Skip to content

DevNibbleSmall tools. Big productivity.

Home Tools Categories Popular About

Home / Categories / Code

Code

5 free online Code tools that run entirely in your browser.

All tools JSON & Data XML YAML Code SQL Encode / Decode Text Developer Web JavaScript CSS Validators Cryptography Escape / Unescape Compression CSV & TSV Number Unit Converters Network Image Color Date & Time Generators Identifiers QR & Barcode Math DevOps Reference Data Science Geo Charts Finance PDF Engineering

HTML Formatter

Beautify and indent HTML markup.

Markdown to HTML

Convert Markdown into clean HTML.

HTML to Markdown

Convert basic HTML into Markdown.

Markdown Table Generator

Turn CSV data into a Markdown table.

GraphQL Formatter

Format and indent GraphQL queries.

DevNibble

Fast, private developer utilities that run entirely in your browser. No accounts, no tracking, no uploads.

Data

JSON Formatter XML Formatter YAML to JSON SQL Formatter

Encoding

Base64 Encoder URL Encoder JWT Decoder Hash Generator

Text & Web

Text Counter Case Converter Regex Tester URL Parser

Resources

All tools Categories Guides About Privacy Terms

© 2026 DevNibble. Built for developers. Everything runs client-side.