Threads Character Limit: How to Post Over 500 Characters

When a Threads post exceeds the character limit, many users split the content into several connected posts. This works, but it can interrupt the reading flow and force readers to scroll through multiple replies. In September 2025, Threads introduced text attachments, allowing users to add up to 10,000 characters of long-form content to a post. This guide explains the Threads character limit, how text attachments work, and other ways to publish a long post on Threads.

A standard Threads post has a limit of 500 characters. If you are wondering whether there is a Threads word limit, there is no separate word-based cap because Threads measures post length in characters. Searches for a Threads post limit or Threads post character limit usually refer to this 500-character restriction.

For comparison, Instagram captions allow up to 2,200 characters, Facebook supports much longer posts, and standard posts on X allow up to 280 characters. Threads therefore gives users more room than a standard X post but considerably less than an Instagram caption. Before text attachments were introduced, users who wanted to publish longer content had to rely on screenshots or multi-post threads.

When a draft exceeds 500 characters, Threads can automatically create another connected post. You can continue with the multi-post thread, shorten the draft, or place the full content in a text attachment.

A Threads text attachment is a long-form writing feature introduced in September 2025. It lets users attach up to 10,000 characters of additional text to a post or reply, which is 20 times the standard post limit. The main post still has a 500-character limit, while the attachment appears as an expandable text block below it.

Readers can tap “Read more” to view the complete attachment without leaving Threads. This gives writers, educators, marketers, and content creators a native alternative to screenshots and lengthy reply chains.

What Formatting Does a Threads Text Attachment Support?

Threads text attachments support bold, italic, underline, and strikethrough formatting. These options make long-form posts easier to scan and help important points stand out. A post with a text attachment can also include an external link, making it useful for directing readers to a complete article, newsletter, or website.

Images and videos cannot currently be embedded inside the text attachment itself. If the content requires visual examples, add the media to the main post or use a multi-post thread.

What Content Works Best in a Threads Text Attachment?

Text attachments work well for content that needs more context, such as product reviews, tutorials, industry commentary, project updates, personal essays, and detailed announcements. For a quick opinion or short update, the standard 500-character post is usually enough and lets readers see the main point without opening an attachment.

Creating a Threads long-form post is straightforward. Update the Threads app to the latest version, open the post composer, and follow the steps below to add a text attachment.

Step 1: Create a New Threads Post

Open the Threads app and tap the new post button at the bottom of the screen. Start by writing the introduction, summary, or hook that will appear in the main post. This section must remain within the 500-character limit.

Step 2: Open the Text Attachment Editor

Find the text attachment icon in the post composer and tap it to open the long-form editor. This is where you can enter content beyond the standard Threads post character limit.

Step 3: Write and Format the Long Post

Type or paste your content into the attachment editor. Use bold, italics, underlining, or strikethrough formatting to organize the text and highlight key information. If you want to direct readers to a complete article or external resource, include the relevant link with the post.

Step 4: Review and Publish

Return to the main post after editing the attachment. Review the introduction, long-form content, formatting, and link before tapping Publish. The finished post will display an expandable text block that readers can open to view the full content.

If the text attachment icon does not appear, update the Threads app and restart it. The location and appearance of the option may vary slightly depending on the device and app version.

Text attachments are not the only way to publish content that exceeds the Threads character limit. You can also create a multi-post thread or share a short summary with a link to the complete article.

Method 1: Create a Multi-Post Thread

If you are looking for how to make a thread on Threads, start by dividing the content into sections of no more than 500 characters each. Threads can automatically add another connected post when the draft exceeds the limit, or you can manually select the option to add another post to the thread.

Each post appears below the previous one, creating a continuous reading sequence. This format works well for step-by-step tutorials, live updates, and posts in which each section needs its own image. The drawback is that the content becomes fragmented across several posts.

Method 2: Share a Summary and Add an Article Link

If the complete content already exists on a blog or website, use the Threads post as a short preview. Summarize the main point within 500 characters, then include a link to the full article. This approach works well for content marketing because it keeps the post concise while directing interested readers to your website.

Text attachments and multi-post threads can both help when a draft exceeds the Threads post limit, but they present the content in different ways.

Choose a text attachment when you want readers to view a complete piece of long-form writing in one place. Use a multi-post thread when each section needs its own image, update, or opportunity for interaction.

Before publishing a Threads long post, review the following points to make sure the content is easy to read and displays correctly.

• Main post length: The 500-character limit still applies when you use a text attachment. Keep the main post concise and place the strongest hook near the beginning to encourage readers to open the attachment.

• Images and videos: Media cannot be embedded directly inside a text attachment. Add visuals to the main post or choose a multi-post thread when different sections require separate images.

• App version: Update Threads before creating the post. If the attachment option is missing, restart the app and check the mobile post composer again.

• Formatting and links: Preview the attachment and confirm that bold text, line breaks, and links appear correctly before publishing.

• Content structure: Break long paragraphs into shorter sections and place the main conclusion early. A 10,000-character allowance does not mean every post needs to use the full limit.

The hardest part of writing a long post is often finding a topic worth developing. Enter a topic or keyword into the Threads Social Listening Tool to find approximately 10 relevant Threads posts with links to the original discussions. This helps you see what people are talking about and which angles have already been covered.

The tool can also generate draft comments or direct messages for you to review before posting. Spend less time searching for conversations and more time developing useful long-form content.