This repository is not the source code. Developer Tools Pro is a closed-source app. This repo exists solely as a public issue tracker for bug reports, feature requests, and general feedback.
- Website: devtpro.app
- Mac & iPad: Download on the App Store
- Windows: Download on the Microsoft Store
Developer Tools Pro is a 100% offline developer utility app for macOS, Windows, and iPadOS, offering 100+ essential tools in a single, high-performance app with a familiar editor-inspired interface. No internet, no sign-up, no tracking — everything runs locally on your device.
| Category | Tools |
|---|---|
| Converters (46 tools) | Between JSON, XML, YAML, TOML, CSV, TSV and more |
| Code Generators (19 tools) | JSON → Java, C#, TypeScript, Python, Dart, Kotlin, Swift, Go; cURL → Java, C#, Python, JS, TS, Go, PHP, Ruby, Swift, Kotlin, Rust |
| Encoders / Decoders (11 tools) | Base64 (file/string/image), URL, HTML entity, JWT, Hex/ASCII, Backslash Escape |
| Cryptography (2 tools) | Hash Generator (SHA-256), AES-256 Encrypt/Decrypt, RSA Key Gen |
| Viewers (9 tools) | JSON, XML, YAML, TOML, CSV, TSV tree/table viewers with JSONPath filter support |
| Validators & Formatters (9 tools) | JSON, XML, YAML, TOML, SQL — validate and beautify with one click |
| Utilities (9 tools) | UUID/ULID Generator, Regex Tester, Cron Parser, Diff Viewer, Color Converter, Lorem Ipsum, Text Case Converter |
| Date Utilities (4 tools) | Timestamp Converter, Age Calculator, Date Diff, World Clock |
| QR Code (2 tools) | QR Generator (Wi-Fi, vCard, Batch) & QR Reader |
| Previewers | HTML & Markdown live preview with hot reload |
- ⌨️ Keyboard-first — Command Palette (
⌘P) to reach any tool instantly - 🗂️ Tab-based workflow — work on multiple tools simultaneously
- ✏️ Pro code editor — syntax highlighting and code folding everywhere
- 🛡️ Zero telemetry — no analytics, no network calls, no account needed
| Platform | Requirement |
|---|---|
| macOS | macOS 11.5 or later · Apple Silicon + Intel |
| Windows | Windows 10 or 11 · x86 + ARM (Emulated) |
| iPadOS | Available on the App Store |
Use the Issues tab to:
- 🐞 Report a bug — describe what happened, what you expected, and steps to reproduce
- 💡 Request a feature — explain the use case and what problem it solves
- ❓ Ask a question — if something in the app isn't clear
- Search existing issues to avoid duplicates.
- Use the latest version of the app from the store.
- Mention your platform (macOS / Windows / iPadOS) and OS version in bug reports.
- Clear, descriptive title
- Steps to reproduce the issue
- Expected vs. actual behaviour
- Screenshots or screen recordings (if applicable)
- Platform (macOS / Windows / iPadOS) and OS version
- App version
| In scope ✅ | Out of scope ❌ |
|---|---|
| Bug reports | Pull requests / code contributions |
| Feature requests | Source code questions |
| UI/UX feedback | Forks or derivative works |
| Crash reports |
Pull requests will be closed, as the source code is not hosted here.
For anything that doesn't fit a GitHub issue (licensing, refunds etc.), reach out via the respective store support page.