Launched December 30, 2025
Dev Tools
Free browser-based developer utilities - no signup, no tracking
Free1,559 impressions#4 of its week
Dev Tools is a collection of 24 essential developer utilities that run entirely in your browser.
🔧 Tools included:
- JSON Parser - Format, minify, validate & repair
- CSV Converter - To JSON, SQL INSERT, PHP arrays
- Regex Tester - Live matching with explanations
- Base64 Encoder - Text and file support
- Hash Generator - MD5, SHA-1, SHA-256, SHA-512
- UUID Generator - Create, validate, format v4 UUIDs
- JWT Decoder - Inspect token headers & payloads
- Cron Parser - Human-readable explanations
- And 16 more...
🛡️ Privacy First: Everything runs client-side. Your data never leaves your browser.
⚡ No signup, no ads, no tracking. Open source on GitHub.
A browser-based collection of 24 free developer utilities that run client-side with no signup or tracking.
- for
- Web developers and engineers needing quick, offline data transformations and debugging tools.
- pricing
- free
Key features
8 features of Dev Tools
- JSON Parser — Format, minify, validate and repair JSON data in the browser.
- CSV Converter — Convert CSV files to JSON, SQL INSERT statements or PHP arrays.
- Regex Tester — Live test regular expressions with explanations of matches.
- Base64 Encoder — Encode and decode text or files to and from Base64.
- UUID Generator — Create, validate and format version-4 UUIDs.
- Hash Generator — Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
- JWT Decoder — Inspect JWT token headers and payloads.
- Cron Parser — Parse cron expressions and show human-readable explanations.
Use cases
- Convert CSV data to JSON for API consumption
- Debug and test regular expressions while coding
- Generate secure passwords for application accounts
- Decode JWTs to verify token contents
- Hash files to verify integrity
Dev Tools FAQ
Do I need to create an account to use the tools?+
No, all utilities run in the browser without any signup.
Is my data stored or sent to a server?+
Everything runs client-side, so your data never leaves your browser.
Are there ads or tracking on the site?+
The site is ad-free and does not track users.
Is the source code available?+
Yes, the project is open source on GitHub.
Can I use the tools offline?+
Since they run entirely in the browser, they work without an internet connection after loading.
Summarized by DevHunt from dev-tools.online · Sep 27, 2026. Details may change; check the official site.
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