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What is DevUtils?

Powerful developer tools for your everyday tasks. Native macOS app, work offline, and respect your data.

List of current tools:

- Unix Time Converter

- JSON Format/Validate

- Base64 String Encode and Decode

- JWT Debugger

- RegExp Tester

- URL Encode/Decode

- Query String to JSON

- HTML Entity Encode/Decode

- Backslash Escape/Unescape

- UUID/ULID Generate/Decode

- HTML Preview

- Text Diff Checker



- Number Base Converter

- HTML Beautify/Minify

- CSS Beautify/Minify

- JS Beautify/Minify

- ERB Beautify/Minify

- LESS Beautify/Minify

- SCSS Beautify/Minify

- XML Beautify/Minify

- Lorem Ipsum Generator

- QR Code Reader/Generator

- String Inspector



- Hash Generator


- Markdown Preview

- SQL Formatter

- String Case Converter

- Base64 Image Encode and Decode

- Cron Job Parser

- ...more are coming!

◆ Work Offline

Stop pasting your JSON strings, JWT tokens, or any potentially sensitive data to random websites online. helps you quickly do your tiny tasks entirely offline! Everything you paste into the app never leaves your machine.

◆ Smart detection

DevUtils automatically selects the right tool based on your clipboard content. Activate the app anytime by:

- Copy text ► Press ⌃⌥⌘Space (Or your own customized hotkey, up to you)

- Copy text ► Click to the app icon in the status bar

- Select text ► Right-click ► "Inspect in" (This menu appears after you install the app)

All options are configurable in the Preferences panel!

◆ Feature rich

Many developer tools are supported, and more are coming. Scripting ability is coming soon so you can add your own tools/scripts.

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Learn More about DevUtils

DevUtils Blogs and Updates

DevUtils Version 1.16.0

Published: Wednesday 21st December 2022

This has been a massive update for DevUtils, there are new tools, features, improvements and bug fixes all in this one update! Check out all of the new features now.

New tools:

- Added Certificate Decoder (X.509) tool: decode an encoded certificate string to human-readable format using Open SSL.

- Added JSON to Code tool: convert JSON or JSON Schema string to 20 programming languages type. This tool is powered by the famous quicktype open-source project.

New features:

- Added a "Pop-out" button on the top right corner of every tool, which allows you to bring the tool and its current data to a separate window conveniently.

- Added a Markdown Cheatsheet to the Markdown Preview tool.

- Added Timezone section to the Unix Time Converter, which allows you to show the selected time in other timezones.


- The input in the RegExp Tester tool now allows multiple lines.

- Added "Pin to Window" when viewing a cheatsheet/document popup. Clicking it will bring the document to a separate floating window for more convenience.


- XML Formatter: Fixed various formatting issues.

- SQL Formatter: Fixed issue with formatting some MySQL queries.

- JSON Formatter: Added warning when there are big numbers found in the input string, which may cause the output to show a different value.

- Color Converter: Fixed a crash when converting some specific color values.

Other changes:

- Changed the search shortcut from Command %20 / to Command %20 Shift %20 F.

- Redesigned the "Scripting" panel in the Preferences window.

Continue Reading

DevUtils Version 1.15.0

Published: Saturday 1st October 2022

New tools

- Added cURL to Code tool. Comes in 15 languages: JavaScript, NodeJS, Go, Java, Python, Rust, etc.

- Added SVG to CSS tool. Easily convert your SVG to CSS background-image property. Support URL Encoded version and Base64 encoded version.

New features

- You can now open multiple DevUtils windows with ⌘N or right-click on the tool in the sidebar → Open in New Window.

- Added Cheat Sheet to the RegExp Tester tool.

- Added Separating Group Size to the Random String Generator tool. This will enable you to generate more flexible strings like license keys.


- Added "Preserve encoded strings" to the JSON Formatter tool.

- JWT Debugger now automatically removes spaces and newlines characters in the input token.

- Added License Key preset to the Random String Generator tool.

- When you click "Use as input" in various encode/decode tools, the Encode option swaps to Decode automatically (and vice versa).


- Fixed a number format issue in the Color Converter tool.

- Fixed auto-detect behavior: if no matching tool is detected, the app now shows the previously selected tool.

- Fixed DevUtils's menu bar icon not showing correctly on external screens.

- Fixed the group setting gear icon not clickable when the sidebar is too wide.

- Fixed "Check for Updates..." menu item incorrectly disabled in the status bar menu.

Other Changes

- Change the website address from to in various places in the app.

- Rename "Delete" to "Ungroup" in the group menu items.

- The fuzzy search option in the Preferences... panel is removed.

Continue Reading

New Tool Arrive in DevUtils

Published: Monday 11th April 2022

DevUtils is one of our favourite developer tools, and today they have made it even better with the release of a great new update packed with new tools and features!

New tools

  • Added Color Converter tool! Comes with code presets for CSS, Java, .Net, Android, Swift, and ObjC!
  • Added PHP tools: PHP⬌JSON Converter, PHP Serializer/Unserializer.
  • Added Random String Generator, can also be used as a password generator with a lot of flexibility.

New features

  • You can now add Groups by selecting multiple tools → Right-click → Add to Group.
  • A new Frequently Used section is added. It is not shown by default, you can show this section by clicking the menu Tools → Frequently Used → Show Top 5/10/20 Tools.
  • Introducing a new toolbar on the top of each tool. The toolbar will show relevant information for each tool while you use it.


  • String Case Converter now supports more cases: UPPER CASE, lower case, Capitalized Case, Sentence case, Title Case (APA Convention), slug-case.
  • JSON Formatter now supports input in JavaScript expression.
  • Added an option to JSON Formatter to disable continuous mode.

Continue Reading

DevUtils Now Available on Student App Centre!

Published: Tuesday 29th March 2022

We’re thrilled to let you know that students can now enjoy 40% Off DevUtils exclusively through Student App Centre!

To redeem your DevUtils student discount, simply complete the form at the top of this page. We’ll then send you a coupon code to unlock your 40% Off DevUtils.

This exclusive student offer is only available through Student App Centre, so don't miss out!

DevUtils FAQs

Does DevUtils have a student discount?

Yes, DevUtils offers 40% off to verified students. You can claim your discount by completing the form at the top of the page.

Is the DevUtils student discount avaliable all year?

Discounts on Student App Centre can and do change frequently. The current discount on DevUtils can be adjusted or removed at anytime. If you think 40% off is a good deal, don't miss out and claim your discount now!

Where do I get the DevUtils student discount?

You can get 40% off DevUtils exclusively through Student App Centre by completing the form at the top of the page.

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