Privacy-First Browser Tools
Professional-grade utilities for quick browser workflows. Many tools process inputs locally; check each page for its verified boundary.
PDF Compressor
Compress PDF files locally
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- •Compress PDF files locally
- •No upload required - 100% privacy
- •Multiple compression levels
JSON ⇄ CSV Converter
Convert JSON to CSV and vice versa
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- •Convert JSON to CSV and vice versa
- •Field mapping and sorting
- •Handle large files with Web Workers
Video Extract Audio
Extract audio from video files
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- •Extract audio from video files
- •Generate video thumbnails
- •WebCodecs API for fast processing
Token Counter & Prompt Size Estimator
Estimate prompt token counts
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- •Estimate prompt token counts
- •Check rough context usage
- •Compare context window fit
OpenAPI Client Generator
Generate TypeScript, JavaScript, and Python clients from OpenAPI specs
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- •Generate TypeScript, JavaScript, and Python clients from OpenAPI specs
- •Use OpenAPI or Swagger JSON specs
- •Preview endpoints before copying generated code
Image Compressor
Compress PNG, JPG, WebP images
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- •Compress PNG, JPG, WebP images
- •Remove EXIF metadata
- •Batch processing support
Regex Playground
Test and debug regular expressions
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- •Test and debug regular expressions
- •Support multiple language flavors
- •Highlight matches and groups
UUID & Hash Generator
Generate UUID (v4)
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- •Generate UUID (v4)
- •Create MD5, SHA-1, SHA-256 hashes
- •Batch generation support
Diff & Merge Viewer
Compare text or JSON files
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- •Compare text or JSON files
- •Line-by-line and character-level diff
- •Support merge operations
Markdown Table Generator
Convert CSV/Excel to Markdown tables
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- •Convert CSV/Excel to Markdown tables
- •Visual table editor
- •Alignment control
Barcode & QR Code Generator
Generate QR codes and barcodes
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- •Generate QR codes and barcodes
- •Multiple barcode formats
- •Batch generation
PDF Merge
Merge multiple PDF files
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- •Merge multiple PDF files
- •Reorder pages before merging
- •Local processing - no upload
PDF OCR
Extract text from scanned PDFs
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- •Extract text from scanned PDFs
- •Support multiple languages
- •Tesseract.js WASM engine
PDF Sign & Stamp
Add digital signatures to PDFs
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- •Add digital signatures to PDFs
- •Insert stamps and watermarks
- •Custom signature drawing
PDF to Images
Convert PDF pages to images
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- •Convert PDF pages to images
- •Support PNG, JPG formats
- •Adjustable image quality
Audio Trim & Merge
Trim audio files precisely
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- •Trim audio files precisely
- •Merge multiple audio tracks
- •Visual waveform editor
Audio to Text
Transcribe audio to text
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- •Transcribe audio to text
- •Support multiple languages
- •Web Speech API integration
Video Convert/Compress
Convert video formats
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- •Convert video formats
- •Compress video files
- •Adjust resolution and bitrate
Subtitle Editor
Edit SRT, VTT subtitle files
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- •Edit SRT, VTT subtitle files
- •Sync subtitles with video
- •Timeline-based editing
Image Resize
Resize images to custom dimensions
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- •Resize images to custom dimensions
- •Maintain aspect ratio
- •Batch resize support
Image Redact/Privacy
Redact sensitive information
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- •Redact sensitive information
- •Blur or pixelate areas
- •Remove EXIF metadata
QR Code Decoder
Scan QR codes from images
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- •Scan QR codes from images
- •Camera-based scanning
- •Batch QR code decoding
SQL on CSV
Run SQL queries on CSV files
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- •Run SQL queries on CSV files
- •Support JOIN operations
- •In-browser SQLite database
CSV Join/Deduplicate
Join multiple CSV files
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- •Join multiple CSV files
- •Remove duplicate rows
- •Column-based merging
Cron Expression Helper
Generate cron expressions
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- •Generate cron expressions
- •Visual schedule builder
- •Explain existing cron syntax
SQL Formatter/Sanitizer
Format SQL queries
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- •Format SQL queries
- •Syntax highlighting
- •Remove sensitive data