kattoolbox

Browser-based file and developer utilities. All processing occurs locally on the client without uploading files to any external server.

Tools

File Shrinker: Compress images to target thresholds (Discord 10MB/8MB, Gmail 25MB, web formats).
EXIF & GPS Scrubber: Inspect camera metadata and remove location tags from photos.
PDF Toolkit: Merge, split, extract pages, rotate documents, and convert images to PDF.
Image Redactor: Black out or pixelate sensitive sections of images.

Formatters: JSON, Markdown, SQL, XML
Encoders: Base64, URL, HTML Entities, JWT
Generators: UUID v4, Lorem Ipsum, Hash (MD5, SHA-1, SHA-256, SHA-512), QR Code, Password
Converters: Unix Timestamp, Color (HEX/RGB/HSL), Number Base, JSON / CSV
Text: Word Counter, Regex Tester, Diff Checker, Case Converter
CSS: Gradient Generator, Box Shadow, Px to Rem
Web: Meta Tag Generator, Slug Generator, Cron Parser, Image to Base64, Placeholder Image

npm install
npm run dev

npm run build

MIT