Guide
Instagram captions that survive the 125-character cut
Instagram gives a caption 2,200 characters and shows about 125 of them. Everything after that sits behind “... more”, and most people scrolling never tap it. This page writes the post text for that first cut: say what the video is about, pick a tone, and get six captions in six shapes, counted as you read them.
Instagram caption writer
Runs in your browser · no account needed
Six captions, six different shapes, from one line about your video
Say what the video is about, add your ask if you have one, and pick a tone. You get a hook, a question, a statement with the ask attached, a list tease, a contrarian line and a plain descriptive one, each counted against Instagram’s limit and against the point where the feed hides the rest.
Two things are called captions
This writes the post text — the words in the feed, under or beside the video, that people read before deciding to watch.
It does not write the words burned over the footage. Those are subtitles, they follow your voice, and you can try five styles of them at the caption style preview.
- Characters Instagram shows before “... more”
- 125
- Characters the caption box actually accepts
- 2,200
- Hashtags allowed on a single post
- 30
The cut lands at about 125 characters, mid-sentence
Instagram truncates a caption in the feed and hides the rest behind “... more”. The cut falls at roughly 125 characters.
It does not wait for a full stop. It cuts wherever it lands, which is usually the middle of your second sentence.
Everything after the cut is written for people who tapped, and tapping is a decision most scrollers do not make.
So the caption that works is the one that finishes before the cut. Not the one that is short for the sake of it, the one that lands its point and stops.
The exact number moves a little with the device and the font size, which is why the counter above says “about”. What does not move is the arithmetic: a 210-character caption is a 125-character caption with 85 characters nobody read.
Every caption the writer gives you is measured against that cut, and it tells you when the ask has fallen behind it.
The same video, two caption lengths
Not an argument for short captions. An argument for finishing the point before the cut.
| A 210-character caption | A 96-character caption | |
|---|---|---|
| What shows in the feed | the first 125 characters, cut mid-sentence | all of it, ending on a full stop |
| Where the ask lands | behind “... more” | on screen, read by everybody who read the caption |
| What the reader does | scrolls, because the sentence broke | finishes it, because it finished |
| What you gained | 85 characters nobody saw | nothing lost, and the point made |
Post text or the words on the screen? The term covers both
Two different things go by the name caption, and people arrive here wanting either one.
This page writes the post text: the words in the feed under or beside the video, in the box you type into before you hit share.
The other kind is burned into the frame over the footage, timed to your voice, and it is what people mean when they ask for captions on a Reel. Five styles of those are playable at /tools/caption-style-preview.
The difference matters because the two are written for different people. Subtitles are for the viewer watching with the sound off. Post text is for the person deciding whether to keep watching, and for anybody searching Instagram later.
One more field is worth knowing about and is neither of these. Alt text is a separate box in the advanced settings, it describes the image for screen readers, and it is not the caption.
If subtitles are what you came for, the previewer is the faster stop. If you want the words under the video, stay here.
- Post text: typed in the share screen, read in the feed, written for a decision.
- On-screen subtitles: burned into the video, timed to your voice, written for silent viewing.
- Alt text: a separate field, describes the picture for screen readers, never doubles as a caption.
This is the whole editor
Highlight a phrase and a clip lands on those exact words. No timeline, no keyframes, no layers.
Where a caption goes after the cut: more, hashtags, first comment
A caption has a life beyond the visible line, and knowing the order stops you wasting the parts that matter.
Line one is the whole caption for most readers. Whatever needs to be read has to happen there.
Past the cut is the room for context: the detail, the caveat, the story that would not fit. It is genuinely read by the people who tap, and they are the ones most likely to act.
Then the hashtags. Instagram allows up to 30 on a post and they count inside the same 2,200 characters as the words, so a block of them at the top eats your visible line.
The first comment is the other place they can go. Put them there and the caption stays clean while the tags still sit on the post.
The six shapes above are chosen for line one. A question shape asks for a reply in the visible part. A list tease names the count where it can be seen. A plain descriptive line puts the words a person would search where a search can reach them.
What happens to an Instagram caption, in order
Everything you need read has to happen in the first box. The rest is for the minority who tapped.
Line one
About 125 characters. All most people ever read.
“... more”
A tap most scrollers never make.
The rest of the caption
Context, caveats and the story. Read by the people who tapped.
Hashtags
Up to 30, inside the same 2,200 characters.
First comment
Where the tags go if you want the caption itself clean.
Six shapes, and the boring one that ages best
The six captions above are six jobs, not six rewrites. Choose by what you want back.
The hook extends your spoken opening rather than repeating it, which matters because the viewer is already hearing the opening.
The question asks for something a stranger can answer in four words. A question nobody can answer quickly gets no answers at all.
The statement with a call to action names what the video gives and then asks once. One ask. Follow, comment, save and link in bio in the same caption is four asks and no answer.
The contrarian shape is the one with a bill attached: take the other side of the common advice and the replies will ask you to defend it.
And the plain descriptive one, which reads like the least exciting of the six, is the shape that still earns a year later. It says what the video is in the words somebody would actually type, and text is the part of a post that search can read.
- One-line hook, for when the video's first second already does the work.
- Question, for replies. Keep it answerable in four words.
- Statement plus CTA, for when there is a link, a keyword or a booking behind it.
- List tease, only when the video genuinely delivers the list.
- Contrarian, only when you can defend it in the comments.
- Plain descriptive, for anything you want found in three months.
From the caption to the Reel underneath it
Writing the caption takes four minutes. Making the video it sits under is the part that eats the afternoon.
Cutroom turns one spoken take of up to three minutes, filmed on your phone, into a finished 9:16 video. It transcribes every word, trims the silence, drops b-roll onto exactly the phrases you highlight, and captions the whole thing word by word from your own audio.
Those on-screen captions are the other meaning of the word from the section above. Six caption packs ship in the editor, and switching the style, colour, size or position is one control rather than a re-edit.
The directing happens on the transcript, never on a timeline. Delete a line you do not want and the cut rebuilds around it, which is how one take becomes a 45-second version and a 60-second version in the same sitting.
The pricing is one sum. A batch is 100 credits and the export is 20 credits per output minute, so a 60-second finished video comes to about 120 credits.
Three finished videos are free inside your first seven days, no card, on the 600 credits granted at signup, and they export with a Cutroom mark across the middle. Lite is $19.99 a month for 1,250 credits, about ten finished one-minute videos and more when they run shorter, with cancelling one click away under Settings.
Questions people ask
- How long should an Instagram caption be?
- Long enough to make the point and short enough to finish before the cut, which falls at about 125 characters in the feed. The box itself takes 2,200, and everything past the cut hides behind “... more”. Write the point for the first 125 and treat the rest as context for whoever taps.
- Does this write the words that appear on the video?
- No. This writes the post text that sits under the video in the feed. The words burned over the footage are subtitles, they follow your voice, and you can play your own sentence in five styles of them at /tools/caption-style-preview.
- How many hashtags can I put on an Instagram post?
- Up to 30, and they count inside the same 2,200 characters as the caption. That is why a block of tags at the top of a caption costs you the visible line. Put them after the words, or in the first comment if you want the caption itself clean.
- Should the caption and the on-screen subtitles say the same thing?
- No. The subtitles are your spoken words. The caption is everything the spoken words did not have room for: the question, the caveat, the ask, the searchable description. A caption that transcribes the video has spent its only visible line on a sentence the viewer is already hearing.
- Is my topic uploaded when I use this?
- No. The writer runs in your browser on this page, with no account needed. Nothing you type is sent or stored anywhere, which is also why the captions are built from hand-written patterns rather than from a model on a server.
- What if none of the six captions is right?
- Write them again for a different phrasing, or switch the tone and the whole set changes register. They are drafts with your topic dropped into a named shape, and the one that wins is usually the one you rewrite to carry your real number, your real place or your real mistake.
Land the point before the cut, ask for one thing, and let the video carry the rest.