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About this tool
Draft a pinned comment with links, timestamps, a correction note and a community prompt, checked against each platform's comment character limit.
A pinned comment is the one comment that sits above the thread, and it does four jobs a description cannot: it corrects anything wrong in the video, carries the links people ask for, gives the audience a single thing to reply to, and stays visible on mobile where descriptions are collapsed. This generator assembles those parts in that order and checks the result against the comment character limit for the platform — 10,000 on YouTube, 2,200 on Instagram, 1,250 on LinkedIn — along with link count, timestamp formatting and whether an affiliate disclosure is actually present.
Open Pinned Comment Generator on AltFTool — it loads instantly in your browser.
Provide your input — an image, text, or data.
Let the tool analyze or generate the result.
Review, refine, and reuse the output wherever you need it.
Errors sit at the top, which is the reason most people open a pinned comment at all.
Character count is measured against the real comment limit for the platform you picked.
Badly formatted timestamps and unusable URLs are flagged before you paste.
Ten thousand characters. Instagram allows 2,200 in a comment and LinkedIn 1,250. Length is rarely the real constraint though — past about 900 characters a pinned comment stops being scannable and the detail belongs in the description.
Any correction first, then timestamps, then the links people will ask for, then one question that invites a specific reply. Ending with a question matters: a pinned comment that only lists links gives nobody a reason to respond.
It can. Comments carrying several links are more likely to be held for review or filtered as spam, so around three is a sensible working limit. Put the rest in the description, where links are expected.
If you earn from a link, the connection has to be disclosed clearly and near the link rather than buried elsewhere. This tool adds a plain disclosure line when you mark links as affiliate or sponsored — treat it as a starting point and check the rules that apply where you publish, since requirements differ by country.