Word & Character Limits for Every PlatformA word limit is the maximum length a platform, application, or publication allows a piece of text to be - counted in words or in characters, almost always including spaces. This reference collects the limits for every major platform in one place, each verified and dated. Pick a platform for the full field-by-field breakdown, or paste your draft into the word limit counter to check where you stand.
| Platform | Key limit | All limits |
|---|---|---|
| X (Twitter) | Post (free account): 280 characters | X (Twitter) limits |
| Caption: 2,200 characters | Instagram limits | |
| TikTok | Caption: 4,000 characters | TikTok limits |
| YouTube | Video title: 100 characters | YouTube limits |
| Post: 63,206 characters | Facebook limits | |
| Headline: 220 characters | LinkedIn limits | |
| Discord | Message: 2,000 characters | Discord limits |
| Post title: 300 characters | Reddit limits | |
| Pin title: 100 characters | Pinterest limits |
| Platform | Key limit | All limits |
|---|---|---|
| Common App | Personal essay: 650 words | Common App limits |
| UCAS | Personal statement (total): 4,000 characters | UCAS limits |
| AMCAS (Medical School) | Personal comments essay: 5,300 characters | AMCAS (Medical School) limits |
| Paper Abstract | Journal abstract (typical): 150-300 words | Paper Abstract limits |
| Dissertation & Thesis | Undergraduate dissertation (typical): 10,000-15,000 words | Dissertation & Thesis limits |
| Platform | Key limit | All limits |
|---|---|---|
| Resume | Overall length (most careers): 1 page | Resume limits |
| Cover Letter | Overall length: 1 page maximum | Cover Letter limits |
| Email Subject Lines | Subject line (desktop display): ~60 characters | Email Subject Lines limits |
| Platform | Key limit | All limits |
|---|---|---|
| Google Ads | Headline (each, up to 15): 30 characters | Google Ads limits |
| Meta Ads (Facebook & Instagram) | Primary text (visible): ~125 characters | Meta Ads (Facebook & Instagram) limits |
| SEO Meta Tags | Title tag (displayed): ~50-60 characters | SEO Meta Tags limits |
| App Store & Google Play | iOS app name: 30 characters | App Store & Google Play limits |
| Platform | Key limit | All limits |
|---|---|---|
| SMS | Single SMS (GSM-7): 160 characters | SMS limits |
| Message: 65,536 characters | WhatsApp limits |
Over a limit? WordLimit shortens your text to the exact word or character count you need while keeping your key information and your own writing style.
WordLimit
