JSON Formatter
Format, minify, and validate JSON text in your browser.
UUID generator
Generate RFC 9562 UUID v4 or v7 values in batches, with uppercase output, individual copying and text download.
About this tool
Generate RFC 9562 UUID v4 or v7 values in batches, with uppercase output, individual copying and text download.
How to use
Choose v4 or v7, set the quantity and letter case, and the results appear immediately. Generate again for a fresh batch, copy individual values or download the whole list.
Uses cryptographically secure browser randomness, up to 1,000 UUIDs per batch. UUID v7 includes a millisecond timestamp; values generated within the same millisecond are not guaranteed to increase monotonically. Identifiers are not substitutes for passwords or access tokens.
Related tools
Timestamp Converter
Convert Unix seconds or milliseconds into local, ISO, and UTC time.
HTML Editor
Edit HTML, CSS, and JavaScript with a network-enabled sandbox preview.
Text to Base64 converter
Convert UTF-8 text to Base64 and back instantly, with standard and URL-safe formats and full support for Unicode and emoji.
Comments
0