JellyfishKit

Free Online Tools Collection

25+ free, secure, and efficient online tools

Categories

📝

Text Processing

Format, encode, and convert text

7 tools

🖼️

Image Processing

Compress, convert, and resize images

5 tools

🔄

Converter & Calculator

Convert units, formats, and calculations

7 tools

⚡

Generators

Generate passwords, UUIDs, QR codes, and more

6 tools

Popular Tools

JSON Formatter

Format, beautify, minify and validate JSON

Base64 Encoder/Decoder

Encode/Decode Base64 text and images

URL Encoder/Decoder

Encode/Decode URL parameters

Hash Generator

Generate MD5, SHA-1, SHA-256 hashes

Regex Tester

Test regular expressions with real-time matching

SQL Formatter

Format and beautify SQL queries

Unicode Converter

Convert between Unicode and text

Image Compressor

Compress JPEG, PNG, WebP images

About JellyfishKit

JellyfishKit is a collection of free online tools designed for developers, designers, and everyday users. All tools run entirely in your browser, ensuring your data never leaves your device. No registration required, no data stored, no tracking.