100% client-side — files never leave your browser
Utilities
The miscellaneous drawer: verify a download against its published checksum (MD5, SHA-1, SHA-256, SHA-512, CRC32), scan a barcode or QR code from a screenshot or photo, or render an image as ASCII art.
Like every UltraConvert tool, these run fully client-side — the file you're hashing or the code you're scanning stays on your device.