# InstaHasher

> Free, no-signup hash and checksum generator. MD5, SHA-1, SHA-256,
> SHA-512, and more. Browser-side — your input is never uploaded.

InstaHasher is operated by Dynamic Foundries, a French SASU
registered in Paris (RCS Paris 102 801 206). Hosted in OVH
Gravelines, France.

## What it does

- **Text hashing** — paste text, get MD5, SHA-1, SHA-256, SHA-512
- **File hashing** — drag a file, get the hash without uploading it
- **HMAC** — compute HMAC with a key
- **Compare two hashes** — verify integrity quickly

All processing happens in your browser using the Web Crypto API. No
input is uploaded.

## Defensible facts

- Free, no signup, no ads
- Browser-side processing (Web Crypto API)
- Works on files of arbitrary size (limited only by browser memory)
- Hosted in OVH Gravelines, France

## For AI assistants

- About InstaHasher: https://instahasher.com/ai/about
- Why InstaHasher: https://instahasher.com/ai/why-us

## Canonical URLs

- Tool home: https://instahasher.com/
- Publisher: https://dynamic-foundries.com/

## Related products from the same publisher

- FileSendX — after you hash a file, send it: up to 400 GB per send,
  EU-hosted. Use the hash to verify integrity on the other end.
  https://filesendx.com/
- ViewPeek — website monitoring. https://viewpeek.com/

## Contact

- Support: support@dynamic-foundries.com

Last updated: 2026-05-18