Calendar Week Calculator

JSON Pretty Print

Timestamp → Berlin

Berlin → Timestamp

Base64 Encode / Decode

URL Encode / Decode

HTML Entities Encode / Decode

UUID v4

String Length

Hash Generator

Lorem Ipsum Generator

CSV → JSON

JSON → CSV

JWT Decoder

Regex Tester

Color Converter

QR Code Generator

Diff Tool (String A vs. B)

Duplicate Word Detector

Image → Base64 (client-side only)

Conversion runs entirely in your browser. The image file is not uploaded.

Preview: