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Summary
DevUtils.app is a collection of developer tools covering tasks such as JSON formatting, Base64 encoding, JWT debugging, and regular expression testing, along with dozens of other utilities for formatting, parsing and converting code and data. All tools run entirely offline, so pasted content such as JSON strings or JWT tokens never leaves the machine. The app can detect the right tool automatically based on clipboard content, and it can be activated through a customizable hotkey, a status bar icon, or a right-click context menu option. A free version includes three tools.
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The free version includes 3 tools:
- Unix Time Converter (+ Timezone support)
- JSON Format/Validate
- Base64 String Encode/Decode
List of all current tools:
- Unix Time Converter
- JSON Format/Validate
- Base64 String Encode/Decode
- Base64 Image Encode/Decode
- JWT Debugger
- RegExp Tester
- URL Encode/Decode
- URL Parser
- HTML Entity Encode/Decode
- Backslash Escape/Unescape
- UUID/ULID Generate/Decode
- HTML Preview
- Text Diff Checker
- YAML to JSON
- JSON to YAML
- 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
- JSON to CSV
- CSV to JSON
- Hash Generator
- HTML to JSX
- Markdown Preview
- SQL Formatter
- String Case Converter
- Cron Job Parser
- Color Converter
- PHP to JSON
- JSON to PHP
- PHP Serializer
- PHP Unserializer
- Random String Generator
- SVG to CSS
- cURL to Code
- JSON to Code
- Certificate Decoder (X.509)
- Hex to ASCII
- ASCII to Hex
- Line Sort/Dedupe
- ...more are coming!
◆ Work Offline
Stop pasting your JSON strings, JWT tokens, or any potentially sensitive data to random websites online. DevUtils.app 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 DevUtils.app" (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.
Suggest your favorite tools by dropping me an email at admin@devutils.app or send your own PR via GitHub.
Terms of Service: https://devutils.app/terms_of_service/
If there is a version of this app for iOS/Mac or Windows we don't know about, paste the store link here — we'll auto-detect the store.
How to find the URL:1. Open the app in its store. 2.In the App Store app: tap the Share icon → “Copy Link”. In the browser: copy the URL from the address bar — it contains apps.apple.com/…/id… or apps.microsoft.com/detail/…. 3. Paste it here.
Paste the original link from the Apple App Store or Microsoft Store. We fetch all details automatically.
How to find the URL:
1. Open the app in its store. 2.In the App Store app: tap the Share icon → “Copy Link”. In the browser: copy the URL from the address bar — it contains apps.apple.com/…/id… or apps.microsoft.com/detail/…. 3. Paste it here.
Android apps can only be listed by their developer.