230+ free online utilities

OceanofTools — your ocean of tools for everyday digital tasks.

PDF, image, SEO, developer, text, device, calculator and resume tools — organized in one fast, privacy-conscious toolkit built to work beautifully on desktop and mobile.

Fast in-browser tools No forced signup Community ratings
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Explore the toolkit

Choose a category and get straight to the tool you need.

Every category below is designed as a focused workspace rather than a crowded directory. Tool cards include a short explanation so you can pick the right utility before opening it.

Device Tools

Test your device, browser, network, display, privacy, permissions and hardware capabilities

View all Device Tools
Full System Info View detailed information about your browser, operating system, display, hardware, storage and network.
Browser Fingerprint Analyze the browser signals websites may use for fingerprinting, including canvas, fonts, WebGL and locale.
IP Address Checker Check your public IPv4 or IPv6 address, ISP, ASN, network range, timezone and approximate location.
IP & Device Location Find your approximate IP location or use browser permission to detect your device location and accuracy.
Camera & Mic Test Test your webcam and microphone, inspect resolution and audio levels, take snapshots and record a short sample.
ISP & ASN Lookup Look up an IP address or ASN to find its internet provider, organization, registry and announced network information.
WebRTC Privacy Test Check whether WebRTC exposes additional public, private, IPv6 or local network addresses in your browser.
WHOIS & RDAP Lookup Find domain registrar, registration dates, expiry information, domain statuses, DNSSEC and name servers.
Screen Test Tools Test dead pixels, colors, gradients, text sharpness, motion, ghosting and approximate display refresh rate.
Battery Status Checker Check battery level, charging status and estimated charging or discharging time when supported by your browser.
WebGL & GPU Checker Inspect your browser's WebGL support, graphics renderer, extensions, texture limits and GPU-related capabilities.
Browser Feature Checker Check support for modern browser features including WebRTC, WebGL, storage, notifications, workers and media APIs.
Timezone & Locale Detector Detect your timezone, locale, language, date formats, numbering system and regional browser preferences.
Storage & Cookie Tester Test cookies, local storage, session storage, IndexedDB and browser storage availability.
Touchscreen & Pointer Test Test touchscreen support, pointer type, pressure, coordinates, multi-touch capability and input events.
Device Sensor Tester Test motion and orientation sensors such as acceleration, rotation and device direction where supported.
Speaker & Stereo Test Test your left and right speakers using stereo channels, frequencies and generated audio tones.
User Agent Parser Analyze a browser user-agent string to identify the browser, rendering engine, operating system and device type.
Network Connection Analyzer Inspect browser-reported connection type, estimated speed, latency, data-saving mode and online status.
Clipboard Permission Tester Check clipboard API support and safely test browser permission for reading and writing clipboard content.
Geolocation Permission Tester Check location permission status and test whether your browser can securely access device coordinates.

Image Tools

Edit, enhance, protect, combine, and transform images directly in your browser

View all Image Tools
Add Text On Image Overlay custom captions and text onto your photos.
Ultimate Photo Filters Online Apply professional artistic filters to your images.
Signature Maker Create and download your digital signature.
Sharpen Image Tool Enhance image clarity and remove blurriness.
Blur Image Tool Apply a blur effect to hide details in images.
Adjust Image Saturation Tool Increase or decrease color intensity in your photos.
Adjust Image Hue Tool Shift color tones to change the mood of your image.
Image Format Converter Convert images between JPG, PNG, WEBP, and more.
Image Pixelation And Blur Tool Censor sensitive parts of an image with pixelation.
Advanced Image Editor Crop, resize, and adjust your images online.
Rainbow Effect Tool Add a colorful rainbow overlay to your photos.
Passport Size Image Maker Create standard passport ID photos instantly.
Watermark On Image Protect your work by adding a logo or text watermark.
Enhanced Image Resizer Tool Resize images without losing quality.
Image Metadata Reader And Editor View and edit EXIF data hidden in your photos.
Image Upscaler Increase image resolution using AI enhancement.
Image to Pencil Sketch Turn a photograph into a clean black-and-white pencil drawing with adjustable detail, shading and contrast.
Pixel Art Converter Transform photos into retro 8-bit pixel art with controllable block size, color count and optional dithering.
Oil Painting Filter Apply adjustable digital brush-stroke and color-banding effects for a classic oil-painted appearance.
Duotone Generator Map image shadows and highlights to two custom colors for modern poster and Spotify-style graphics.
Glitch Effect Generator Create cyberpunk image distortion with RGB channel shifts, displaced slices, noise and scan lines.
Color Palette Extractor Analyze an uploaded image and extract its most dominant colors as copyable HEX, RGB and CSS values.
Color Picker from Image Click any pixel in an uploaded image to inspect its exact HEX, RGB and HSL color values.
Image Colorizer Add adaptive, realistic-looking color tones to black-and-white photos with local automatic color mapping controls.
Blur Background Keep a person sharp while blurring the background with browser-based subject segmentation and a manual fallback.
Image Texturizer Overlay procedural grain, paper, dust, scratches or light leaks on clean images with blend controls.
Photo Collage Maker Arrange multiple photographs in clean grid, strip and featured-image collage layouts.
Image Splitter / Grid Maker Cut one image into equal rows and columns and download every tile in a ZIP archive.
Before and After Slider Compare two images with an interactive draggable divider and export a self-contained comparison widget.
Round Corners Round image corners with adjustable radius, optional border and a transparent PNG background.
Add Border / Frame Add adjustable solid, double, gradient, shadow or Polaroid-style frames around photographs.
EXIF Data Viewer Inspect embedded camera, lens, exposure, date, software and GPS metadata in image files.
EXIF Data Remover Remove hidden camera and location metadata by safely re-encoding an image before sharing it.
Blur Faces / Privacy Mask Automatically detect faces when supported or manually draw blur and pixelation masks over sensitive areas.
Photo Restorer Reduce grain, improve faded contrast, soften small scratches and sharpen old photographs with local restoration controls.
Image Variation Generator Create three privacy-friendly visual variations using intelligent crops, tonal changes and detail treatments.
Vectorizer (Image to SVG) Trace flat logos, icons and illustrations into scalable SVG paths with color and smoothing controls.

PDF Tools

Compress, organize, unlock, and convert documents privately in your browser

View all PDF Tools
Compress PDFReduce PDF file size with quality, DPI, grayscale, and lossless controls.
Merge PDFCombine multiple PDFs, select page ranges, reorder files, and rotate pages.
Split PDFExtract pages, split every page, or create custom PDF groups in a ZIP file.
Unlock PDFUse the current password to create an unprotected copy of your PDF.
JPG to PDFArrange JPG photos and combine them into one downloadable PDF.
PNG to PDFTurn PNG graphics, scans, and screenshots into a PDF document.
PDF to JPG, PNG or WebPExport selected PDF pages as high-quality image files.
Word to PDFConvert DOCX headings, tables, lists, and images into a printable PDF.
PDF to WordCreate an editable or visually preserved DOCX from a PDF.
Excel to PDFRender selected spreadsheet sheets as clean, printable PDF tables.
PDF to ExcelExtract selectable PDF text and inferred tables into an XLSX workbook.
PowerPoint to PDFRender standard PPTX slides as shareable PDF pages.
PDF to PNGSave selected PDF pages as high-quality PNG images or download them together in a ZIP.
PDF to PowerPointTurn every PDF page into a presentation slide for easy sharing and editing.
HTML to PDFConvert pasted HTML, an uploaded HTML file, or a public webpage URL into PDF.
TXT to PDFFormat plain text notes or TXT files as a clean, printable PDF document.
Delete PDF PagesSelect and permanently remove unwanted pages from an existing PDF.
Extract PDF PagesPull selected pages from a PDF and save them as a separate document.
Reorder PDF PagesDrag and drop page thumbnails to arrange them in the correct sequence.
Rotate PDFRotate selected sideways or upside-down PDF pages to the correct angle.
Protect PDFAdd a password and permission restrictions to protect sensitive documents.
Add PDF WatermarkPlace custom text or a logo watermark over selected PDF pages.
Add Page NumbersStamp automatic page numbers with custom position, size, and number format.
Sign PDFDraw or upload a signature and place it precisely on your PDF pages.
Edit PDFAdd text, shapes, lines, and freehand drawings over an existing PDF.
OCR PDFRecognize text in scanned PDFs and images so it can be searched and copied.
Crop PDFTrim outside margins and remove unwanted blank borders from PDF pages.
Grayscale PDFConvert color PDF pages to black and white for simpler, ink-saving printing.
Bates NumberingAdd sequential identification numbers to legal and business PDF documents.
Compare PDFCompare two PDF versions and highlight added, removed, or changed text.
AI PDF SummarizerSummarize long PDFs and ask document-based questions without uploading the file.

Resume Builder & Templates

Build an ATS-friendly resume with live preview, autosave, and free PDF export

View all Resume Tools
RecommendedAdvanced Resume BuilderCreate, customize, autosave, restore, and export a professional resume without signup or a watermark.
Classic ResumeA clear, traditional layout suitable for most industries and ATS systems.
Minimal ResumeA simple, distraction-free template focused on experience and skills.
Executive ResumeA polished leadership-focused design for senior and management roles.
Modern ResumeA contemporary layout with strong hierarchy and a balanced sidebar.
Creative ResumeA distinctive template for design, media, content, and creative careers.
Compact ResumeFit more relevant information into a concise, space-efficient layout.
Professional ResumeA versatile business template for corporate and client-facing roles.
Elegant ResumeA refined design with graceful typography and clean visual spacing.
Bold ResumeA high-impact template with confident headings and strong contrast.

Mathematical Tools

Powerful online calculators for arithmetic, algebra, geometry, statistics, finance, percentages, ratios, equations, and more.

View all Calculators
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Basic Calculator Add, subtract, multiply, divide, calculate powers, and find remainders.
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Scientific Calculator Calculate trigonometric, logarithmic, exponential, and root functions.
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Advanced Area Calculator Calculate the area of different geometric shapes quickly and accurately.
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Logarithm & Exponential Calculator Calculate logarithmic, natural log, power, and exponential values.
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Percentage Calculator Find percentages and calculate percentage increases or decreases.
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Trigonometric Calculator Calculate sine, cosine, tangent, and other trigonometric functions.
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Unit Calculator Convert between different length, weight, temperature, and measurement units.
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Volume & Surface Area Calculator Find the volume and surface area of common three-dimensional objects.
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Fraction Calculator Add, subtract, multiply, divide, and simplify fractions.
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Ratio & Proportion Calculator Simplify ratios and solve missing values in equivalent proportions.
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Average, Median & Mode Calculator Find mean, median, mode, sum, count, minimum, maximum, and range.
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Prime Number Checker Check whether a whole number is prime and view all its factors.
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Factors & Multiples Calculator List all factors and the first ten multiples of a number.
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GCD & LCM Calculator Find the greatest common divisor and least common multiple.
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Linear Equation Solver Solve one-variable linear equations in the form ax + b = 0.
x²
Quadratic Equation Solver Solve quadratic equations and calculate their discriminant and roots.
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Simultaneous Equations Solver Solve two linear equations with two unknown variables.
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Power & Root Calculator Calculate powers, square roots, cube roots, and custom nth roots.
n!
Factorial, Permutation & Combination Calculate factorial, permutation nPr, and combination nCr values.
1,2,3
Sequence & Series Calculator Find the nth term and sum of arithmetic or geometric sequences.
σ
Standard Deviation Calculator Calculate mean, variance, population deviation, and sample deviation.
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Probability Calculator Calculate event probability, percentage, and odds in favor.
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Simple Interest Calculator Calculate simple interest and total amount using principal, rate, and time.
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Compound Interest Calculator Calculate compound interest with adjustable compounding frequency.
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Loan EMI Calculator Estimate monthly EMI, total loan repayment, and total interest.
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Discount & Tax Calculator Find discount savings, tax amount, and the final payable price.
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Profit Margin Calculator Calculate profit, selling margin, and markup percentage.
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Speed, Distance & Time Calculator Enter any two values to calculate speed, distance, or time.
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Pythagorean Theorem Calculator Find the missing side of a right triangle using a² + b² = c².
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Coordinate Geometry Calculator Find distance, midpoint, and slope between two coordinate points.
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Circle Calculator Calculate a circle's area, circumference, diameter, and radius.
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Triangle Calculator Calculate triangle area, perimeter, and angles from side lengths.
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2×2 Matrix Calculator Calculate the determinant and inverse of a 2×2 matrix.

Text Tools

Transform and analyze your text content

View all Text Tools
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random_word_adder Add random words to your text with multiple insertion modes.
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Text Accent Converter & Remover Remove accents, normalize text, or add accents for French, Spanish, German, and Portuguese.
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Advanced Number List Calculator Add Subtract Multiply Numbers | Free Math Tool.
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Line Break Tool Add Line Breaks at Specific Intervals.
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Remove Line Breaks Tool Remove or replace all line breaks, flatten text, delete empty lines.
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Remove Lines Containing Words Tool remove lines containing specific words or phrase.
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Space Remover Tool Remove Spaces Online | Extra Spaces, Line Breaks, All Spaces
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HTML to Plain Text Converter Easily remove all HTML tags and extract clean plain text from your HTML code.
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Sitemap Generator Crawl Website & Generate XML/HTML Sitemaps.
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Extract Columns from CSV/TSV Effortlessly extract specific columns from CSV, TSV, or tabular data.
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Emoji Remover Tool Remove All Emojis from Text — OceanofTools
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Text Cleaner & Formatter text cleaner tool to remove hidden characters, formatting marks, and invisible symbols.
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text difference checker Compare two texts side by side or line by line to identify additions, deletions, and modifications instantly.
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Duplicate Line Remover Remove Duplicate Lines Online Tool | Clean Text Data
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Date Calculator Calculate Days, Months, Years | Time Duration Tool
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Duplicate Word Finder Free Online Duplicate Text Detection Tool.
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Text to Octal Converter Convert text to octal instantly.
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Octal to Text Converter Convert octal ASCII values to readable text instantly.
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Octal to Binary Converter Convert octal numbers to binary instantly.
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Binary to Octal Converter Convert binary to octal instantly.
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Octal to Hexadecimal Converter Convert octal numbers to hex instantly.
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Hexadecimal to Octal Converter Convert hex to octal number instantly.
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Text to Binary Code Converter Convert text to binary code instantly.
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Binary Code to Text Converter Convert text to binary code instantly.
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Encode and Decode Base64 Tool Encode text to Base64 and decode Base64 to text instantly.
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Text to url slug Converter Create SEO-friendly URL slugs instantly.
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Encode and Decode Text to Url Encode text to URL-safe format and decode URL-encoded strings instantly.
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Encode and Decode html string Encode text to HTML entities and decode HTML-encoded strings instantly.
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Draw box around text Tool Draw beautiful boxes around your text with various border styles.
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Zig Zag Text Converter Free zigzag text converter and ASCII wave pattern generator.
𝓑
Consonent Removal Tool Remove Consonants from Text Online
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Vowel Removal Tool Free online tool to remove vowels from text.
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Text highlighter Tool Highlight words, sentences, and phrases with 16 customizable styles and colors.
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Decimal to Text Converter Convert decimal ASCII codes to text and text to decimal instantly.
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Text to Decimal Converter Convert decimal ASCII codes to text and text to decimal instantly.
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HTML Beautifier Tool Format & Pretty Print HTML Code.
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Text to Hexadecimal Converter Convert hexadecimal to text and text to hexadecimal instantly.
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Hexadecimal to Text Converter Convert hexadecimal to text and text to hexadecimal instantly.
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Add Prefix and Suffix Quickly add prefixes or suffixes to every line of text.
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Case Converter Convert text between uppercase, lowercase, title case, and more.
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Replace Special Character Find and replace special characters in text instantly.
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Special Character Inserter Instantly add special symbols, emojis, Unicode, arrows, math, currency, and more to your text.
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Encrypt Text Encrypt and decrypt your text using online encryption tools.
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Replace Text Replace words or phrases across large text blocks easily.
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QR & Bar Code Generator Generate QR codes and barcodes from text or URLs instantly.
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QR & Barcode Reader Instantly scan QR codes and barcodes using your camera or upload an image—no app required.
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JSON to Text Converter Convert JSON data into clean, readable text format.
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Reverse & Unreverse Text Reverse or flip your text with one click.
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Sort List Tool Sort lines alphabetically or numerically in ascending/descending order.
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Text Joiner Tool Join Multiple Lines Online | Comma, Space, Custom Separator.
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Text Justifier Tool Align Text Online | Left, Right, Center, Justify.

Developer Tools

Write, run, test, validate, format and improve front-end code directly in your browser

View all Developer Tools
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HTML CSS JavaScript Live EditorWrite code with instant preview, captured console, responsive device widths, health checks and HTML export.
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Online HTML EditorWrite, preview, format and validate HTML instantly.
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Online CSS EditorExperiment with CSS against editable HTML and live preview.
JS
JavaScript PlaygroundRun JavaScript in a sandbox and inspect console output and errors.
❤
Code Health CheckerScore SEO basics, accessibility, responsiveness and code quality.
✓
HTML ValidatorFind common markup, structure and accessibility problems.
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Responsive Design TesterPreview one codebase at phone, tablet, desktop and custom widths.
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Website Code AnalyzerAnalyze pasted code or fetch a public page URL for prioritized front-end findings.
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HTML FormatterBeautify messy HTML into readable markup.
{ }
CSS FormatterFormat CSS rules and declarations for easier review.
JS
JavaScript FormatterMake JavaScript snippets easier to read and debug.
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HTML MinifierRemove comments and unnecessary HTML whitespace.
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CSS MinifierCompress CSS and measure the size reduction.
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JavaScript MinifierConservatively minify front-end JavaScript snippets.
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Meta Tag CheckerInspect title, description, robots, canonical, viewport and social tags.
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Open Graph PreviewPreview social share cards and generate OG tags.
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Schema Markup TesterValidate JSON-LD syntax and inspect schema types.
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CSS Flexbox PlaygroundLearn Flexbox visually and copy generated CSS.
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CSS Grid PlaygroundBuild grid layouts visually with live controls.
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CSS Gradient GeneratorCreate linear and radial gradients and copy ready-to-use CSS.

SEO Tools

Audit on-page SEO, performance, crawlability, structured data, mobile readiness, and essential SEO files

View all SEO Tools
Meta Tag Analyzer Check title tags, meta descriptions, canonical URLs, robots directives, and social metadata.
Heading Structure Checker Review H1–H6 order and find missing, duplicated, empty, or skipped heading levels.
Image Alt Text Auditor Find images with missing, empty, generic, duplicated, or filename-like alt text.
URL Structure Optimizer Check URL length, readability, folders, parameters, separators, and target-keyword use.
Keyword Density Checker Calculate keyword frequency, approximate density, prominence, and phrase distribution.
Page Speed Analyzer Review server response, page weight, resources, caching, compression, and performance risks.
Core Web Vitals Checker Check LCP, INP, CLS, FCP, and TTFB when performance data is available.
Robots.txt Tester Test crawler access rules, syntax, sitemap directives, and allowed or blocked paths.
XML Sitemap Validator Validate sitemap XML, namespaces, URLs, duplicates, lastmod dates, and sample responses.
SSL Security Checker Inspect HTTPS availability, certificate validity, issuer, hostname coverage, and expiry.
Broken Link Finder Scan webpage links and identify redirects, 404 errors, server failures, and connection problems.
Redirect Chain Detector Trace redirect hops to find long chains, temporary redirects, loops, and HTTPS issues.
Canonical Tag Checker Check canonical presence, uniqueness, validity, destination status, and redirect consistency.
Internal Link Analyzer Map internal links, anchors, nofollow attributes, fragments, and destination distribution.
Mobile Usability Tester Find viewport, fixed-width, small-text, wide-table, and responsive-image risks.
Structured Data / Schema Validator Extract JSON-LD, validate syntax, inspect schema types, and flag missing properties.
AI Search Visibility Checker Audit crawlability, semantic structure, answer-ready content, authorship, citations, and freshness.
Meta Tag Generator Generate title, description, canonical, robots, Open Graph, and Twitter metadata.
Robots.txt Generator Create robots.txt rules with user agents, allow/disallow paths, and sitemap directives.
XML Sitemap Generator Build and download sitemap.xml from a URL list or a limited website crawl.
Sitemap URL Extractor Extract, deduplicate, filter, copy, and export URLs from XML sitemap files.

Misc Tools

Work with miscellaneous utility tools

View all Misc Tools
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Color Toolkit Explore color pickers, palettes, and format converters.
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Palindrome Generator Tool Create and check palindromic words and phrases.
Community rating Rate this page Loading community rating…
Practical learning

Understand the workflow, not just the button

Use our editorial guides to choose the right operation, understand limitations and verify the result before you rely on it.

Browse all guides →
Reduce PDF size without ruining readabilityPDF workflow · compression checks Blur sensitive information before sharingImage privacy · verification workflow WebP vs JPEG vs PNGImage workflow · format decisions Robots.txt vs noindexTechnical SEO · indexing control Core Web Vitals audit workflowPerformance · LCP, INP and CLS Check calculator results properlyMath skills · units and rounding

About OceanofTools

Your ultimate destination for free online tools and device testing utilities. We empower users with powerful, easy-to-use tools that make digital tasks effortless.

200+ Free Tools
9 Tool Categories
100% Free Forever

Our Mission

At OceanofTools, we believe that everyone should have access to powerful digital tools without barriers. Our mission is to provide a comprehensive suite of free, user-friendly online utilities that help users test their devices, optimize content, analyze performance, and boost productivity. We're committed to building tools that are fast, reliable, and accessible to everyone—from developers and designers to marketers and everyday users.

What Makes Us Special

Lightning Fast

All tools are optimized for speed and performance, delivering instant results without any delays.

Privacy-Conscious

Many tools process data locally. Features that fetch websites or need server support clearly use a remote request.

Mobile Friendly

Use our tools seamlessly on any device—desktop, tablet, or smartphone. Fully responsive design.

No Limits

Use any tool as many times as you need. No registration, no subscriptions, no hidden fees ever.

Always Updated

We continuously improve and add new tools based on user feedback and emerging technology trends.

User First

Built by developers for everyone. We prioritize user experience and simplicity in every tool we create.

Why Choose OceanofTools?

Comprehensive Toolkit

Over 230 practical tools covering PDF work, image editing, developer workflows, text manipulation, SEO analysis, device testing, resume building, and mathematical calculations—all in one place.

Instant Results

No waiting, no processing delays. Get immediate results with our optimized algorithms and client-side processing technology.

Privacy Protected

Many text, image, PDF and device tools work locally in your browser. Server-assisted tools are identified so you can make an informed choice.

Accessible Anywhere

No downloads or installations required. Access all tools directly from your browser, anytime, anywhere in the world.

Professional Quality

Enterprise-grade tools built with modern technology, offering professional results without the enterprise price tag.

Community Driven

We listen to our users. New tools and features are added based on community requests and feedback.

Explore Our Tool Categories

📱
Device Tools
21+
🖼️
Image Tools
37
🔢
Math Tools
31
✍️
Text Tools
55+
📊
SEO Tools
21
📑
PDF Tools
31
📜
Resume Templates
10
💻
Developer Tools
20
🎨
Misc Tools
7+
Official brand name

Looking for “Ocean of Tool” or “Ocean of Tools”?

The official name of this website is OceanofTools. People sometimes search for the brand as “Ocean of Tools”, “Ocean of Tool” or “OceanofTool”. These searches refer to the same toolkit at oceanoftools.in.

⌂All Tools ◫Device ◩Images ▤PDF ▧Resume ∑Math AaText ↗SEO </>Code ◇Misc