UUID Validator
Check canonical UUID formatting and inspect version bits.
Tool inputs stay in your browser · optional AI search sends your query
Good to know: Checks hyphenated hexadecimal shape and exposes version/variant bits. Does not certify generation randomness, uniqueness, timestamps or application acceptance.
How to use it (step by step)
- 1Type or paste your text into the “Input” box. There is already an example in it so you can see how it works; press Clear to start with your own.
- 2The answer appears right away in the “Result” box. No button needed.
- 3Press Copy and paste the result wherever you need it.
Words to know
- UUID
- A long random ID that is practically guaranteed to be unique.
- Hex / binary
- Other ways of writing numbers. Binary uses only 0 and 1; hex uses 0–9 and A–F.
More in Developer
Semantic Version (SemVer) Calculator & Range CheckerCompare versions, see the next major/minor/patch, and check if a version matches npm ranges like ^1.2.0 or ~2.1.SQL IN Clause Generator (List to IN (…))Turn a pasted list (from Excel, emails, IDs) into a SQL IN (…) clause with quotes, escaping and duplicates removed.List to Array Converter (JSON, JS, Python, PHP…)Turn a pasted list into an array for JSON, JavaScript, Python, PHP, Java, C#, Go or a comma-separated line.cURL to Code Converter (fetch, Axios, Python, PHP)Paste a curl command (from API docs or Chrome “Copy as cURL”) and get JavaScript fetch, Axios, Python requests or PHP code.Markdown Table of Contents GeneratorPaste a Markdown document and get a clickable table of contents with GitHub-style links.Common Regex Patterns (Email, URL, PH Mobile…)Ready-made regular expressions for email, URL, Philippine mobile numbers, IP, dates, passwords and more — explained and testable.