A Great App for Developers
An Excellent all-in-one toolkit for developers - Powerful, Intutive and incredibly useful.
Free
In-App Purchases
About
A comprehensive suite of developer tools for mobile devices. Quickly format, convert, decode, and test code with a vast collection of utilities. Designed for efficient local processing with no account required.
✓JSON formatter, validator, and converter
✓API tester with REST, GraphQL, and cURL support
✓Regex tester and highlighter
✓JWT decoder and analysis
✓Base64 encoder/decoder
✓Timestamp and timezone conversion
✓Local-first data processing
Show original description
What's New in DevTools+
1.6.0
September 9, 2026
Minor UI Updates
Subscription plans
Pro Monthly
Monthly Plan That Unlocks Unlimited Access Pro Tools
$1.991 Month
User reviews
Developer apps
FAQ
What is DevTools+?
DevTools+ is a mobile application offering 496 developer tools for tasks like formatting JSON, testing APIs, and decoding Base64. It's designed for iPhone and iPad users.
Does DevTools+ have ads?
No, DevTools+ does not contain advertisements. The app is free to use with a selection of tools, and a Pro version unlocks the complete toolkit without ads.
How much does DevTools+ Pro cost?
DevTools+ Pro is available through subscription plans: $1.99 per month or $19.99 per year. This unlocks the full suite of tools and removes any limitations.
Can I use DevTools+ offline?
Yes, DevTools+ is designed to be local-first, meaning most tools process directly on your device. Tools requiring a network connection are clearly identified.
What kind of code formatting does DevTools+ offer?
DevTools+ includes a JSON formatter, validator, minifier, tree view, sort, and escape functionality. It also supports conversion between JSON and other formats like YAML, CSV, XML, TypeScript, and Java.
Is DevTools+ suitable for beginners?
Yes, the app is built for developers, QA engineers, students, and technical teams. It provides practical examples and a searchable interface to help users find the right tool quickly.
How often is DevTools+ updated?
The latest version of DevTools+ is 1.6.0, last updated on September 9, 2026. Updates typically include new features, bug fixes, and performance improvements.
What devices does DevTools+ support?
DevTools+ is supported on iPhone, iPad, and iPod devices. It is rated for ages 4 and up.
