Checkers and Generators
Password strength and generator, MD5 and SHA hashes, file checksums, UUIDs and colors. 12 free tools. Each one runs in your browser, shows a worked example table, and explains how it gets its answer.
Try it now: Password Generator
Password generator
Pick a length and the kinds of characters.
Result
Your password
Strength
Character pool
Private: Everything runs in this page. Nothing you type is sent anywhere or saved.
All checkers and generators
- Password Strength CheckerEstimate how hard a password is to guess, without sending it anywhere
- Password GeneratorMake strong random passwords in your browser
- Hash Generator (SHA-256, SHA-1, SHA-512)Hash text with SHA-1, SHA-256, SHA-384 and SHA-512
- UUID Generator (Version 4)Generate random UUIDs and check whether one is valid
- Color Converter (HEX, RGB, HSL)Convert colors between HEX, RGB and HSL
- Lorem Ipsum GeneratorMake placeholder paragraphs, sentences or words
- Color Contrast Checker (WCAG)Check text and background contrast against WCAG AA and AAA
- MD5 Hash GeneratorMake the MD5 hash of any text
- SHA-1 Hash GeneratorMake the SHA-1 hash of any text
- SHA-384 Hash GeneratorMake the SHA-384 hash of any text
- SHA-512 Hash GeneratorMake the SHA-512 hash of any text
- File Checksum Calculator (MD5, SHA-256)Get the checksum of a file without uploading it