You need a random winner from the comments on an Instagram post, you don't want to pay, and you don't want to hand anyone your login. Here's the fastest honest way to do it, plus a manual fallback for the rare cases where the automatic route can't reach your comments.

Key takeaways

Pickfetti is free for any public post or reel with up to 500 comments: unlimited draws, no account, no card, no Instagram login.
Paste the link, set your rules (one entry per person, tag N friends, keyword, close time), draw. About a minute.
You get winners plus alternates, a public proof page with the seed and hash, a winner card image, and a CSV of entries.
If the post is private or the comments can't be fetched, paste the comments manually (one per line) and draw from that instead.
Bigger posts use a one-time pass ($4.99 up to 10,000 comments) or Pro; you don't need either for a typical small giveaway.

The one-minute version

Copy the post link. On the post, tap the three dots (or share icon) and choose "Copy link." Reels work too. It must be a public account; Stories won't work because they have no public comments.
Paste it into Pickfetti. No signup. Pickfetti reads the public comments and shows how many it retrieved next to the number Instagram reports.
Set your rules to match your caption. Typical: 1 winner, 2 alternates, one entry per person, minimum 2 @-mentions if you said "tag 2 friends," exclude yourself, and a date window if you had a close time.
Draw. You'll see the winner and alternates, and you get a proof link (pickfetti.com/d/{code}) to paste into your announcement.

That's it. There is nothing to install and nothing to connect.

What "free" covers

Included free	Details
Posts up to 500 comments	Unlimited draws, no account, no card
Up to 5 winners + alternates	Alternates drawn in the same shuffle
All rules	One entry per person or every comment, minimum mentions, keyword/hashtag/emoji, exclude author, blocklist, ignore replies, date window, follow check on winners
Proof page	Seed, entries hash, rules, counts; anyone can re-verify at `/d/{code}/verify.json`
Winner card + CSV	Card carries a small Pickfetti mark on free draws (unbranded on Pro)
Retention	Guest draws are kept 30 days; create a free account if you want them kept indefinitely

If a post has more than 500 comments, a Draw Pass ($4.99, one draw, up to 10,000 comments) or Big Draw Pass ($14.99, up to 100,000) covers it, and Pro ($9/month or $79/year) is for people running giveaways regularly. Full details at pricing.

Setting the rules right

The draw is only as fair as the rules match your promise. Quick mapping from common caption phrases:

"One entry per person" → leave one-entry-per-person on (default).
"Every comment counts" → switch to every-comment mode.
"Tag 2 friends" → minimum mentions = 2. Pickfetti counts different accounts only and pools tags across a person's comments.
"Comment DONE" or a hashtag or an emoji → required keyword (any-of if you allowed several).
"Ends Friday 8 PM ET" → date window closes then; later comments are excluded automatically.
"Must follow us" → follow check on. Applied to drawn winners; provable non-followers are skipped and listed; private accounts are unknown, not rejected.
Your own comments and replies → exclude author, and add teammates to the blocklist.

Not sure how to phrase the caption in the first place? The rules generator writes it from these settings.

The manual paste fallback

Sometimes the automatic route can't reach the comments: the account is private, Instagram is being flaky, or you're picking from a screenshot list someone sent you. Pickfetti also accepts a pasted list. Format is one comment per line, starting with the commenter's handle, for example:

@maria_k tagged @jo and @sam
@dev.the.baker @lena @priya
@tomtom_ love this!

Pickfetti parses the username and any @-mentions on each line, applies the same rules (one entry per person, minimum mentions, keyword, blocklist), and draws with the same seeded shuffle and proof page. It's obviously only as complete as the list you paste, so say in your announcement that the draw was from a pasted list if that's the case. Follow verification isn't available on manual draws since there's no source post to check against.

Free alternatives, honestly compared

Scroll and tap. Free, fine for tiny giveaways, not random in any meaningful sense and impossible to prove.
Spreadsheet + random number. Free and defensible if you keep the sheet, but you're copying names by hand and hoping you didn't miss a page.
Random-number generator against the comment count. "Comment #217 wins" sounds fair, but Instagram's displayed count includes comments no one can see, and comment order isn't stable, so #217 isn't a fixed person.
A no-login picker with proof. Same price as the above for posts up to 500 comments, and it gives your audience something to check.

The longer comparison of methods is in how to pick an Instagram giveaway winner.

After you draw

Announce in a Story and a pinned comment with the proof link. Templates in how to announce a winner.
DM the winner from your official account and give a deadline. If they don't respond, move to the next alternate; no redraw needed.
Warn your audience that you'll never DM asking for payment. Scam copycats show up fast on giveaway posts.

FAQ

Is there a free Instagram comment picker that doesn't need my login?

Yes. Pickfetti reads public comments from a post link. No login, no password, no account connection. Free for posts up to 500 comments.

Do I need to create an account?

No. Guest draws work without one and are kept for 30 days. An account (also free) keeps your draw history indefinitely.

Can I pick more than one winner for free?

Yes, up to 5 winners plus alternates on the free tier.

Why does the picker show fewer comments than my post does?

Instagram's number includes deleted, hidden, filtered, and cross-posted comments that aren't public. Pickfetti shows both counts. Full explanation.

Can I pick from a private account or a Story?

Not automatically; private accounts and Stories don't expose public comments. Use the manual paste option for a private post if you can copy the comments yourself.