UUID Generator
Generate UUIDs for apps, tests, and databases.
- On your device
- No signup
Private on your device
Your information stays on your device and is not uploaded.
Generate UUIDs for apps, tests, and databases.
Convert between Unix timestamps and human-readable dates.
Generate fake JSON records from a simple schema.
Generate SHA-256, SHA-384, and SHA-512 hashes.
Format, minify, and validate JSON with optional key sorting.
Compare two JSON documents and list structural differences.
Format, minify, and validate XML with readable indentation.
Compare two XML documents and list structural differences.
Create Universally Unique Lexicographically Sortable Identifiers with a timestamp prefix and random suffix. Generate one or many ULIDs on your device.
Open the ULID Generator form on this page, enter the values or file required for your task, and run the tool. Review the results panel and adjust inputs as needed. Your data stays on your device and is not uploaded.
Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs) locally with a timestamp prefix and random suffix. ULIDs are never stored or sent to a server.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Your data stays on your device and is not uploaded.
FAQ
Yes. It is free to use and you do not need to sign in or create an account.
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.
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