Published: April 2026 | Last Updated: April 2026

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Quick Answer

Reddit post titles are limited to 300 characters. Text posts allow up to 40,000 characters. Comments can be up to 10,000 characters.

All Reddit Character Limits

FieldCharacter LimitNotes
Post Title300Cannot be edited after posting
Text Post40,000Self posts (text-only submissions)
Comment10,000Per individual comment
Username3–20Cannot be changed after account creation
User Flair64Subreddit-specific flair text
Subreddit Name3–21Created once, cannot be renamed
Subreddit Description500Public description shown to visitors
Custom Feed Name50Name for custom multi-reddit feeds
Chat Message512Reddit chat messages

Tips for Reddit Posts

Check Your Character Count

Write your Reddit post in our free word counter tool and check the character count before posting. Especially useful for titles since they can't be edited.

Count Your Words Now

Paste your text into our free word counter tool to instantly count words, characters, sentences, paragraphs and pages.

Open Word Counter

Frequently Asked Questions

What is the Reddit post title character limit?

Reddit post titles are limited to 300 characters. Titles cannot be edited after posting, so check carefully before submitting.

What is the Reddit comment character limit?

Reddit comments can be up to 10,000 characters long. Comments support Markdown formatting.

What is the Reddit text post character limit?

Reddit text posts (self posts) can be up to 40,000 characters — roughly 6,000–7,000 words.

Can you edit a Reddit post title?

No. Reddit post titles cannot be edited after submission. This is one of the few platforms where titles are permanently locked.

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