Our Story
Developer tools that actually respect your privacy.
Web Developer Toolbox was born from a simple frustration: every useful developer utility online was either behind a paywall, sent your data to unknown servers, or buried under ads. We built something better — a single platform with 127+ free, client-side tools that work instantly, privately, and offline.
- 127+
- Free Tools
- 19
- Tool Categories
- 50,000+
- Developers Served
- $0
- Cost to Use
Our Mission
Every developer deserves great free tools.
We believe that developer productivity tools should be universally accessible — regardless of budget, employment status, or location. Web Developer Toolbox is our commitment to that belief: a platform that will always be free, always run in the browser, and always put your privacy first.
Every tool on this platform processes data entirely in your browser using modern Web APIs. When you paste a JWT, generate a password, or hash a value, that data never travels over the network. It never touches our servers. It never appears in our logs. This is not a compromise — it's a deliberate architectural choice, and we will never change it.
We sustain the platform through non-intrusive advertising (Google AdSense) that keeps the lights on without compromising the user experience or the privacy guarantees above. No paywalls, no feature gating, no freemium tiers.
What We Stand For
Our core values
Privacy First
Every tool runs 100% in your browser. Passwords, tokens, and API keys never leave your device — zero server-side processing.
Instant & Free
No signup, no subscription, no paywalls. Open a tool, use it immediately. Everything is free forever.
Built for Developers
Every design decision is made with developer experience in mind — keyboard shortcuts, command palette, dark mode, and shareable tool URLs.
Continuously Growing
Starting from 60+ tools and expanding rapidly. We add new utilities based on community requests and real developer workflows.
What We Offer
127+ tools across 19 categories
JSON & Data →
Format, validate, convert, and diff JSON, YAML, CSV, and XML.
Encoding & Decoding →
Base64, URL, HTML entities, Hex, and more — encode and decode instantly.
Security & Crypto →
Hash generators, password generators, JWT decoders, and UUID generators.
CSS & Design →
Gradient builder, box shadow generator, flexbox playground, and color tools.
Code Formatters →
Beautify JavaScript, TypeScript, HTML, CSS, SQL, and more with one click.
Text Utilities →
Regex tester, diff checker, markdown preview, word counter, and case converter.
Generators →
Cron expression builder, Lorem Ipsum generator, QR code creator, and more.
Date & Time →
Unix timestamp converter, timezone calculator, and date formatting tools.
Ready to explore?
No account needed. Jump straight in and start using 127+ free developer tools right now.