162 Browser-Only Tools
Every tool on this page runs entirely in your browser. Your files, text, and data are never transmitted to any server.
- Merge PDFs
- Extract PDF Pages
- Rotate PDF
- Add Page Numbers to PDF
- Watermark PDF
- Sign PDF
- Organize PDF Pages
- Password Protect PDF
- Unlock PDF
- Compress PDF
- HEIC to JPG
- Image to PDF
- Compress Image
- Image Converter
- Resize Image
- SVG to PNG Converter
- EXIF Remover
- Crop Image
- VAT Calculator
- Compound Interest Calculator
- Mortgage Calculator
- Loan / EMI Calculator
- FIRE Calculator
- .gitignore Generator
- README Generator
- Random Number Generator
- Username Generator
- JSON Formatter
- JWT Decoder
- Base64 Encoder / Decoder
- URL Encoder / Decoder
- HTML Entity Encoder / Decoder
- UUID Generator
- Password Generator
- Color Converter
- Word Counter
- Text Case Converter
- Markdown to HTML
- Diff Checker
- Remove Duplicate Lines
- Sort Lines
- Percentage Calculator
- Tip Calculator
- Hash Generator
- CSV to JSON
- JSON to CSV
- YAML ↔ JSON Converter
- XML Formatter & Minifier
- Number Base Converter
- Regex Tester
- Crontab Generator
- Slug Generator
- Find & Replace
- Lorem Ipsum Generator
- Unit Converter
- Age Calculator
- BMI Calculator
- Calorie Calculator
- Time Zone Converter
- Unix Timestamp Converter
- Markdown Table Generator
- QR Code Generator
- PDF to JPG
- Typing Speed Test
- Reaction Time Test
- CPS Test
- Memory Test
- Color Vision Test
- Number Memory
- Aim Trainer
- 2048
- Lexio
- Body Fat Calculator
- Stopwatch & Countdown Timer
- Pomodoro Timer
- Invoice Generator
- Color Palette Generator
- CSS Grid Generator
- CSS Flexbox Generator
- Meme Generator
- Fake Data Generator
- Business Name Generator
- Domain Name Generator
- Cover Letter Generator
- Business Card Generator
- Certificate Generator
- Resume Generator
- Ethereum Address Validator
- APY ↔ APR Calculator
- DCA Calculator
- Satoshi / BTC Converter
- ETH Unit Converter
- Bitcoin Address Validator
- Staking Rewards Calculator
- Crypto Tax P&L Calculator
- Portfolio Rebalancer
- Crypto Payment QR Generator
- Crypto Denomination Reference
- BIP39 Seed Phrase Validator
- SQL Formatter
- JSON to TypeScript
- Text Encryptor
- PDF to Text
- File Checksum Verifier
- Image Watermark
- HTML to Markdown
- Barcode Generator
- Image Flip & Rotate
- Aspect Ratio Calculator
- Number to Words
- CSS Gradient Generator
- Signature Maker
- Thumbnail Maker
- Base64 Image Encoder
- String Escape Tool
- LLM Benchmark Comparison
- Favicon Generator
- Readability Score
- LLM Cost Calculator
- Token Counter
- JSON Schema Generator
- Code Formatter
- Word Cloud Generator
- Chart Maker
- Image Upscaler
- Background Remover
- Speech to Text
- Word to PDF
- HTTP Headers Decoder
- Prompt Formatter
- Tokenizer Visualizer
- RAG Chunk Previewer
- JWT Generator
- Banner Maker
- Poster Maker
- Invitation Maker
- Photo Editor
- Video Compressor
- Flowchart Maker
- Mind Map Maker
- Logo Maker
- GIF Maker
- Audio Trimmer
- Photo Collage Maker
- Screen Recorder
- PDF to Word / Text
- JSONL Formatter & Validator
- LLM Error Decoder
- LLM Memory Calculator
- Context Window Visualizer
- Prompt Injection Scanner
- System Prompt Scorer
- Few-Shot Prompt Builder
- Text Similarity Checker
- Text to Speech
- Image to Text
- Fine-Tune Cost Calculator
- Token Probability Visualizer
- LLM Response Comparator
- Context Packer
- Prompt Compressor
- LLM Eval Scorecard