Google Ads Headline Character Limit Checker
Headlines: 30 characters each (up to 15 per ad). Descriptions: 90 characters each (up to 4 per ad).
Verified 2026-07-19 against Google Ads Help Center (Responsive Search Ads specifications). Platforms change these limits without notice — this page is checked on an annual-refresh cadence; if you spot a change, let us know via /contact/.
A Google Ads Responsive Search Ad (RSA) — the standard search-ad format Google has pushed advertisers toward — is built from a pool of short text assets rather than one fixed ad: up to 15 individual headlines, each capped at 30 characters, and up to 4 descriptions, each capped at 90 characters. Google's system then automatically tests different combinations of your submitted headlines and descriptions to find which perform best, rather than you writing one single fixed ad the way older ad formats worked.
Checking against: Google Ads headline, 30 characters
Your live count and remaining allowance appear here as you type.
The details
The 30-character headline limit is notably tight — tighter than a text message's classic limit and far tighter than any social caption limit on this site — which is why writing strong RSA headlines is its own particular skill: every headline needs to stand alone as a complete, compelling thought within 30 characters, since Google's system can display any combination of your submitted headlines together and won't guarantee two specific headlines always appear adjacent to read as one continuous sentence.
Because Google mixes and matches your submitted headlines and descriptions algorithmically, a common advertiser mistake is writing headlines that only make sense in a specific order or as a continuation of another headline — since the system doesn't guarantee that ordering, each headline needs to be independently meaningful rather than relying on assumed adjacency to a different headline.
Google Ads also enforces the same underlying policy restrictions across all headline and description text regardless of length — no excessive punctuation or symbols used purely for visual emphasis, no unsubstantiated superlative claims, and character limits are counted per standard character (not pixel-width truncation the way organic search titles/descriptions are) — so a 30-character headline is genuinely, exactly 30 characters, unlike the softer pixel-based truncation covered on /limits/seo-title/.
Google Ads also supports 'pinning' specific headlines or descriptions to a fixed position within the ad (position 1, 2, or 3 for headlines, for instance), which overrides the system's normal automatic mix-and-match behavior for that specific slot — a common mistake is pinning too many assets, which defeats the purpose of a Responsive Search Ad by forcing a fixed structure and giving Google's testing system far fewer combinations to actually test and optimize across.
Ad Extensions (now more commonly called Assets in Google Ads' current terminology) — sitelinks, callouts, structured snippets, and similar — each carry their own separate, generally shorter character limits distinct from the headline and description fields covered here, and are a common source of confusion for advertisers who assume one universal Google Ads character limit applies across every text field in a campaign rather than checking each asset type's specific limit individually.
Reference table
| Headlines (per ad) | Up to 15 headlines, 30 characters each |
| Descriptions (per ad) | Up to 4 descriptions, 90 characters each |
| Counting method | Exact character count (not pixel-width truncation) |
| Pinned headline/description slots | Optional — overrides automatic mix-and-match for that slot |
Related
FAQ
- Can two of my headlines be shown together to form one longer sentence?
- Google's Responsive Search Ads system can display combinations of your submitted headlines together, but it doesn't guarantee any specific two headlines will always appear adjacent or in a particular order. Write every headline to stand alone as a complete, meaningful statement rather than assuming it will always be paired with a specific other headline.
- Is the 30-character headline limit measured by pixel width like an organic search title?
- No — unlike the organic /limits/seo-title/ and /limits/meta-description/ pages on this site, where Google truncates based on rendered pixel width, Google Ads headline and description limits are exact character counts. A 30-character headline is measured as exactly 30 characters, with no pixel-based leniency for narrower character sets.
- How many headlines and descriptions should I actually submit?
- Google's own guidance generally recommends submitting close to the maximum (15 headlines, 4 descriptions) rather than the bare minimum, since more submitted variety gives Google's automated testing system more combinations to test and optimize toward, generally improving ad performance over relying on just a few assets.
- Should I pin my best-performing headline to the first position?
- Use pinning sparingly — while it's tempting to lock in a headline you're confident about, pinning too many slots removes Google's ability to test different combinations against each other, which is the core mechanism a Responsive Search Ad relies on to improve performance over time. Pinning one or two critical assets (a required legal disclaimer, for instance) is reasonable; pinning most or all of them defeats the format's purpose.