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Message length and media on Messenger, Instagram and TikTok
Each channel has a message length limit and accepted file types. Know them before you send a long message or a file.
Message length
Channel
Limit
Note
Messenger
2,000 characters
Instagram
1,000 bytes
About 500 Arabic characters or 1,000 English characters, because an Arabic character takes more space.
Public reply to a comment
8,000 characters
All channels.
Media
Channel
Images
Video
Audio
Documents
Messenger
✓
✓
✓
✓
Instagram
PNG and JPEG
MP4, OGG, AVI, MOV and WEBM
AAC, M4A, WAV and MP4
PDF only
TikTok
✓
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A voice recording from the browser is converted to an accepted format automatically.
Interactive buttons
Automation messages on Messenger and Instagram accept up to 13 quick reply buttons, with a button title of up to 20 characters. TikTok doesn’t support buttons.
If something goes wrong
What you see
Why
What to do
“Messenger messages are limited to 2000 characters”
The message is longer.
Split it into two messages.
“Instagram messages are limited to 1000 bytes”
The message is longer.
Split it.
“Instagram supports PDF documents only”
The format isn’t accepted.
Convert it to PDF.
The file wasn’t sent on TikTok
TikTok accepts images only.
Send a link.
A real example
Namaa Academy
The situation
The course description is 900 Arabic characters, and the employee sends it on Instagram.
What they did
- The message was refused for going over the limit.
- He split it into two messages.
The result
The full description arrived.
A made-up company, to show the idea. The numbers are rounded.
Good to know
Messenger: 2,000 characters.
Instagram: 1,000 bytes.
TikTok: images only.
Did this guide solve it?
If not, we’ll ask what was missing.