Browse 96 free browser-based tools for PDF editing, text analysis, image conversion, Base64 encoding, JSON formatting, password generation, SEO optimization, and more. No signup or installation required.
Calculate exact age in years, months, days with next birthday countdown.
Calculate aspect ratio from dimensions or find a missing dimension from a known ratio.
Remove image background in-browser using WASM/ONNX model processing.
Encode text to Base64 or decode Base64 back to text.
Calculate Body Mass Index with metric/imperial support and visual category gauge.
Real-time character count with platform targeting, trim-to-limit, and social media indicators.
Check WCAG accessibility compliance for text and background color combinations.
Generate harmonious 5-color palettes with HEX and RGB values using color theory principles.
Pick any color from an uploaded image, extract dominant colors, and copy HEX, RGB, or HSL values.
Calculate compound interest with optional monthly contributions and year-by-year breakdown.
Compress JPG, PNG, or WebP images with adjustable quality, format conversion, and side-by-side preview.
Reduce PDF file size online while preserving all pages and content quality.
Countdown to any future date and time with days, hours, minutes, and seconds display.
Parse and explain cron expressions in plain English with next scheduled run times.
Generate linear, radial, and conic CSS gradients with live preview and one-click copy.
Convert CSV data to a JSON array of objects instantly with proper quoted-field handling.
Calculate the exact difference between two dates in years, months, weeks, days, hours, and minutes.
Compare two texts side by side with highlighted differences.
Calculate final price and savings from original price and discount percentage.
Remove duplicate lines from text instantly with optional alphabetical sorting.
Draw or type a signature and embed it into a PDF document — all in your browser.
View EXIF metadata from any photo — camera model, GPS, settings, and more — right in your browser.
Generate favicons from text, emoji, or an uploaded image. Customize shape, colors, and padding. Download individual PNGs or all sizes as a ZIP.
Flip a virtual coin with 3D animation, running stats, history, and best-of rounds.
Create animated GIFs from images or video clips directly in your browser.
Calculate unweighted and weighted GPA with course-by-course breakdown.
Generate SHA-1, SHA-256, and SHA-512 hashes from any text with real-time updates.
Convert HEIC/HEIF photos to JPG directly in your browser.
Convert HEX color codes to RGB and RGB to HEX with live color preview.
Convert special characters to HTML entities and decode entities back to characters.
Crop images with social media presets for Instagram, YouTube, LinkedIn, Facebook, and X/Twitter.
Convert images between PNG, JPG, and WebP formats instantly in your browser.
Extract text from images using OCR directly in your browser.
Resize images to exact dimensions and compress with quality controls and format conversion.
Convert any image to a Base64-encoded data URI string for embedding in HTML, CSS, or code.
Add text watermarks to photos with custom position, opacity, size, color, rotation, and tile mode.
Measure download, upload, and ping using browser-based network tests.
Create professional invoices with line items, taxes, and download as PDF — free, no signup.
Convert JPG, PNG, and WebP images into a single PDF document with custom page order.
Format, prettify, minify, and validate JSON with descriptive syntax error feedback.
Convert a JSON array of objects to CSV format with nested field flattening and instant preview.
Decode JWT tokens to view header and payload as formatted JSON.
Analyze keyword frequency and density in your content to optimize for SEO.
Calculate monthly payments, total interest, and view amortization summary.
Generate placeholder text by paragraphs, sentences, or words with configurable options.
Write Markdown on the left, see rendered HTML preview on the right.
Combine multiple PDF files into a single PDF in your preferred order.
Generate HTML meta tags, Open Graph tags, and Twitter Cards for better SEO and social sharing.
Translate text to Morse code and decode Morse code back to text instantly.
Convert numbers between Binary, Octal, Decimal, and Hexadecimal with live updates.
Precise stopwatch with lap tracking and per-lap split times.
Countdown timer with presets, custom time, progress ring, and audio alert.
Generate strong passwords with configurable length and character types.
Extract table-like rows from PDF files and export to .xlsx or .csv spreadsheets.
Convert PDF pages into high-quality JPG images with adjustable resolution and quality.
Extract text from PDF files and export as an editable .docx Word document.
Calculate percentages with three modes: X% of Y, X is what % of Y, and percentage change.
Edit photos in your browser — adjust brightness, contrast, saturation, apply filters, rotate, and flip.
Focus timer with work/break intervals, session tracking, and customizable durations.
Generate customizable QR codes for URL, text, email, phone, SMS, and Wi-Fi with PNG/SVG export.
Paste a list of names and instantly draw a random winner. Perfect for raffles, classrooms, and giveaways.
Generate cryptographically secure random integers with custom range, count, and no-duplicate option — ideal for lottery picks, giveaways, dice rolls, and sampling.
Analyze text readability with Flesch-Kincaid, Gunning Fog, and other industry-standard scores.
Test regex patterns with real-time match highlighting and capture group display.
Strip extra whitespace from text, leaving single spaces between words.
Remove line breaks and join text lines with a custom separator like commas or spaces.
Build a professional resume with a live preview and download as PDF — free, no account needed.
Reverse text by characters, words, or lines instantly with Unicode support.
Build and download a robots.txt file with presets for Allow All, Block All, AI bots, and WordPress.
Convert between Arabic numbers and Roman numerals with a step-by-step breakdown.
Generate valid JSON-LD structured data for Organization, FAQPage, and Article schemas.
Preview how your page will appear in Google search results on desktop and mobile.
Generate XML sitemaps from URLs or paths to improve search engine crawlability.
Spin a customizable wheel to pick a random winner from your list of options.
Extract specific pages or ranges from a PDF into a new document.
Convert SVG files to PNG with custom scale, dimensions, and background color. 100% browser-based.
Convert text between six formats instantly: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, and snake_case — for writing, editing, and naming code identifiers.
Sort lines of text alphabetically with reverse order and case-insensitive options.
Convert text to binary code and decode binary back to text. Also shows hex and decimal.
Convert any text to a clean, URL-friendly slug with live preview.
Convert text to speech using your browser's native voices. Adjust speed and pitch.
Convert Unix timestamps to dates and vice versa with live current timestamp display.
Convert a date and time to all major world timezones simultaneously.
Calculate the exact tip, total bill, and per-person split — with tipping percentage guidance for restaurants, delivery, and service industries.
Test your typing speed and accuracy with WPM tracking and real-time character feedback.
Convert length, weight, temperature, speed, area, and volume units instantly.
Encode or decode URL components with percent-encoding and swap workflow.
Generate cryptographically secure v4 UUIDs with bulk generation and one-click copy.
Compress video files in your browser at adjustable quality levels — no upload to any server.
Extract audio from video and download as WAV, MP3, or OGG — 100% browser-based.
Convert WEBP images to PNG or JPG with adjustable quality and image preview.
View your IP address, user agent, browser, platform, and device details instantly.
Count words, characters, sentences, and paragraphs with customizable reading-time estimate.
Analyze word frequency with filters, stop-word exclusion, and copyable results.
Convert .docx Word documents to PDF directly in your browser.
Convert YAML to JSON and JSON to YAML instantly with error highlighting and download.
