Comprehensive collection of cryptographic utilities, data converters, and web development tools. All tools work in your browser with no registration required.
Secure cryptographic tools for hashing, encryption, and key generation
Convert between different data formats and encoding systems
Essential web development utilities and analyzers
Generate SHA256, MD5, SHA1 hashes from text online. Free cryptographic hash calculator for data inte...
Generate secure random tokens and API keys online. Free cryptographic token generator for authentica...
Encode and decode Base64 strings online. Free Base64 converter for text, URLs, and binary data with ...
Convert Unix timestamps to human-readable dates and vice versa. Free online epoch time converter wit...
Encode and decode URLs with percent encoding online. Free URL encoder for query parameters, special ...
Generate TOTP and HOTP codes online. Free two-factor authentication code generator compatible with G...
All tools run directly in your browser with instant results
No data is sent to servers - everything processes locally
No registration, no limits, no hidden costs
Can't find the tool you're looking for? We're always expanding our collection based on user feedback and requests.
Send us your suggestions or tool requests at:
dajingdian1956@gmail.com