Plain Text File Editor

Read text files locally with the browser File API, edit without uploading, normalize line endings, and save a new file.

Open local text file

Download line endings

No file loadedText is read with the browser File API and is not uploaded.

Notes and files stay in this browser unless you explicitly copy, print, or download them. Browser storage can be cleared by private mode, site-data cleanup, or browser settings, so export important notes.

How to use this Plain Text File Editor

Open a local plain-text file, edit it in the browser, and download the revised copy. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.