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About this tool
Dedupe, group and trim YouTube tags to the 500-character field limit, with a broad/specific/long-tail mix per video type.
YouTube Tag Organizer takes a pasted tag list, removes case-insensitive duplicates, groups every tag as brand, broad, specific or long-tail, and trims the set to YouTube's 500-character tags field. It counts characters the way the YouTube Data API does — the commas between tags count, and any tag containing a space is wrapped in quotes that count too — so the number you see is the number the field will actually use.
Open YouTube Tag Organizer on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
Commas and the quotes around multi-word tags are counted, not ignored, so nothing gets truncated on upload.
Case-insensitive matching removes "SEO", "seo" and "#SEO" down to one tag.
Broad, specific and long-tail counts are compared against a target for the video type you picked.
The tags field holds 500 characters in total across all tags. The separating commas count toward that total, and the YouTube Data API wraps any tag containing a space in double quotes, so a two-word tag costs its length plus two.
There is no required number — most channels land somewhere between 8 and 20 within the 500-character budget. What matters more is that the tags describe what the video is actually about; YouTube has said tags play a minimal role in discovery and mainly help with common misspellings.
Only marginally. YouTube's own creator guidance describes tags as useful mostly for spelling variations of your topic, with the title, description, thumbnail and viewer behaviour carrying far more weight. Treat the tags field as tidy metadata, not a growth lever.
This tool classifies by word count: one word is broad ("cooking"), two words is specific ("pasta recipe"), three or more is long-tail ("how to make fresh pasta"). Long-tail tags match the way people phrase real searches; broad tags cover the general topic area.