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Developer & Data

Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

Verify a download against a published checksum, or fingerprint a value before comparing it. SHA digests use the browser's native crypto implementation; MD5 is included for legacy compatibility only.

4 min readUpdated 2026-11-04

Key facts

Category
Developer & Data
Price
Free
Account
Not required
Processing
In your browser
Input
Local files or pasted data
Platform
Modern desktop and mobile browsers

What it does

Verify a download against a published checksum, or fingerprint a value before comparing it. SHA digests use the browser's native crypto implementation; MD5 is included for legacy compatibility only.

Generate MD5, SHA-1, SHA-256 and SHA-512 digests for text or files.

How to use it

Here is the short version of using Hash Generator.

  • Enter text or drop a file — Files are read with the FileReader API and hashed in memory.
  • Pick the algorithms — Generate one or several digests at once; results are lowercase hex by default.
  • Copy the checksum — Compare with the published value or paste it into your verification script.

Features that matter

What Hash Generator does well.

  • Nothing leaves your device — The work happens in your browser tab. There is no upload endpoint in this app, so your files and text cannot be stored, logged or seen by us.
  • No upload wait — You skip the round trip to a server entirely. Results are limited by your own CPU, not by network speed or queue size.
  • Free, no account, no quotas — No sign-up wall, no watermark, no daily limit. Optional accounts only exist to save favourites and presets across devices.

Frequently asked questions

Is my data safe to use here?

Yes. This tool runs entirely in your browser using JavaScript. Nothing you paste or open is sent to a server, and the page keeps no copy after you close it.

Do I need to create an account?

No. Every tool is fully usable without signing in. An account only adds saved favourites and reusable presets.

Does it work on a phone?

Yes. The interface is mobile-first with large touch targets and a stacked layout, so it works on phones and tablets as well as desktops.

Is MD5 still safe?

No. MD5 and SHA-1 are broken for security purposes and must not be used for signatures or password storage. They remain useful only for detecting accidental corruption or matching legacy checksums.

Which algorithm should I use?

Use SHA-256 for checksums and integrity checks, SHA-512 where a longer digest is required, and a dedicated password hash such as bcrypt or Argon2 for credentials — never a plain SHA digest.

Open Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

Try it now — it runs in your browser and needs no account.

Open the tool