Count your complete caption
Postdom counts text in UTF-16 units: a letter or space usually uses one; some emoji use several.
Spaces, tags and line breaks count. Nothing is trimmed or sent to a server. Instagram's native editor and hashtag maximum are not checked; this is not publishing approval. How the count works.
How to shorten a Reel caption without losing the point
Keep the information someone would save the Reel for. Start by cutting the sentences that introduce or repeat it.
- Original draft
- 2,473 units
- Edited caption
- 1,732 units
273 over Postdom’s Instagram caption check
468 remaining before Postdom’s Instagram caption check
Cut the repetitive ending and broad tags: 741 UTF-16 units removed. Keep the desk-reset instructions and the specific tags.
“As you can see in the video, I cleared the desk, sorted the things on the desk, and put the things I wanted on the desk back on the desk.”
This sentence repeats what the video shows. The edit removes it rather than shortening useful instructions.
Read the full edited caption
A small desk reset: keep what you use, move what you don't. I start by taking everything off the desk except the monitor. That makes it easier to see which things belong here and which have slowly arrived from other rooms. The notebook I use every morning stays. The pile of old envelopes goes into a separate tray to sort after the reset. Next I wipe the empty surface and put the keyboard and mouse back where my hands naturally reach. I am not buying a new setup for this video. The point is to make the desk I already have easier to use. The cables are the part I usually avoid. I unplug only the devices I can safely disconnect, trace each cable to its device, and group the spare lengths behind the monitor. Anything I need to unplug often stays within reach. Before moving on, I check that the devices I use still work. Then I give the loose objects a home. Pens go into the cup, headphones onto the hook, and the charging cable into the shallow drawer. I keep one notebook open beside the keyboard instead of stacking several beside the screen. The spare notebooks go on the shelf. There is still a lamp, a mug, and a plant on the desk. A clear surface does not have to be an empty one. I leave enough room to write without moving the keyboard and enough space for the mug that it is not balanced beside the laptop. The final check is simple: sit down and do the first task of the day. If I have to move something to begin, I find it another spot. That is more useful to me than making the desk look perfect for a photo. The Reel shows the before, the cable tidy, and the finished desk. Save it for the next time your workspace needs a reset. What is the thing that always ends up on your desk? #deskreset #workspace
See exactly what was removed
In today's video I wanted to take you through the entire process of resetting my desk from start to finish. This is the complete desk reset, including all the things I moved and all the things I kept, so you can see exactly what the desk looked like before and what it looked like after. As you can see in the video, I cleared the desk, sorted the things on the desk, and put the things I wanted on the desk back on the desk. I hope this gives you some ideas for your own desk reset and inspires you to reset your own desk whenever your desk needs a reset. Let me know what you think about this desk reset and whether you would like to see another desk reset video. #video #myvideo #dailycontent #newpost #creatortips #inspiration #ideas
Put the useful sentence first
Replace ‘In today's video I'm going to show you’ with what the viewer will learn. Keep names, quantities, or instructions that make the caption useful.
Remove repeated explanations
If the ending repeats the opening, keep the clearer version. Cut unrelated tags before cutting details a viewer needs to follow the video.
Recount the finished text
Include the tags and mentions you intend to publish. Recheck after every edit, and review any warning from your actual publishing method before sharing.
An illustrative edit, not a tested Instagram submission. Counts include spaces and line breaks. A caption does not need to fill the allowance.
Which Instagram character limit applies?
Postdom flags Instagram Reel captions above 2,200 UTF-16 code units for attention during approval. Its separate caption input limit is 4,000 units; longer inputs are rejected. These are Postdom checks, not a verified limit for every Instagram editor.
| Check | Limit | What it means |
|---|---|---|
| Postdom's Instagram caption check | 2,200 UTF-16 code units | A longer caption gets a length warning when an approval includes Instagram. This is a Postdom check, not a test of every Instagram editor. |
| Postdom's caption input limit | 4,000 UTF-16 code units | Longer inputs are rejected. This is a separate check, not an Instagram caption allowance. |
| Separate Instagram hashtag maximum | Not verified here | Include hashtags in your caption length. Postdom has no verified separate hashtag-count limit; this page does not invent one. |
Posting directly in Instagram? Review your finished text in its editor and address any warning there. Sources and scope.
What does the counter count?
It counts the text, not the symbols you see. These small examples use the same JavaScript string-length calculation as the counter.
- Letters and a space
Hi there8 units- A hashtag
#deskreset10 units- A line break
\n (line break)1 unit- An emoji
😀2 units- A joined emoji
👨👩👧👦11 units- Letter + combining accent
é (e + accent)2 units
The accent example contains a letter plus a separate combining accent. Text that looks the same can have a different underlying count. We do not normalize it. MDN explains UTF-16 string length.
Caption questions
Why do emoji sometimes count as more than one character?
Postdom counts UTF-16 code units, using JavaScript's string length. An emoji can contain several units, so counting visible symbols by eye can undercount the text. Native Instagram counting parity is not verified here.
What happens if my Reel caption is too long?
At 2,201 UTF-16 code units, Postdom's Instagram approval check marks the caption as needing attention. It does not silently truncate or rewrite your text. Shorten the draft and check again. A warning is not a publish failure; passing a length check is not publishing approval or a guarantee of acceptance.
How much of a Reel caption appears before “more”?
A fixed preview cutoff across Instagram's different views is not verified here. The visible preview and the full caption allowance are different things. Put the useful takeaway first, then check the caption in the view you plan to use.
Can I use this to check a bio, DM, or username?
This checker is for Reel captions. It will count any text you paste, but its Postdom caption limits do not validate bios, DMs, or usernames. Those fields' limits are not verified here; check the field you are editing in Instagram.
Caption ready? Review the video too.
Keep the finished Reel and its final caption together. For native scheduling steps and the difference between an approval and a published post, use the Instagram Reels scheduling guide.
With Postdom, provide an accepted video URL or stored media handle and the caption for your connected Instagram account. Review the exact video, text and destination, and complete any required human approval before submitting.
Postdom publishes supplied videos to TikTok, Instagram Reels, YouTube Shorts, LinkedIn, Facebook Reels, X, Snapchat Spotlight, Threads and Bluesky; it does not generate them. Its publish_video tool marks Instagram Reels as AI-generated and supplies no Instagram visibility setting. Do not assume the post will be private. Stop if that disclosure or audience is not appropriate, or the person responsible has not approved sharing this video.
Video and caption submission reference →Instagram Reels publishing reference →