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How to Write and Format Your Caption

Learn how to write, format, and enhance your captions using emojis, hashtags, user tags, and the AI Caption Writer.

Overview

The caption panel in the post creator gives you everything you need to write great captions, add hashtags, tag people, and even get AI-generated suggestions.


Writing Your Caption

When you create or edit a post, the post preview panel appears on the right side. Click in the caption field and start typing.

The caption field supports:

  • Plain text
  • Line breaks (press Enter/Return)
  • Emojis
  • @mentions
  • Hashtags

Adding Emojis

Click the emoji icon (smiley face) in the caption toolbar to open the emoji picker. Search for an emoji by name or browse by category.

You can also type emojis directly if your keyboard supports it.


Tagging Users

Type @ followed by a username to tag someone in your caption. This works for platforms that support caption tags.

For Instagram image tags (tagging people in the photo itself rather than the caption), use the Tag option in the post editor.


Using Saved Hashtag Groups

If you've saved hashtag groups in Keywords & Captions:

  1. Click the # icon in the caption toolbar
  2. Select a saved hashtag group to insert it into your caption

To create or manage hashtag groups, go to Keywords & Captions in the left sidebar.


Using the AI Caption Writer

  1. Click AI Caption Writer in the caption panel
  2. Describe what your post is about or choose a tone
  3. Planoly generates caption options for you
  4. Select the one you want, or edit it to make it your own

Adding a Creator Store Link

If you have a Creator Store set up, click Add Product Link in the caption panel to attach a product directly to your post.


Caption Tips by Platform

Platform Character limit Hashtag best practice
Instagram 2,200 Up to 30 hashtags
Facebook 63,206 Optional
TikTok 2,200 3–5 targeted hashtags
LinkedIn 3,000 3–5 professional hashtags
X (Twitter) 280 1–2 hashtags
Pinterest 500 Optional
Threads 500 Limited support

Saving Caption Templates

If you write a caption you want to reuse, save it as a template:

  1. Go to Keywords & Captions in the left sidebar
  2. Click + New Caption Template
  3. Name it and paste your caption

You can then insert it into any future post from the caption panel.