Applets Work - Free Online Tools

Generate random UUIDs (v4).

Format and validate JSON data.

Generate placeholder text.

Create custom QR codes.

Generate CSS box-shadows visually.

Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes.

Test and debug regular expressions.

Encode and decode text in various formats.

Count words, characters, and lines.

Generate strong, secure passwords.

Preview Markdown as HTML.

Compare two texts and highlight differences.

Transform text case and remove whitespace.

Calculate age from date of birth.

Calculate percentages easily.

Solve rule of three problems.

Generate random numbers.

Calculate Body Mass Index.

Create countdown timers with notifications.

Convert Celsius, Fahrenheit, Kelvin.

Convert between different units of measurement.

Convert images to Base64 encoded strings.

Convert colors between HEX, RGB, and HSL formats.