Reddit character limit and media specs
| Title | 300 characters |
| Text post body | 40,000 characters |
| Comment | 10,000 characters |
| Flair | Subreddit-dependent |
Platform limits change — verify against the official docs before betting a campaign on one.
Good to know
Titles cannot be edited after posting — the 300-character title is the one decision you cannot take back.
/ — over by
SawirPost's composer counts against each network's limit as you type — and when a draft runs over on Reddit, it can split into a thread at word boundaries instead of getting cut off.