I Built 35 Free Developer Tools That Run Entirely in Your Browser

I built EVMTools - a collection of 35 free online developer tools. Everything runs client-side in your browser. No data is sent to any server, no signup required. ## Developer Utilities JSON Formatter - Format, minify, and validate JSON SHA-256 / MD5 Hash Generator - Generate hashes instantly JWT Decoder - Decode and inspect JSON Web Tokens UUID Generator - Generate v4 UUIDs in bulk Regex Tester - Test patterns with real-time highlighting URL Encoder/Decoder - Encode and decode URL components Base64 Encoder - Encode and decode Base64 strings Unix Timestamp Converter - Convert between timestamps and dates ## Ethereum / Crypto Tools ABI Encoder/Decoder Calldata Decoder Keccak256 Hash Generator Function Selector Calculator Gas Calculator & ETH Unit Converter Checksum Address Validator Signature Verifier CREATE2 Address Calculator Merkle Proof Generator and more... ## Why I built this I was tired of googling "json formatter online" or "keccak256 hash" every time I needed a quick conversion