Privacy-FirstDeveloper Toolbox
Essential developer tools that work entirely in your browser. No servers, no tracking, no data collection. Just pure functionality.
100% Client-side
Lightning Fast
Works Offline
Tool Categories
Organized collections of essential developer utilities
JSON Tools
2 toolsJSON validation, formatting, and manipulation
JSON Formatter
JSON Validator
Security & Hashing
3 toolsPassword hashing, encryption, and security tools
Password Hash
Hash Generator
Password Generator
ID Generators
3 toolsGenerate UUIDs, random data, and identifiers
UUID Generator
NanoID Generator
Lorem Ipsum
Encoding & Decoding
3 toolsBase64, URL encoding, and data conversion
Base64 Encoder/Decoder
URL Encoder/Decoder
HTML Entities
Text Processing
3 toolsText manipulation, diff, and formatting tools
Text Diff
Case Converter
Regex Tester
Time & Date
3 toolsUnix timestamps, timezone conversion, and date tools
Unix Timestamp
Timezone Converter
Date Calculator
Why Choose Tinkr?
Built with privacy and performance in mind
Privacy First
All processing happens locally. Your data never leaves your device.
Lightning Fast
Instant results with no server round trips or loading delays.
Works Offline
Once loaded, all tools work without an internet connection.