Hash Generator (SHA-256 / 512 / 1)
Calculate cryptographic checksums for text or files using hardware-accelerated WebCrypto SubtleCrypto APIs.
How It Works
Input Text
Type or paste the string you want to hash.
SubtleCrypto
Hashes are calculated natively via crypto.subtle.
Copy Hashes
Copy SHA-256, SHA-512, or SHA-1 hashes directly.
Guaranteed Privacy
Unlike cloud converters, zero bytes of your document or image are sent over the network.
Instant Speed
No upload queue, no download wait times. Processing is powered by your own CPU & GPU.
No Arbitrary Limits
No 50MB file size ceiling or hourly usage caps. Handle heavy files right on your hardware.
Frequently Asked Questions
Why does SubtleCrypto matter?
Related Text & Dev
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload, and expiry dates.
URL Encoder / Decoder
Encode or decode strings to URI-safe percent-encoded format.
Lorem Ipsum Generator
Generate customizable placeholder text by paragraphs, sentences, or words.
Duplicate Line Remover
Deduplicate lists, remove empty lines, and sort alphabetically.