137 tools available — all free, all run in your browser.
Combine multiple PDF files into one document
Split a PDF into multiple files by page range or individual pages
Reduce PDF file size while maintaining quality
Rotate PDF pages by 90, 180, or 270 degrees
Add text or image watermarks to PDF pages
Convert PDF pages to PNG or JPEG images
Combine multiple images into a single PDF document
Protect PDF files with password encryption
Remove password protection from encrypted PDF files
Add page numbers to PDF documents with customizable position and format
Extract all text content from PDF documents
View and edit PDF document properties like title, author, and subject
Add digital signatures or drawn signatures to PDF documents
Flatten PDF form fields and annotations into static content
Compare two PDF documents side by side and highlight differences
Reduce image file size with adjustable quality settings
Resize images to specific dimensions or by percentage
Crop images to a selected area or aspect ratio
Convert images between PNG, JPEG, WebP, and other formats
Apply visual filters like grayscale, sepia, invert, and more to images
Rotate images by any angle with optional auto-crop
Flip images horizontally or vertically
Add text or image watermarks to photos and graphics
Automatically remove backgrounds from images using AI
Adjust brightness, contrast, saturation, and hue of images
View and extract EXIF metadata from photos including camera and GPS data
Generate favicons in multiple sizes from a source image
Convert images to Base64 encoded strings for embedding in code
Enlarge images while preserving quality using smart interpolation
Create photo collages with customizable layouts and spacing
Count words, characters, sentences, and paragraphs in text
Convert text between uppercase, lowercase, title case, camelCase, and more
Generate placeholder text in paragraphs, sentences, or words
Compare two text blocks and highlight additions, deletions, and changes
Write and preview Markdown with live rendering
Convert numbers to their word form for checks, invoices, and legal documents. Supports cardinal, ordinal, and currency formats in English and Indian systems.
Analyze text readability with 6 scoring systems: Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG, Coleman-Liau, and ARI.
Format, validate, and beautify JSON data with syntax highlighting
Encode text to Base64 or decode Base64 back to text
Encode or decode URL-encoded strings and query parameters
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files
Generate random UUIDs (v4) and other UUID versions
Test and debug regular expressions with live matching and group highlighting
Decode and inspect JSON Web Token headers, payloads, and signatures
Parse and explain cron expressions with next run time predictions
Convert colors between HEX, RGB, HSL, and CMYK formats
Convert between Unix timestamps and human-readable date formats
Format and beautify SQL queries with proper indentation
Convert YAML data to JSON format
Convert JSON data to YAML format
Convert CSV spreadsheet data to JSON format
Generate QR codes from text, URLs, or other data
Generate barcodes in various formats including Code128, EAN, and UPC
Generate robots.txt files for controlling search engine crawlers
Calculate monthly EMI, total interest, and amortization schedule for loans
Calculate returns on Systematic Investment Plan contributions
Calculate compound interest with customizable compounding frequency
Calculate GST amounts for inclusive and exclusive pricing
Convert between world currencies using live exchange rates
Calculate tip amounts and split bills among multiple people
Calculate percentages instantly: X% of Y, percentage change, increase/decrease, and reverse base-value calculations
Calculate return on investment percentage and net profit
Convert between hourly, monthly, and annual salary with tax estimates
Estimate income tax based on slabs and deductions
Calculate monthly mortgage payments, total interest, and amortization
Calculate break-even point in units and revenue from fixed costs, variable costs, and selling price
Calculate your net worth by summing assets and subtracting liabilities with custom categories
Project dividend income from stock holdings with DRIP reinvestment compounding projections
Calculate Body Mass Index with health category, ideal weight range, and BMI Prime. Supports metric and imperial units.
Generate strong random passwords with customizable length and character types
Analyze password strength and provide improvement suggestions
Calculate and verify file checksums using MD5, SHA-1, and SHA-256
Encrypt and decrypt text with a password using AES-256-GCM. Output is base64. All processing runs in your browser.
Check SSL certificate details, expiration, and validity for any domain
Verify JWT token signatures and validate claims and expiration
Generate time-based one-time passwords for two-factor authentication
Extract text from images, photos, and scanned documents using AI-powered OCR
Convert Markdown documents to beautifully formatted PDF files with syntax highlighting
Convert between Excel, CSV, JSON, and TSV formats. View and edit spreadsheet data in the browser
Format and beautify JavaScript, TypeScript, CSS, HTML, JSON, and more using Prettier
Minify JavaScript, CSS, and HTML files to reduce file size. Shows exact bytes saved.
Create professional invoices and export to PDF. Free, no signup, no data sent to servers.
Transcribe audio files to text using OpenAI Whisper running entirely in your browser
Extract dominant colors from any image to create beautiful color palettes
Convert SVG files to PNG or WebP at any resolution. Scale vector graphics to any size.
Convert between JSON, CSV, and Excel formats instantly in your browser
Calculate your exact age in years, months, days, hours, and minutes. See next birthday countdown, zodiac sign, and milestone ages.
Create beautiful CSS linear, radial, and conic gradients visually with live preview and copy-ready CSS
Find your public IP address and geolocation details including country, city, ISP, and timezone. Look up any IPv4 or IPv6 address instantly.
Convert text to speech instantly in your browser using built-in voices. Choose language, voice, speed, and pitch. No uploads, works offline.
Convert length, weight, temperature, speed, area, volume, data storage, number base, and Roman numerals — all in one tool
Compress, convert, extract audio, trim, resize, rotate, mute, change speed, and extract frames from videos — all in-browser
Trim, merge, convert, reverse, adjust volume, change speed, fade in/out, and remove silence from audio files — all in-browser
Find & replace, sort lines, remove duplicates, extract emails/URLs, generate slugs, count characters, convert HTML↔text — all in one
Strip hidden metadata from PDFs, Word documents, images, and audio files — author name, GPS coordinates, creation dates, revision history
Rename hundreds of files at once using patterns — add prefix/suffix, find & replace, sequential numbering, date from EXIF. Download as ZIP.
Extract text from images and PDFs with AI. Receipt mode outputs structured CSV/JSON (items, totals, dates). Table mode extracts tables to CSV.
Sharpen, blur, reduce noise, and analyze histograms for images — all in-browser with Canvas API. No upload required.
Live world clocks for 40+ cities, meeting overlap finder, and timezone converter. DST-aware, works offline.
Inspect HTTP response headers for any URL. Check security headers, cache settings, HTTPS redirect, and server info.
Sentiment analysis, language detection, toxicity check, named entity recognition, and keyword extraction — all running in your browser with small AI models.
Fix grammar, spelling, punctuation and rewrite text tone with AI — formal, casual, simpler, or expanded
Complete HTTP status code reference — all 1xx, 2xx, 3xx, 4xx, 5xx codes with descriptions and real-world examples
Calculate how long to pay off your credit card and total interest paid. Compare your payment vs minimum payment
Calculate how inflation has changed the value of money over time. Historical CPI data for US and India
Plan your monthly budget using the 50/30/20 rule. Track needs, wants, and savings with a live donut chart
Preview how your website looks when shared on Twitter, Facebook, and LinkedIn. Full meta tag audit
Upload any UI screenshot and get HTML+CSS or React+Tailwind code instantly. Powered by vision AI
Build a professional resume with live preview. 3 templates, all sections toggleable, download as PDF, DOCX, or TXT. Saves to browser.
Create passport and ID photos for US, UK, India, EU, Canada, Australia. Drag-to-crop, AI background removal, 300 DPI print sheet. Free, no upload.
Test your microphone, webcam, and speakers before video calls. Real-time mic level meter, waveform, camera FPS & resolution, speaker tone test, multi-device switcher.
Generate full recipes from ingredients you have. Filter by diet, cuisine, and time. Live servings scaler, nutrition estimates, print-ready cards, save to browser.
Calculate straight-line distance between two or more locations on an interactive map. Add waypoints, see total path distance in km and miles.
Convert GPS coordinates between Decimal Degrees, DMS, Degrees Decimal Minutes, and Geohash. Reverse geocode to address. Pin on interactive map.
Draw a radius circle on any location on the map. Adjust from 1 to 500 km. Shows coverage area in km² and miles². Click map to move center.
Paste or upload a GeoJSON file to visualize features on an interactive map. Color-coded geometry types, click features to inspect properties.
Turn videos or photos into platform-ready social media content. Auto-crop to Instagram, TikTok, Twitter, and LinkedIn formats. AI-generated captions for each platform. All processing runs in your browser.
Compare debt snowball vs avalanche strategies. See payoff timeline, total interest saved, and monthly payment plan.
Calculate your Financial Independence Retire Early number. See years to FIRE, portfolio projections, and Lean/Fat FIRE variants.
Generate tailored cover letters instantly. Paste the job description and your resume highlights — get a professional cover letter in seconds.
Analyze any webpage meta tags. Check title, description, Open Graph, Twitter Cards, and get SEO improvement tips.
Check WCAG AA and AAA color contrast ratios. Instantly see if your text and background colors meet accessibility standards.
Generate .gitignore files for any project type. Select your languages, frameworks, and IDEs to get a complete .gitignore instantly.
Encode and decode HTML entities instantly. Convert special characters to HTML entities and back.
Decode and inspect SSL/TLS certificates. Paste a PEM certificate to see issuer, validity, SANs, and all fields.
Track your stock portfolio manually. Add holdings, see allocation breakdown, total value, and gain/loss.
Redact sensitive information from PDFs. Draw black boxes over text and images to permanently hide them. Browser-based, no uploads.
Compare multiple loans side-by-side. See total cost, monthly payments, amortization charts, and break-even for refinancing.
Analyze your email HTML for spam triggers, image-to-text ratio, missing unsubscribe links, and deliverability issues. Free alternative to Litmus.
Paste a job description and your resume to find missing keywords, skills gaps, and get AI-powered rewrite suggestions. Beat ATS filters.
Paste HTML to audit for WCAG 2.1 accessibility issues — missing alt text, heading hierarchy, form labels, ARIA, contrast. Export PDF report.
Validate and visualize docker-compose.yml files. Detect syntax errors, port conflicts, dependency issues, and get best practice suggestions.
Generate production-ready Nginx server blocks visually. Supports reverse proxy, SSL, rate limiting, CORS, gzip, caching, and more.
Validate OpenAPI 3.x and Swagger 2.0 specs. See errors with line numbers, browse endpoints, and export validation reports. Browser-only.
Visual Linux file permissions builder. Click to set read/write/execute for owner/group/other. Shows numeric and symbolic notation with explanations.
Generate ~/.ssh/config entries visually. Supports hostname, user, port, identity file, ProxyJump, KeepAlive, and all common options.
Enter a cron expression to see a visual timeline of the next 30 runs. Human-readable descriptions, edge case testing, timezone support.