DevKnife

DevKnife

Solo Tuna
+
+

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About

DevKnife is a lightweight all-in-one toolkit for developers on macOS. It brings together common utilities in a single native app, so you don’t have to switch between websites, CLI tools, or bulky IDEs for simple tasks. Current modules include: JSON Editor & Formatter, Text Compare, JWT Decoder, Domain & IP WHOIS, Port Scanner, Network Speed Test, Color Picker, Hasher, and IP Location. All tools are built to run locally without relying on third-party APIs. For network-related features like WHOIS or Speed Test, DevKnife connects directly to the relevant servers without sending your data elsewhere. DevKnife is actively developed with new features and modules added over time — a handy companion for everyday developer tasks.

About

SafeJSON is an all-in-one local JSON toolkit built exclusively for developers. All parsing, comparison, JWT decoding and validation runs 100% inside your browser, with zero user data uploaded to external servers. Core features include standard JSON formatter, visual JSON Diff, JWT token decoder, JSONPath query engine, and JSON Schema validator. It supports huge 50MB+ JSON files powered by Web Workers, dark mode, collapsible tree views, and one-click raw JSON export. Users can independently verify full privacy via Chrome DevTools Network panel — no API keys, tokens or confidential payloads leave your device. The core toolset is permanently free, with advanced features (Diff & JWT) available via SafeJSON Pro ($5/month or $39/year). The full codebase is fully open-source on GitHub for full audit.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, sysadmins, and IT pros who need quick, reliable tools on macOS without juggling multiple apps or command-line utilities.

Audience

Frontend & backend engineers, API testers, DevOps, security developers, full-stack programmers who work with JSON and auth tokens daily

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$19
Free Version
Free Trial

Pricing

$5/month, $39
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Solo Tuna
Founded: 2021
Lithuania
devknife.app/

Company Information

SafeJSON
Founded: 2025
United States
safejson.dev

Alternatives

Alternatives

JSON Crack

JSON Crack

ToDiagram
GraphicConverter 11

GraphicConverter 11

Lemke Software
Katana

Katana

Foundry
Liquid Studio

Liquid Studio

Liquid Technologies

Categories

Categories

Integrations

No info available.

Integrations

No info available.
Claim DevKnife and update features and information
Claim DevKnife and update features and information
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Claim SafeJSON and update features and information