DevKnife
One app for your daily dev tasks
One time feeHelpers2,464 impressions#2 of its week
DevKnife is a native macOS app that bundles 33 developer utilities—JSON editor, HTTP client, port scanner, and more—in one offline-first toolbox.
- for
- Mac developers who want fast, offline access to common dev utilities without switching apps.
- pricing
- paid · free trial
Key features
- JSON Editor — Edit, format, query and auto-repair JSON with tree view, JSONPath/ JMESPath support.
- HTTP Client — Compose and inspect HTTP requests with headers, body, variables and formatted responses.
- Converter — Convert data between JSON, YAML, TOML, XML and CSV locally on the Mac.
- Regex Tester — Validate and debug regular expressions with real-time highlighting and cheat sheet.
- Text Compare — Side-by-side comparison of two text blocks with instant difference highlighting.
- JWT Debugger — Decode JWTs and view header, payload and signature in a readable format.
- Port Scanner — Scan ports to test connectivity, verify services or check firewall settings.
- Quick Look Previews — Show syntax-highlighted previews for 30+ file types directly in macOS Quick Look.
Use cases
- Quickly format and validate JSON responses from APIs.
- Test REST endpoints without leaving the desktop.
- Compare configuration files or code snippets side by side.
- Decode JWTs to inspect authentication payloads.
- Scan local network ports to verify service availability.
DevKnife vs alternatives
 DevKnife |  Webacus |  10015.io |  PullBar Pro | ||
|---|---|---|---|---|---|
| Best for | All-in-one offline dev toolbox for macOS | Web-based all-in-one dev toolkit | Online all-in-one tool collection | Curated free open-source dev tools | GitHub PR menubar integration |
| Pricing | Paid | Free | Free | One time fee | One time fee |
| DevHunt upvotes | 5 | 26 | 12 | 12 | 27 |
| Launched | Oct 2025 | Nov 2024 | Sep 2024 | Jan 2023 | Jan 2024 |
- DevKnife vs Webacus: Webacus is a web-based Swiss-army-knife for developers, while DevKnife is a native macOS offline app.
- DevKnife vs 10015.io: 10015.io offers online tools in one box; DevKnife provides the same utilities as a native Mac app.
- DevKnife vs Damn Good Tools: Damn Good Tools focuses on free open-source utilities, whereas DevKnife is a paid native macOS app with offline privacy.
- DevKnife vs PullBar Pro: PullBar Pro shows GitHub PRs in the menubar; DevKnife bundles many unrelated dev utilities for local use.
DevKnife FAQ
Is there a free trial?+
Yes, DevKnife offers a full-featured 30-day trial with no sign-up or credit card required.
Does DevKnife work offline?+
Yes, all tools run locally and do not require an internet connection, except for initial download, activation and updates.
What does the lifetime license include?+
A one-time payment grants access to all current and future modules on up to two Macs, with free updates and priority support.
Are there discounts for students or open-source projects?+
Yes, a 50% discount is available for students and open-source projects upon request.
Can I transfer my license to another Mac?+
Yes, you can deactivate the license on one Mac and activate it on another any number of times.
Summarized by DevHunt from devknife.app · Oct 1, 2026. Details may change; check the official site.
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