PrivConvert

Data tool

File Hash

Calculate SHA hashes for a file or pasted text.

Input
Choose a any file file or paste text
Output
JSON files
Limits
1 file · 500 MB max

Processing runs on your device when supported. Network requests may load the app and supporting assets. Privacy details

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 500 MB max
Choose a any file file or paste textResult: JSON files
  • Your file stays in this browser while the tool runs.
  • Large table previews are capped; downloads keep the complete processed output.

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How it works

How to use File Hash online

  1. Choose a any file file or paste text. The tool validates the published file type and size limits before the run.
  2. 1 adjustable setting. Review these settings before processing.
  3. Run the tool in your browser, review the result, and download the json files.

Overview

File Hash with local-first browser processing

Calculate SHA hashes for a file or pasted text. Review supported input, output format, settings, browser requirements, and practical limits before starting.

Input

Choose a any file file or paste text

Output

JSON files

Limits

1 file · 500 MB max

Best for

File Hash use cases

  • Prepare the json files for sharing, archiving, or another file workflow.
  • Process the job in your browser without creating an account.
  • Check the published limits before processing larger or unusual inputs: 1 file · 500 mb max.

Processing

What happens in your browser

PrivConvert uses Web Crypto for this workflow. 1 adjustable setting. No special browser capability is required for typical inputs

Your file stays in this browser while the tool runs.

Related tools

Barcode GeneratorBase64 to FileCreate ZIPCSV to ExcelCSV to JSONExcel to CSV

FAQ

File Hash questions

See how privacy works

Is File Hash free to use?

Yes. This tool is free to use in your browser and does not require an account.

Is processing local?

File Hash uses Web Crypto in the browser. Selected input is processed on your device when the required browser features are available. Application, library, model, security, and limited analytics requests may use the network.

What limits should I know about?

1 file · 500 MB max. Browser memory and format support also limit the files this tool can process.