Fully support Apple M1 & macOS Big Sur!

Offline Toolbox for Developers

Format JSON, decode Base64, convert timestamps, debug JWT… with just one click! Native macOS app, work entirely offline

DevUtils.app screenshot

❤️ Boosting 2000+ happy developers' productivity

What our users say about DevUtils:



🧰 What's in the box?

28 developer tools that you will use everyday!

Unix Time ConverterJSON Format/ValidateBase64 Encode/DecodeJWT DebuggerRegExp TesterURL Encode/DecodeQuery String to JSONHTML Entity Encode/DecodeBackslash Escape/UnescapeUUID/ULID Generate/DecodeHTML PreviewText Diff CheckerYAML to JSONJSON to YAMLNumber Base ConverterHTML Beautify/MinifyCSS Beautify/MinifyJS Beautify/MinifyERB Beautify/MinifyLESS Beautify/MinifySCSS Beautify/MinifyXML Beautify/MinifyLorem Ipsum GeneratorQR Code Reader/GeneratorString InspectorJSON to CSVCSV to JSONHash Generator

...and more soon! View ALL screenshots

🎬 10-second demos

Click to play 👇

✈️ Work Offline

Stop pasting JSON strings, JWT tokens, or sensitive data to random websites online.

DevUtils works entirely offline! Everything you paste into the app never leaves your machine.

DevUtils.app work-offline
DevUtils.app auto-detect

⚡️ Smart Detection

DevUtils automagically detects the right tool based on your clipboard content. For example:

  • ⚡️ 1611241901 ➡ Unix Time Converter
  • ⚡️ {"abc": 123, ...} ➡ JSON Formatter
  • ⚡️ aGVsbG8gd29ybGQ= ➡ Base64 Decoder

Activate DevUtils with Space
(Or your own customized hotkey, up to you)

🛠 Feature Rich

💎 Delightful handcrafted native UI

🔍 Powerful search and tool management

🧰 28 developer tools and counting

⚙️ Custom scripts coming soon!

DevUtils.app feature-rich

❤️ Trusted by awesome developers like you

Love it! I always feel weird pasting my data into random sites
- slugiscool99 via Hacker News

This colleciton of tools is so handy. I use it every day. It's so nice to know that the data is staying on my machine!
- David_FOS via App Store Review

A fantastic tool which saves me from having to remember a myriad web sites, and pasting text into sites of dubious origin.
- DamianMehers via App Store Review

Thank you! Very happy that I purchased this app, love it and use it every day!
- sudo-suhas via GitHub

Wow, I've never so quickly paid for an app that I could otherwise have for free. What a great idea and already-polished product I'm very happy to support.
by Dan Berman via Email Support

Proud purchaser of the app - love it.
- el_don_almighty via Hacker News

DevUtils has made my workflow faster and mind safe. The developer also does a good job receiving feedback and implementing suggestions. Totally worth it!
- Danilo Kleber via App Store Review

👉 View more testimonials

🎯 One-time purchase

...and never paste your data to random web pages full of ads again!

DevUtils App Icon
DevUtils.app

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