OPML Outline Builder | Free Online Tool

What is the OPML Outline and Subscription List Generator?

Converts the indent outline or the Feed list to OPML 2.0 to support text nodes and RSS XML URLs. ToolHub places the core operation in the browser, allowing both desktops and action devices to be used immediately, without registration of account numbers or sending content back to the back.

How to use this tool?

Enter the data according to the field prompts and select the required processing method.
Click "Process Now" to view the results, indicator summary and necessary error messages.
After confirming that the content meets actual needs, you can copy the results or download them into files for further use.

Suitable use cases

RSS Reader Retrieval, Knowledge Outline, Podcast Subscription and Bookmark Exchange. All processing is currently done in the page break, especially for workflows that do not want to post in-house information to a remote service.

Interpretation of results and precautions

The tool validates the basic input format and provides readable error messages, but the formal environment should be reconfirmed according to source specifications, business rules or professional requirements.

Browser and device support

OPML Outline Builder supports current Chrome, Edge, Firefox, and Safari releases. Mobile and desktop layouts use the same validation rules documented on this page.

Frequently Asked Questions

OPML Outline and Subscription List Generator will upload the information to the server?

No. Tool functions are executed directly within the current browser tab, and input and generated results will not be uploaded or saved by ToolHub.

What are the conditions for the OPML outline and subscription list generator?

RSS Reader Remittance, Knowledge Outline, Podcast Subscriptions and Bookmarks Exchange

Do you want to install software before using OPML outlines and subscription list generator?

No need. Use a desktop or mobile browser that supports modern JavaScript, and no account is required.

What are the limitations of this tool?

App supports the custom Attribute, so that the original list can be retained before the transfer.

Is manual inspection required after the results are generated?

Needed. Tools can assist with calculations, conversions, or formatting, but before going online, importing data, or making business decisions, the results should still be reviewed according to actual specifications.

OPML Outline Builder: inputs, output, and reproducible example

Use the free OPML Outline Builder online. Fast, private, mobile-friendly, and processed directly in your browser.

What this page actually processes

Field	Control	Default example	Validation role
OPML Title	Text	`ToolHub Subscription List`	OPML Title is read by the browser as a text value before the tool runs.
Input Format	Selection	`Feed List`	Input Format is read by the browser as a selection value before the tool runs.
Contents of the list	Multiline text	`ToolHub Blog \| https://example.com/feed.xml \| https://example.com/ Tech News \| https://news.example.com/rss \| https://news.example.com/`	Contents of the list is read by the browser as a multiline text value before the tool runs.

Reproduce the built-in example

Start with OPML Title = ToolHub Subscription List; Input Format = Feed List; Contents of the list = ToolHub Blog | https://example.com/feed.xml | https://example.com/ Tech News | https://news.example.com/rss | https://news.example.com/, then run OPML Outline Builder. Change one input at a time so the effect on the result remains traceable.

After validating opml title, input format, contents of the list, the page displays its result in the output workspace and enables the relevant copy or download action.

When to use it and how to interpret the result

Limits and checks before use

Page verification record

Controls inspected3 documented inputsResult pathValidate → process → review → copy/downloadLast content review2026-09-02