SAFE
Free Security tool

Subresource Integrity Generator

Create a SHA-384 integrity value for pasted file content.

Private by design

The working input is processed in this browser and is not stored by 247888.

About this tool

What does Subresource Integrity Generator do?

Create a SHA-384 integrity value for pasted file content. The workspace keeps the input and result together, making it easy to check the change before you use it elsewhere.

For example, you can create a SHA-384 integrity value for pasted file content when preparing a development or deployment value.

What you can control

Subresource Integrity Generator stays deliberately simple: add the content, run the tool, and review the result.

How to use Subresource Integrity Generator

  1. 1

    Paste or type the content you want to work with.

  2. 2

    Review the content and correct anything you do not want carried into the result.

  3. 3

    Run Subresource Integrity Generator, review the output, then copy or download it where available.

Tips for a better result

  • Compare the Subresource Integrity Generator output with a known-good value when the result affects a real system.
  • Read the complete result rather than relying on the first line or preview alone.
  • Do not treat inspection or encoding as verification, encryption or permission to trust the source.

Frequently asked questions

Is my input private when I use Subresource Integrity Generator?+

Subresource Integrity Generator processes the value locally in this browser. Use a trusted device and never paste a secret if the surrounding system may be compromised.

What should I check after using Subresource Integrity Generator?+

Do not treat inspection or encoding as verification, encryption or permission to trust the source.

Try “make image smaller”, “jpg into pdf”, “pretty json” or “count my words”.