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Your files stay on your device

File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.

How we handle your data

Local text utility

Accept-Language parser

Read language preferences and weights from a pasted HTTP header.

Text stays in your browser.

Try an example

The input above starts with this sample:

en-US,en;q=0.9,ru;q=0.7

Run the tool. The result should contain:

en-US