Dev Tools Pro
Close the dev-tool tabs.
Only for Mac
9,00 kr
Mac
Stop juggling 10 tabs of JSON formatters, diff viewers, cURL playgrounds and JSONPath sites. The dev tools you actually use — native, offline, on your Mac.
You don't need another browser tab.
For years you've been bouncing between half a dozen tool sites — one for formatting JSON, one for JSONPath queries, one for cURL, one for diffing, one for JWT, one for URL parsing. Dev Tools Pro is the one app that replaces all of them. Native macOS. Single window. Fully offline. Everything you paste stays on your Mac.
Why a native app
- No more "is this tool still up?" — every tool opens in milliseconds, no network round trip.
- No more "did I just paste a production token into a random site?" — every operation runs locally in App Sandbox.
- No more 12 open tabs — one window, sidebar navigation, ⌘1–4 jump keys.
What's inside
JSON
- Format, minify and validate.
- Tree visualization with syntax highlighting and structure stats.
- JSONPath queries with array indexes and wildcards.
- Convert to YAML, XML, Base64 or CSV.
- Sort keys, flatten, unflatten, merge, extract keys.
- JSON Patch-style diff between two documents.
- Fetch JSON from any URL.
- Local history of recent operations.
APIs and web
- Parse and execute cURL commands.
- Decode JWT header and payload (no signature trust).
- Break URLs into components and query parameters.
- Embedded Network Inspector — captures fetch, XHR and resource timings; exports JSON or HAR.
- Embedded OpenAPI Beauty viewer for spec inspection.
File compare
- Line-by-line text diff.
- Image compare with split, fade, slider, pixel-highlight and subtract modes.
- PDF, RTF, HTML and plain-text document compare.
- CSV, TSV and text-exported table compare.
- Recursive folder diff with optional SHA-256 hashing.
Built native
- 100% native SwiftUI.
- App Sandbox compliant — network used only for URLs you type; file access only for files you pick.
- Privacy manifest declares zero tracking and zero data collection.
- No analytics, no account, no telemetry.
If you've been pasting JSON into random tool sites and wondering whether you should, this is the app that fixes that.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, 冰冰 邓, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- 冰冰 邓
- Size
- 2.5 MB
- Category
- Developer Tools
- Compatibility
Requires macOS 14.0 or later.
- Mac
Requires macOS 14.0 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Dev Tools Pro

