Why this tool is useful
Sort, inventory or archive feed subscriptions in a spreadsheet while preserving their reader categories and avoiding a cloud conversion upload.
Local File Tools · runs locally
Private OPML Feed Subscriptions to CSV
Convert an OPML subscription export into CSV rows with title, feed URL, site URL, category path, type and saved metadata, neutralizing spreadsheet formulas.
Ready. Your working data stays in this browser.
Files and capture streams stay on this device. Processing uses browser APIs only; nothing is uploaded to YTSave, the media API or a proxy. No server copy is created, stored or left to delete. The file picker is cleared when processing starts, and disposable worker memory is destroyed after completion or cancellation. Preview and generated-output memory is released when you clear the tool or leave the page.
How it works
The local parser flattens the bounded outline tree into explicit columns, escapes CSV syntax and prefixes cells that spreadsheet software could execute as formulas.
Practical example
Convert a podcast-reader OPML backup, group the CSV by category_path or feed_host, and find subscriptions that need cleanup without contacting their servers.
Validation
The calculation is deterministic and explains validation errors instead of silently changing invalid input.
Privacy boundary
Input and output remain in this tab. Copy and download happen through browser APIs without a server upload.
Result passport
Every run reports its tool mode, timestamp and input/output size so transformed data can be audited.