A rule that took effect yesterday, July 27, hands Amazon's AI the pen on any title still over 75 characters. For brands that did not prepare, the damage is not permanent, but the window to control the outcome is closing fast.

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For nearly a decade, the Amazon product title was the one place a seller could say almost anything. Two hundred characters or more and there was no real enforcement. The Amazon algorithm rewarded density over clarity. Sellers on Amazon are smart and they packed titles with every keyword a shopper might type, whether the words made sense together. That era has ended. As of July 27, 2026, Amazon requires product titles in every category except media, meaning books, music, video and software, to run 75 characters or fewer, including spaces. Any title still over the limit is now a candidate for Amazon's own rewrite (via their internal AI tool code “Starfish”).

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A Quiet Announcement that has an Outsized Effect

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Amazon posted the change on June 10 through Seller Central's Policy and Compliance feed, under the low-key heading Updates to improve your product titles begin on July 27. There was no press event and little warning outside seller forums and the agencies that watch them closely. Titles built for keyword stuffing are now gone. In their place is a shorter, cleaner field paired with a new 125-character searchable field called Item Highlights, which sits directly beneath the title in search results and on the product detail page.

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Seventy-five plus 125 equals 200, the same indexable character count sellers have always had is still available, just not in the title. Amazon has not shrunk the space available to describe a product. It has split that space into two fields with two different jobs: Identity in the title, supporting detail in Item Highlights.

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Why Amazon Made the Change

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Primarily this is a “Mobile First” approach. A policy Amazon CX teams have been driving over the last 5 years.  A large majority of Amazon shopping sessions now happen on a phone screen, where a 200-character title simply does not display, it truncates into a fragment that reads like a run-on sentence. A 75-character cap forces a clean, scannable line that fits the space shoppers see.

The secondary reason is search quality. Amazon's ranking system has for years weighted the title heavily, by some outside estimates around half of a listing's total keyword relevance signal. Stuffed titles diluted that signal for everyone, rewarding whoever crammed in the most synonyms rather than whoever described the product best. Splitting identity from supporting detail lets Amazon reward precision in the title while still indexing the long tail of descriptive language in Item Highlights.

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What Actually Happens Now

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Nothing about July 27 is a kill switch. No listing goes offline, and no seller is locked out of their catalogue. What changes is the default. From this point forward, any title still over 75 characters is gradually rewritten using Amazon's own model, drawing on its relevance engine, a listing's backend search terms and current ranking signals, not a simple truncation of the existing title at character 75. There is no published order of operations. Some non-compliant titles may be rewritten within days, others may sit unchanged for weeks, and Amazon has not said which listings it prioritizes first.

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Why Brand Registry matters more

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The one meaningful safeguard on Titles belongs to brand-registered sellers. Inside a Seller Central tool called Review Listings Changes, brand owners get a 14-day window to inspect, edit or approve Amazon's AI-generated title and Item Highlights recommendations before they go live. Sellers who are not enrolled in Brand Registry do not get that window. For them, Amazon applies the change directly, and the first indication a title has shifted may simply be noticing it looks different in Manage All Inventory.

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The Part Most Sellers Are Missing

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Treating this as a formatting chore, shorten the title, move the rest somewhere else, move on, understates the risk. An AI-generated title is a new piece of text built from a model's judgment about relevance, not necessarily the judgment of the brand or the agency that built the original listing. It may drop the keyword that converts in favour of one the model considers more generically relevant. In regulated categories, an automated rewrite is not guaranteed to preserve a mandatory disclosure that happened to live in the title. Amazon's guidance treats Item Highlights as a field for materials, use cases and comparison detail, not as a dumping ground for whatever no longer fits, which means a lazy split between the two fields can hurt a listing's clarity even after it is technically compliant.

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There is also a structural trap in variation listings. Parent and child ASINs both carry titles, and both are subject to the same 75 character rule. It is common for a seller to fix the child level titles that shoppers see in search while leaving the parent title over the limit, only to have Amazon rewrite the parent and change how the entire variation family displays.

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If the Deadline Already Passed You By

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The good news is that this is a recoverable situation, not a compliance cliff. Amazon's own language is explicit that listings stay active throughout the transition and that sellers can edit titles and Item Highlights at any time, even after an automated change has already been applied. The practical task now is to get back in front of the AI rather than clean up after it.

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SEVEN STEPS FOR SELLERS WHO MISSED JULY 27

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1. Confirm Brand Registry status first. It determines whether you get a 14-day review window or Amazon applies changes directly.

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2. Review if you have brand registry. If enrolled, open Review Listings Changes in Seller Central now and work through any pending AI recommendations before they go live.

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3. Prioritise your titles. Sort your catalogue by revenue and rewrite your highest-revenue over-limit titles by hand first. Keep the keyword that actually converts, not the one that reads best in the abstract.

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4. Be intentional about your titles. Draft Item Highlights deliberately rather than letting leftover title text spill into it. Use the 125 characters for materials, use cases and comparison detail.

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6. Check for compliance. In regulated categories, check that mandatory disclosures survived any automated rewrite and were not trimmed for space.

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7. Be extra cautious on variations. For variation listings, check the parent title, not only the child titles. Both are subject to the 75-character limit and both can be rewritten.

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What This Means for our Brands at MarketLeap

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For brands operating through an Amazon partner, the practical exposure is lower, but it is not zero. We at Marketleap are auditing client catalogues against the 75-character limit as part of standard account health monitoring, prioritizing the highest-revenue ASINs and confirming Brand Registry enrolment status for every client. We started preparing the changes as soon as Amazon announced the change and are now using the 14 day review window to review any forced AI titles. Brands managing their own Amazon accounts should ask two questions this week: who owns Brand Registry enrolments for each ASIN, and who is watching Review Listings Changes. If the answer to either is uncertain, that is a good place to start.

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