Free Browser Tools
For Developers & Creators
Fast, secure and privacy-first. No data ever leaves your browser.
- 100% Client-Side Local Execution
- Zero Server Transmission & Total Privacy
- Instant Web Crypto API Hardware Calculations
All Tools
10 toolsSecurity
Random Password Generator
Generate cryptographically secure, high-entropy random passwords.
Security
JWT Secret Generator
Generate 256, 512, and 1024-bit high-security secret keys for HMAC SHA-256/512 tokens.
Developer
UUID v4 & v7 Generator
Generate random UUID v4 and time-ordered UUID v7 unique identifiers in bulk.
Security
Hash Generator
Generate SHA-256, SHA-384, SHA-512, SHA-1, and MD5 cryptographic hashes for any text.
Developer
JSON Formatter & Minifier
Pretty print, minify, syntax highlight, and clean your JSON payloads.
Developer
JSON Validator
Validate JSON syntax structure and pinpoint parsing error line & column numbers.
Security
JWT Decoder
Decode JSON Web Tokens (JWT) into Header, Payload, and Signature without sending token data anywhere.
Utilities
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to plain text with full UTF-8 Unicode support.
Utilities
URL Encoder / Decoder
Percent-encode special characters in URLs or decode URL-encoded parameter strings.
Developer
Lorem Ipsum & Developer Mock Data Generator
Generate placeholder text, developer mock profile data, and mock JSON arrays.
Why are browser-based tools safer?
Traditional converters send your data to remote servers. Creetivelab tools run entirely in your browser — your data never leaves your device.
100% Local Execution
All calculations execute directly inside your device processor.
Zero Data Transmission
No API calls or remote requests are ever made.
Hardware-Backed Crypto
OS hardware entropy for uncrackable cryptographic randomness.