PrivConvert

Data tool

File Hash

Calculate SHA hashes for a file or pasted text.

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 500 MB max
Upload 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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Keep working with this file

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How it works

How to use File Hash online

  1. Upload 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

Upload 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.

Are my files private?

File Hash uses Web Crypto in the browser. Selected files are processed locally when the required browser features are available, while application, library, model, security, and limited analytics requests may load separately.

What limits should I know about?

1 file · 500 MB max. Very large, encrypted, damaged, or unusual files may not be supported by every browser.