DevKitHub
Developer utilities, offline and secure. Mac/Linux/Windows.
DevKitHub launched on May 6, 2025 with 8 votes, #2,977 of 7,905 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Stop pasting your data into random websites. DevKitHub offers over 40 essential developer tools, including generators, converters, and debuggers, all designed to work offline for maximum privacy. Compatible with Mac, Windows, and Linux.
The ultimate developer toolkit: JSON formatter, REST API tester, regex tester, Base64 encoder, JWT decoder, image optimizer, and 70+ more tools. 100% offline, zero telemetry, free forever.
75+ essential utilities in one fast desktop app. 100% offline. Zero telemetry. All platforms. Stop switching between browser tabs and signing up for services. Everything works instantly, offline. Format, validate, minify, and explore JSON with a tree view. Handles multi-MB files instantly — no browser limits. Decode, inspect, and verify JWTs instantly. Color-coded header, payload, and signature sections with expiration checks. Generate realistic mock data — users, addresses, transactions — in JSON, CSV, or SQL. Perfect for testing and prototyping. Compare two texts side-by-side with highlighted insertions and deletions. Spot changes instantly with color-coded diffs. Unlike online tools,…from devkithub.com
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https://www.onlinetoolhub.dev2025 · onlinetoolhub.dev · ▲22Privacy-first online tools for devs & creators
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