CodeNeat
Your code is being sent to external servers.
100% Client-Side Processing

Developer Tools That Never See Your Code

Most online tools transmit your code to their servers for processing. CodeNeat runs 100% in your browser — nothing leaves your device. Ever.

Use Tools Privately

Open source · No sign-up · Works offline

Developer Tools

Everything you need, right in your browser. No data sent to any server.

JSON Formatter & Viewer

Format & validate JSON

Base64 Encode / Decode

Encode & decode Base64

URL Encode / Decode

Encode & decode URLs

Regex Tester

Test & debug regex

Diff Checker

Compare text differences

JWT Decoder

Decode JWT tokens

SQL Formatter

Format SQL queries

Hash Generator

Generate MD5 & SHA hashes

Why CodeNeat?

Privacy First

All processing happens in your browser. Your data never touches our servers.

Blazing Fast

Instant results with no server round-trips. Works offline too.

100% Free

All tools are free to use, no sign-up required. No limits.

Modern UI

Clean, intuitive interface with dark mode and Ctrl+Enter shortcuts.

Frequently Asked Questions

Is CodeNeat really free?

Yes! All developer tools are completely free to use with no sign-up required.

Is my data safe?

Absolutely. All data processing happens entirely in your browser. We never send your code or data to any server.

Does it work offline?

Yes, once loaded, most tools work without an internet connection since all processing is client-side.

What tools are available?

We offer JSON Formatter, Base64 Encoder/Decoder, URL Encoder/Decoder, Regex Tester, Diff Checker, JWT Decoder, SQL Formatter, and Hash Generator — with more coming soon.