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355 free tools for everyday jobs.
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JSON Prettify / Minify Format, validate, and minify JSON SEO Analyzer Full SEO audit: paste one URL for a 0–100 score and prioritized fixes across meta, content, links, images, structured data, social, and security headers Merge PDFs Combine multiple PDF files into one Image Compressor Compress images with adjustable quality HEIC to JPG Converter Convert iPhone HEIC photos to JPG in your browser QR Code Generator Generate QR codes from text or URLs Word / Character Counter Live count of characters, words, sentences, and reading time Mortgage Calculator Estimate monthly payments with taxes, insurance, PMI, and a full amortization schedule Password Generator Generate secure random passwords with crypto API Image Resizer Resize images with aspect ratio lock PDF Compressor Reduce PDF file size in your browser — lossless or strong compression Base64 Encode / Decode Encode and decode Base64 text and files
All 355 tools
Every tool, A–Z within each category.
Data Converters
- CSV → Markdown Table
- CSV → SQL INSERT
- CSV ↔ JSON
- CSV Delimiter Converter
- CSV Viewer
- DBML → SQL + ER Diagram
- Excel → JSON / CSV
- INI ↔ JSON
- JSON → C# Class
- JSON → CSV
- JSON → Go Struct
- JSON → GraphQL Schema
- JSON → Java Class
- JSON → JSDoc Typedefs
- JSON → Kotlin Data Class
- JSON → Pydantic Model
- JSON → Rust (Serde)
- JSON → TypeScript Types
- JSON → Zod Schema
- JSON ↔ Query String
- JSON Diff
- JSON Flattener / Unflattener
- JSON Schema Generator
- JSON Schema Validator
- SQL Explainer
- TOML ↔ JSON
- XML ↔ JSON
- YAML ↔ JSON
Formatters
- CSS Prettify / Minify
- HTML → Markdown
- HTML Prettify / Minify
- HTML Preview
- JavaScript Prettify / Minify
- JSON Prettify / Minify
- JSON Validator
- Markdown → HTML Converter
- Markdown → PDF Converter
- Markdown Preview
- Markdown Table Generator
- Markdown TOC Generator
- NDJSON / JSON Lines Formatter
- SQL Formatter
- XML Prettify / Minify
- YAML Validator
Encoders & Decoders
- AES Encrypt / Decrypt
- Base32 Encode / Decode
- Base58 Encode / Decode
- Base64 Encode / Decode
- CSR Generator
- HTML Entity Encoder / Decoder
- JWT Decoder
- JWT Generator
- Morse Code Translator
- Number Base Converter
- QR Code Scanner
- Roman Numeral Converter
- ROT13 & Caesar Cipher
- Text ↔ Binary
- Text ↔ Hex
- URL Encode / Decode
- X.509 Certificate Decoder
- XOR Cipher
Generators
- .htpasswd Generator
- API Key Generator
- Barcode Generator
- bcrypt Hash & Verify
- BIP39 Mnemonic Generator
- Business Name Generator
- Chart Maker
- Crontab Builder
- Fake Data Generator
- Favicon Generator
- File Checksum Verifier
- Hash Generator
- HMAC Generator
- Invoice Generator
- Lorem Ipsum Generator
- Password Generator
- Password Strength Analyzer
- Placeholder Image Generator
- Printable Paper Generator
- QR Code Generator
- Random Number Generator
- Resume Builder
- RSA / EC Key-Pair Generator
- Sample File Generator
- Signature Generator
- TOTP Generator & Validator
- ULID Generator
- UUID Generator
- WiFi QR Code Generator
Image Tools
- Add Watermark to Image
- App Icon Generator
- App Store Header & Search Image Generator
- App Store Screenshots
- Base64 ↔ Image
- Blur / Pixelate / Redact Image
- Bulk Image Processor
- Camera Shutter Count Checker
- Code to Image
- EXIF Remover
- Font Converter
- GIF Frame Extractor
- GIF Maker (Images → GIF)
- HEIC to JPG Converter
- HEIC to PNG Converter
- Image Color Palette
- Image Color Picker
- Image Compare
- Image Compressor
- Image Cropper
- Image Format Converter
- Image Metadata Viewer
- Image Pipeline
- Image Resizer
- Image to Text (OCR)
- Instagram Grid Splitter
- Meme Generator
- PNG → ICO
- PNG to SVG
- PSD to PNG Converter
- Social Media Image Resizer
- SVG → React Component
- SVG Optimizer
- SVG to PNG
Text Tools
- Aesthetic Text Generator
- ASCII Art Generator
- Case Converter
- Emoji Picker
- Extract Emails & URLs
- Fancy Text Generator
- Find & Replace
- Invisible Character
- Line Sort / Deduplicate
- Mirror & Reverse Text
- NATO Phonetic Alphabet
- Number to Words
- PII Scrubber
- Readability Analyzer
- Regex Library
- Regex Tester
- String Escape / Unescape
- Text Diff
- Text Repeater
- Text to Slug
- Text to Speech
- Unicode Inspector
- Upside-Down Text
- Word / Character Counter
- Zalgo / Glitch Text
Web Utilities
- Browser Fingerprint Inspector
- Countdown Timer
- Cron Expression Parser
- CSP Header Builder
- Date Format Converter
- Design System Extractor
- Duration Calculator
- Epoch Batch Converter
- HAR File Viewer
- HTTP Request Builder
- HTTP Status Code Reference
- Meta Tag Generator
- MIME Type Reference
- OG / Social Card Preview
- OG Image Generator
- Pomodoro Timer
- Stopwatch
- Timestamp Converter
- Timezone Converter
- URL Parser
- Webhook Tester
- WebSocket Tester
- Wheel Spinner
Developer Utilities
- .dockerignore Generator
- .editorconfig Generator
- .gitignore Generator
- .htaccess Generator
- AI Token Counter
- ASCII Table
- Aspect Ratio Calculator
- Bytes / Filesize Converter
- Chmod Calculator
- cURL → Code
- Dependency Vulnerability Scanner
- Docker Run → Compose
- Email Normalizer
- Environment Variable Parser
- JSON Path Finder
- Nginx Redirect Generator
- Package.json Explorer
- robots.txt Generator
- SSH Key Generator
- Tailwind → CSS Converter
- XPath Tester
Network Tools
- DMARC Record Checker & Generator
- DNS Lookup
- DNS Propagation Checker
- Domain Age Checker
- Email Validator
- IP Range / CIDR Expander
- IPv4 Subnet Calculator
- IPv6 Expander / Compressor
- MAC Address Generator
- MAC Address Lookup
- Punycode Converter
- Random Port Generator
- SPF Record Checker & Generator
- User-Agent Parser
- Well-Known Port Reference
- What Is My IP
- WHOIS Lookup
SEO Tools
- Heading Structure Checker
- Hreflang Tag Generator
- HTTP Header Analyzer
- Image SEO Checker
- IndexNow Submitter
- Keyword Density Analyzer
- Link Analyzer
- Meta Tag Analyzer
- Redirect Checker
- Robots.txt Tester
- Schema Markup Generator
- SEO Analyzer
- SEO Report
- Sitemap Generator
- Structured Data Validator
- Technology Detector
- UTM Builder
Everyday Calculators
- Age Calculator
- Aquarium Volume Calculator
- BMI Calculator
- Bread Hydration Calculator
- Cake Pan Size Converter
- Calorie Calculator
- Cocktail Dilution Calculator
- Coffee Ratio Calculator
- Coin Flip
- Dice Roller
- GPA Calculator
- Grade Calculator
- Meat Cooking Time Calculator
- Pallet Loading Calculator
- Photography Contract Generator
- Pizza Dough Calculator
- Pool Volume Calculator
- Propane Usage Calculator
- Rice to Water Ratio Calculator
- Secret Santa Generator
- Sewing Fabric Yardage Calculator
- Shipping Dimensional Weight Calculator
- Sourdough Calculator
- Time Card Calculator
- Turkey Thaw Time Calculator
- Wedding Seating Chart Builder
- Yeast Converter
Construction Calculators
- AC Tonnage Calculator
- Asphalt Driveway Calculator
- Board Foot Calculator
- Concrete Bag Calculator
- Construction Estimate Generator
- Deck Material Calculator
- Drywall Calculator
- Fence Material Calculator
- French Drain Gravel Calculator
- Gravel Calculator
- Gutter Size Calculator
- HVAC BTU Calculator
- Insulation Calculator
- Mulch Calculator
- Paint Calculator
- Paver Calculator
- Pipe Volume Calculator
- Pond Liner Calculator
- Ramp Slope Calculator
- Retaining Wall Block Calculator
- Roof Pitch & Rafter Calculator
- Roofing Shingle Calculator
- Sod Calculator
- Stair Stringer Calculator
- Stud Wall Calculator
- Tile Calculator
- Topsoil Calculator
- Wallpaper Roll Calculator
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Lunchbox Hands is built by one person — no ads, no signups. If a tool saved you some time, a Celsius (my energy drink of choice) keeps them free.Lunchbox Hands is built by one person — no ads, no signups. If a tool saved you some time, a coffee keeps them free.