About BuiltItDev
BuiltItDev is a free, browser-based tool hub built for developers, designers, and finance professionals. Powerful utilities — instantly accessible, with no accounts, no installs, and no waiting.
39+
Free Tools
5
Categories
0
Signups Required
100%
Browser-Based
Our Mission
The internet is full of tools that require account creation just to format a JSON string, or charge a monthly subscription to generate a UUID. That friction slows professionals down.
BuiltItDev was built to eliminate that. Everything you need — from Base64 encoding to compound interest calculations to AES-256 encryption — available instantly, for free, forever.
We fund the site through unobtrusive advertising, which means you get professional-grade tools at zero cost.
Why BuiltItDev?
Instant & Always Free
Every tool loads in milliseconds and is completely free to use — no subscriptions, no freemium limits, no upsells.
Zero Data Collection
All processing happens in your browser. We never see your code, files, passwords, or financial data.
Built for Professionals
From JWT decoders and regex testers to EMI calculators and AES-256 encryption — tools built to professional standards.
Works Everywhere
No installation, no account, no OS requirement. Open any modern browser and start working immediately.
Tool Categories
Developer Tools
JSON formatter, Base64, UUID, Regex, JWT decoder, SQL formatter, Diff checker, Hash generator and more
Security Tools
AES-256-GCM text encryption, TOTP code generator, password strength analyser, hash generator
Design Tools
Color converter, CSS gradient generator, box shadow builder, image compressor, colour palette generator
Text Tools
Word counter, Markdown preview, Lorem Ipsum generator, HTML encoder, text case converter
Finance Tools
EMI, SIP, GST, compound interest, FD calculator, salary estimator, discount calculator and more