Create QR codes, passwords, UUIDs, and more.
Tools tagged generator produce something from a configuration — a UUID from a version choice, a password from length and charset, a QR code from text. All deterministic given identical inputs (except where randomness is the point).
Generate QR codes from text, URLs, or any data. Download as PNG.
Generate UUID v4 and v7 identifiers. Bulk generate and copy.
Generate placeholder text by paragraphs, sentences, or words.
Generate strong passwords with configurable length and character types.
Generate favicon PNGs for every platform from a single source image. All processing in your browser.
Generate arrays of realistic fake data for testing — users, products, addresses, and custom schemas.
Visually design CSS box-shadows with a live preview. Supports multi-layer stacks.
Design linear, radial, and conic CSS gradients with a live preview.
Visually design CSS border-radius shapes — from simple rounded corners to organic blobs.
Generate CODE128, EAN13, UPC, and other linear barcodes. 100% in-browser.
Generate HMAC signatures (SHA-1/256/384/512) from a message and secret key. Uses WebCrypto.
Generate BIP39 seed phrases (12/15/18/21/24 words) offline in your browser. Useful for cryptocurrency wallets.