Free Online Tools

Free online tool

UUID v4 Generator

Generate multiple secure UUID v4 values directly in your browser.

Number to generate

Result

No UUIDs yet. Choose a count and select Generate.

How to use

Select how many UUIDs you need.
Select Generate UUID.
Copy the generated UUIDs, one per line.
Use Reset to return to the initial state.

JSON Formatter

Format JSON with two-space indentation and identify syntax errors.

Base64 Encoder / Decoder

Encode UTF-8 text to Base64 or decode Base64 back to text.

Timestamp Converter

Convert Unix timestamps and local date-time values in seconds or milliseconds.