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Free developer tools

Small utilities I keep online for everyday DevOps work. No signup, and everything runs in your browser.

Password generator
UUID generator
Base64
Quartz cron
Linux crontab
Diff checker

Strong password generator

Password length Include special characters (!"#$%&'()*+,-./:;<=>?@[]^_`{|}~)

Password

GUID / UUID generator

How many (1 to 1,000)

Format

Hyphens {} Braces "" Quotes Commas

Lowercase Uppercase Mixed case

Encoding

Base64 RFC 7515 URL encode

Copy automatically

Results

Base64 encode and decode

Text to encode

Base64 to decode

Result

Quartz cron expression builder

Seconds

Minutes

Hours

Day of month

Month

Day of week

Expression Explain an expression

In plain English

Linux crontab builder

Minutes

Hours

Day of month

Month

Day of week

Expression Explain an expression

In plain English

Diff checker

Compare two blocks of text line by line and character by character, with a summary of what was added, removed and changed.

Open the diff checker

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