This site uses privacy-friendly, first-party analytics to see which pages and tools are useful. No data is shared with third-party trackers or advertisers. Learn more

Tools · Text · UUID generator

UUID generator

Generate v4 UUIDs, in bulk, entirely in your browser.

Drop a file here, or choose one.

Runs fully in your browser. Nothing is uploaded.

How it works

  1. Choose how many UUIDs you need.

  2. Pick a format - case, hyphens, and braces.

  3. Copy or download the list.

Frequently asked questions

Yes. Every UUID is generated with the Web Crypto API's random number generator, not Math.random() - the same quality of randomness browsers use for security-sensitive values.

Version 4 - the general-purpose random kind, and the one almost every use case actually needs.

Yes, up to 1,000 in a single batch.

No. There's no input to send in the first place - every UUID is generated and formatted in your browser.

Related tools

Word and character counter

Count words, characters, sentences, and paragraphs live as you type or paste, with reading and speaking time estimates.

 Case converter

Convert text between UPPERCASE, lowercase, Title Case, and programming cases like camelCase, snake_case, and kebab-case, live.

 Slug generator

Turn a title into a clean, URL-safe slug, live as you type.

 JSON formatter and validator

Validate JSON as you type, pretty-print it or minify it, and see the exact line and column of any syntax error.

 Base64 encode and decode

Encode text to Base64 or decode Base64 back to text, live, with full support for Arabic and other non-Latin scripts.

 URL encode and decode

Percent-encode text for use in a URL, or decode a percent-encoded string back to readable text, live.

 Hash generator

MD5, SHA-1, SHA-256, SHA-384, SHA-512 - entirely in your browser.

 Lorem ipsum generator

Generate placeholder text - paragraphs, sentences, or words.

 Diff checker

Compare two texts, entirely in your browser.

 Regex tester

Live regex matching, entirely in your browser.

 QR code generator

Turn text or a URL into a scannable QR code, in color, downloadable as PNG or SVG - nothing ever leaves your browser.

 WiFi QR code generator

Turn a network name and password into a QR code guests can scan to join instantly - nothing ever leaves your browser.

 CSV to JSON converter

Convert CSV to JSON or JSON to CSV, live as you paste - nothing ever leaves your browser.

 HTML to Markdown converter

Convert pasted HTML into clean Markdown, live - nothing ever leaves your browser.

 Markdown to HTML converter

Preview Markdown as HTML live and copy the result - raw HTML in your Markdown is shown as plain text, never executed.

 QR code reader

Upload an image containing a QR code and get back the exact text or link it encodes, entirely in your browser - nothing is uploaded.

 JWT decoder

Decode a JWT's header and payload to readable JSON entirely in your browser - exp, iat, and nbf render as real dates instead of epoch numbers, and the signature is shown exactly as received, never verified.

Comments

  1. No comments yet. Be the first to share your experience.
Your rating (optional)

No rating selected