Free, client-side tools for everyday tasks. Everything runs locally in your browser — your files and data are never uploaded.

Generators

Passwordgenerator icon

Passwordgenerator

Secure, customizable passwords on demand — local-only generation, strength feedback, one-click copy.

  • security
  • generator
UUID Generator icon

UUID Generator

Instantly generate RFC 4122 UUIDs — copy-ready, offline.

  • generator
  • dev
NEW!
QR Code icon

QR Code

Generate custom-colored QR codes with logos, adjustable size and error correction, export as PNG or SVG, and scan QR codes from images — entirely offline.

  • generator
  • encoding
  • dev

Text & Dev

Diff Checker icon

Diff Checker

Diff Checker is a fast, privacy-friendly tool to compare two texts and instantly highlight additions and deletions with word-level diffs.

  • text
  • dev
Base64 icon

Base64

Encode and decode Base64 text instantly, entirely in your browser.

  • dev
  • text
  • encoding
JSON Formatter icon

JSON Formatter

Format, validate and minify JSON with clear error messages.

  • dev
  • text
Text Case Converter icon

Text Case Converter

Switch between UPPERCASE, lowercase, Title Case, camelCase and more, plus word/character counts.

  • text
NEW!
Regex Tester icon

Regex Tester

Test regular expressions against sample text with live match highlighting and group capture.

  • dev
  • text
NEW!
JWT Decoder icon

JWT Decoder

Decode JSON Web Token headers and payloads locally. Signatures are never verified or sent anywhere.

  • dev
  • encoding
  • security
NEW!
Markdown Converter icon

Markdown Converter

Convert Markdown to HTML with a live preview, or HTML back to Markdown.

  • dev
  • text
NEW!
Timestamp Converter icon

Timestamp Converter

Convert Unix epoch timestamps to human-readable dates and back, with a live clock.

  • dev
  • time

Files & Images

Hasher icon

Hasher

Client-side file hashing—supports SHA-256/512, SHA-1, MD5

  • security
  • files
  • dev
GPX Merge icon

GPX Merge

Merge multiple GPX files client-side—keeps POIs, tracks, routes; recalculates bounds; one click to download.

  • files
  • geo
Coming soon
Image to PDF icon

Image to PDF

  • files
  • pdf
PDF Password Removal icon

PDF Password Removal

Remove a password or permission lock from a PDF, entirely in your browser — supports RC4, AES-128 and AES-256.

  • files
  • pdf
  • security
NEW!
EXIF Viewer & Remover icon

EXIF Viewer & Remover

View hidden EXIF metadata in your photos — including GPS location — and strip it before sharing.

  • files
  • security
  • images
NEW!
Image Compressor icon

Image Compressor

Resize and compress images with instant before/after size comparison and a live preview.

  • files
  • images

Design

Color Converter icon

Color Converter

Convert colors between HEX, RGB and HSL.

  • design
  • dev