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Hash Tool for Windows 10 (Text + File)

Generate a checksum for text or a file and compare it to an expected value—similar to what you’d do on Windows 10 with certutil -hashfile. Outputs are lowercase hex.

Category: Developer · URL: /tools/hash-tool-windows-10.html
Output: lowercase hex
Tip: for large files, hashing reads the file into memory. A safety limit is applied.
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Use it for quick integrity checks on Windows 10 downloads (installers, ISOs, archives) or for hashing strings.

  1. Select the algorithm (SHA-256 is the usual default).
  2. Either paste text or choose a file.
  3. (Optional) Paste an expected checksum to auto-compare.
  4. Click Hash Text or Hash File, then copy the result.

Windows 10 commands: certutil -hashfile "C:\path\file" SHA256 or PowerShell Get-FileHash -Algorithm SHA256 "C:\path\file".

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Secondary intents covered: Generate a SHA-256/SHA-1/SHA-384/SHA-512/MD5 hash for a file, Generate a hash for pasted text, Compare a computed hash to a published checksum, Verify downloaded installers/ISOs/ZIPs on Windows 10, Find the equivalent Windows 10 command (certutil / Get-FileHash), Copy a checksum quickly for support tickets or CI logs, Troubleshoot why a checksum mismatch happens, Choose which hash algorithm to use for integrity checks

FAQ

How do I check a file hash on Windows 10 without installing anything?

Use certutil -hashfile "C:\path\file" SHA256 or PowerShell Get-FileHash -Algorithm SHA256.

Which hash should I use to verify downloads?

Use SHA-256 unless the publisher provides a different algorithm; it’s the most common for integrity checks.

Why does my computed hash not match the published checksum?

Common causes are a different file version, an incomplete/corrupted download, or using the wrong algorithm.

Is MD5 OK for verifying files?

MD5 can detect accidental corruption, but it’s not collision-resistant; prefer SHA-256 for security-sensitive checks.

Does this tool upload my file to a server?

No—hashing runs locally in your browser and this tool does not perform network requests.

Why is there a file size limit?

In-browser hashing may load the whole file into memory; the limit helps prevent crashes on low-RAM devices.

What output format does the tool use?

Lowercase hexadecimal with no spaces; the compare box ignores non-hex characters.