Developer.

Emits eight version-4 UUIDs per draw, built on crypto.getRandomValues() — 122 bits of true randomness each. That's the identifier the industry reaches for when a collision simply isn't allowed.

Use it for database keyssession idsfile namestest fixtures

The same 128-bit value as a UUID, dressed the way Microsoft-style stacks print it: uppercase, wrapped in braces — {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}. Braces are optional with one toggle.

Use it for .NET configsregistry keysCOM classesSQL seeds

Compact, URL-safe identifiers from the nanoid alphabet (A–Z, a–z, 0–9, _ and -). Pick the length — the classic 21 characters carries roughly the same entropy as a UUID v4, in half the space.

Use it for short linksapi keysdocument idsinvite codes

Turns any text or URL into a scannable QR code rendered locally — the payload never leaves the page. Choose the output size and the error-correction level: L packs the most data, H survives the most damage.

Use it for wifi sharingevent linksprint materialspackaging

Renders classic Code 39 barcodes on a canvas — one of the most widely supported 1-D symbologies. It accepts A–Z, 0–9, space and - . $ / + %, and wraps your text in the standard * start/stop markers automatically.

Use it for asset tagsinventorylabelsprototypes

Builds an array of realistic JSON records — id, uuid, name, email, age, city, active flag and a joined date — perfect for seeding APIs, demos and UI mockups without touching real user data.

Use it for api mocksfrontend demostest suitesdocs samples

Produces a clean CSV table with header — id, name, email, age, city, joined — with as many randomized rows as you need. Download it as a real .csv and open it in any spreadsheet.

Use it for spreadsheet testsimport demosetl fixturesclassroom data

The classic placeholder, by the unit: paragraphs, sentences or raw words, assembled from a Latin word bank with natural length variation, capitalization and punctuation. Click any block to copy just that one.

Use it for wireframesprint layoutstype specimenscms demos