Free Online Developer Tools

Fast, clean, and privacy-friendly tools to speed up your daily workflow.

JSON Formatter

Beautify and validate JSON with one click.

Base64 Decoder

Decode Base64 strings into readable text.

UUID Generator

Get a fresh UUID v4 for your apps.

Why SF Coder Apps?

Lightweight and blazing fast tools.
No login required. Your data isn't stored.
100% free to use.