Dev tools, instantly.

40+ free browser-based tools for developers. Format JSON, encode Base64, test regex, generate UUIDs and more — no login, no tracking, no nonsense.

Free forever No login required Client-side only No tracking
40+
Tools
100%
Client-side
0
Trackers
⌕

Browse categories

Aa
Text & Strings
Case converter, diff checker, regex tester, lorem ipsum, word counter, markdown preview and more.
7 tools
⇄
Encode / Decode
Base64, URL encoding, JWT decoder, hash generator (MD5/SHA), UUID generator, bcrypt tester.
6 tools
{}
JSON & API
JSON formatter, JSON↔YAML, JSON↔CSV, JSONPath tester, cURL builder, HTTP status codes.
6 tools
#
CSS & Frontend
Gradient generator, box shadow, flexbox playground, color picker, CSS minifier, SVG optimizer.
7 tools
01
Numbers & Dates
Unix timestamp converter, date difference calculator, number base converter, byte size calculator.
4 tools
⌥
Database & Code
SQL formatter, cron expression builder, code minifier/beautifier, HTML entity encoder.
5 tools
▣
Images & Files
Image to Base64, SVG to PNG, favicon generator, image resizer, file hash checker.
5 tools
⬡
Network & Security
IP lookup, DNS lookup, WHOIS, SSL checker, password strength tester, password generator.
6 tools
⚙
Dev Utilities
Git cheatsheet, .gitignore generator, README builder, changelog generator, env validator, semver.
6 tools
▦
QR Code
Generate QR codes for URLs, WiFi, vCards, email, SMS and more. Download PNG or SVG.
8 types

No tools found for ""

Featured: JSON Formatter — try it now
Input JSON
Formatted Output
Paste JSON on the left to see it formatted here.
Open full JSON tools →

How it works

1

Pick a tool

Browse 10 categories or search by keyword to find the tool you need.

2

Paste your data

Type or paste your content directly in the browser. Nothing leaves your machine.

3

Copy the result

One click to copy the output. Done. No accounts, no rate limits, no ads that track you.

All tools are free. No account needed. Ever.

Built for developers who value their time and privacy.

Browse all tools