Free Threads tool
Threads Post Preview
Threads is one of only two networks here that never folds a post: all 500 characters are shown. The preview is about pacing and shape rather than about a hidden second half.
Last updated: 2026-08-03
There is no "more" control to worry about on Threads. Each post gets its own 500 characters and every one of them is displayed, so longer thoughts are split across replies rather than stretched behind a fold. That makes the preview a different exercise from the Instagram one: nothing is hidden, so the question is whether the post reads well as a block, not whether the hook survives a cut.
What Threads does have is a hard ceiling that arrives quickly. Five hundred characters is three or four sentences. There is no classic hashtag block either: a post carries a single topic tag, and its text is charged against the same 500 characters as everything else, so a long tag is a real cost.
This preview lays the post out in the 4:5 shape Threads recommends for an image, with a name and handle line above it, and counts every character against the 500 as you type. Everything runs in your browser and nothing is uploaded.
260 of 500 characters on Threads
Your image never leaves your browser. It is shown from a local object URL and nothing is uploaded to us. HEIC photos straight from an iPhone only decode in Safari, so export a JPEG copy first if yours will not appear.
Threads preview
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Nothing folds on Threads, so this card shows the whole post. Each post in a chain gets its own 500 characters, so longer thoughts are split across replies rather than stretched.
Where each network folds a caption
The character limit is the ceiling. The fold is the number that decides how much of your caption a scrolling reader ever sees, and it is far smaller on every network that has one.
| Network | Folds at | What happens at the cut |
|---|---|---|
| ~125 charsBehind "... more" | The feed collapses a caption after roughly 125 characters behind a "... more" link, so the opening line carries the hook. | |
| ~477 charsBehind "See more" | Desktop folds a post behind "See more" after about 477 characters. Mobile folds earlier depending on screen width. | |
| ThreadsThis page | No fold500 character cap | Each post in a chain gets its own 500 characters, so longer thoughts are split across replies rather than stretched. |
| ~210 charsBehind "...see more" | Desktop cuts the post at about 210 characters behind "...see more". Mobile folds closer to 140, so write for the tighter number. | |
| X (Twitter) | No fold280 character cap | A standard post never folds. Premium posts longer than 280 characters collapse behind a "Show more" toggle in the timeline. |
| TikTok | ~100 charsBehind "more" | Only about the first line shows over the video, roughly 100 characters, before the "more" toggle. The exact cut depends on screen width. |
| YouTube | ~157 charsBehind "...more" | The watch page shows roughly the first 157 characters of the description before "Show more", and that opening usually seeds the search snippet. |
| ~50 charsBehind "more" | Only the first 50 to 60 characters of the description appear under a Pin in the feed. The rest opens on the Pin page. |
Fold points verified 2026-07-31. Every one of them moves with screen width, text size and language, so treat them as close rather than exact.
Writing above the fold
Six of the eight networks here fold a caption, and they fold it early: Pinterest at about 50 characters, TikTok at 100, Instagram at 125, YouTube at 157, LinkedIn at 210 and Facebook at 477. You are always writing two things at once, a full caption and an opening that has to work on its own.
Put the claim in the first sentence
Not the setup, not the context, not the greeting. The sentence that would make someone stop has to be the one that survives the cut, because everything after it is behind a tap that most readers never make.
Never break a thought across the fold
A caption that stops mid-clause reads like a bug rather than like a teaser. Either finish the idea before the cut or place a deliberate cliffhanger there, but do not let the character count choose the break for you.
Push hashtags and credits to the end
A block of tags at the top spends the most valuable space on the page on text nobody reads as a sentence. Tags work the same anywhere in the caption, so they belong after the words that have to be seen.
The one thing no preview can do is tell you exactly where the cut lands on a given phone. The fold moves with screen width, with the text size a reader has chosen, and with the language: German runs longer than English for the same sentence and folds sooner. Treat every number on this page as a ceiling to write under rather than as a mark to write up to, and the caption reads the way you meant it on every device.
Threads preview tips
- Write to 500 and stop. There is no fold to hide behind and no expansion control, so anything you cannot fit belongs in a reply rather than in the same post.
- Make the first post of a chain work alone. The feed shows the opener and the replies sit under it, so a post that only makes sense after the second one will not get anybody to the second one.
- Keep the single topic tag short. Threads has no separate hashtag block, and every character of the tag comes out of the same 500.
- Spend URLs carefully. Threads charges the full length of a link rather than a flat rate, so a 90 character tracking URL is nearly a fifth of the post gone.
- Screenshots of text travel further here than polished graphics. Crop to the quote that matters instead of posting the whole screen, and legibility beats resolution.
- Do not paste an Instagram caption straight across. A 2,200 character caption does not fit a 500 character post, and the two surfaces reward completely different lengths.
Frequently asked questions
Is this a real Threads screenshot?
No. It is a neutral HTML approximation: a 4:5 media box matching the 1080 x 1350 that Threads recommends, a name and handle line, and generic action icons. There is no Threads branding or interface in the card, only the layout facts that change how a post reads.
Will this match what I see on my phone exactly?
The text will, because nothing is folded: each post in a chain gets its own 500 characters and all of them are shown. What varies by device is line wrapping and how tall the post looks, not how much of it is visible.
Where does my uploaded image go?
Nowhere. It becomes a local object URL rendered inside your browser. It is not uploaded to us and does not reach Threads until you post it yourself, and the URL is released when you replace the image or close the tab.
Can I download this preview as an image?
Not yet. Copying the post text is one button, but there is no export to a picture. Take a screenshot instead: Cmd, Shift and 4 on macOS, or the Windows key with Shift and S on Windows.
Does Threads ever truncate a post?
Not the way Instagram or LinkedIn do. There is no published fold, because 500 characters is short enough to show whole. The limit applies to each post in a chain individually, so a six post chain gives you 3,000 characters in total with nothing hidden.
Why does the card look different from the Instagram one?
Because the two networks differ in the details that matter for a preview. Threads leads with a name and handle rather than a username, accepts almost any image shape and scales it to fit rather than cropping, and never folds the text. The card reflects those three differences and nothing else.
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