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utils.sbs

Documents tool

Document Outliner

Turn headings into a clean nested outline.

Runs on-deviceNo sign-upFree
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Document Outliner workspace

Workspace

Document Outliner

Runs locally
318 chars · 62 wordsStays in this tab
Output

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Document Outliner is a free browser-based documents tool. Turn headings into a clean nested outline. It runs with JavaScript locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Document Outliner?

Document Outliner is a free browser-based documents tool from utils.sbs. Turn headings into a clean nested outline. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategoryDocuments
InputPlain text, code, markup or JSON
OutputA downloadable text or code file
EngineJavaScript
ProcessingIn your browser
PriceFree
AccountNot required

How Document Outliner works

Text is processed in the browser with JavaScript and downloaded from a local blob. Nothing is uploaded.

How to use Document Outliner

  1. 1Open Document Outliner and add your input.
  2. 2Use the default settings, or choose the format or detail level that matches your goal.
  3. 3Run the tool, check the preview or result, and download the output.

When to use Document Outliner

  • Clean, transform or compare text before using it elsewhere.
  • Convert markup, JSON or structured text between formats.
  • Count, format or inspect content quickly in the browser.

Limitations

Very large inputs may be limited by the browser's available memory.

Privacy and accuracy

Document Outliner processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Document Outliner questions

  • What can I do with Document Outliner?

    Turn headings into a clean nested outline. Document Outliner is part of the Documents shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is Document Outliner free to use?

    Yes. Document Outliner is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use Document Outliner?

    No. Document Outliner is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does Document Outliner support?

    It works with plain text, code, markup and structured text, and returns a downloadable text file.

  • Can I use Document Outliner on my phone?

    Yes. Document Outliner is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Keep going

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