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Fix the text in your AI poster

An AI poster can look finished while a single price, date, or headline makes it unusable. The safest repair is a controlled edit: isolate one text area, supply the exact replacement, protect the rest of the design, and verify the result character by character.

Quick Answer

To fix text in an AI poster, edit one text region at a time. Quote the exact replacement, name every element that must stay unchanged, and compare the result with a written source of truth. If repeated edits still distort the copy, generate a clean text-free background and add the final words in an editable design layer.

Why AI Poster Text Still Goes Wrong

Image models treat letters as visual elements as well as language. They may render a convincing word shape but miss a character, change a digit, or shift the text when the composition is edited. OpenAI's current image-generation documentation explicitly notes that precise text placement and clarity can still be difficult.

Local editing helps reduce the blast radius, but it is not a guarantee. Even a mask acts as guidance rather than an exact pixel boundary, so every revision needs a visual and textual review.

Choose the Right Repair Method

ProblemBest methodWhat to protect
One misspelled headlineLocal edit of the headline areaBackground, subject, hierarchy, font mood
Wrong price or dateLocal edit plus character-by-character reviewCurrency, separators, timezone, surrounding copy
Several text blocks are wrongRemove text and rebuild the copy layerIllustration, product, layout grid, safe areas
Product label changedReturn to the original product referenceLogo, label, packaging shape, material, color
Japanese or Korean characters look unnaturalUse a text-free master and typeset separatelyReading order, line breaks, punctuation, brand rules

Step-by-Step Poster Text Correction Workflow

1. Create a source-of-truth sheet

Write the approved headline, price, date, venue, URL, disclaimer, and capitalization in plain text. Do not rely on the current poster as the reference, because it may already contain the error.

2. Mark one edit region

Choose only the headline, price, or date block. A narrow edit makes it easier to preserve the product, lighting, layout, and other approved text.

3. Give a preservation instruction

Name the elements that must not change. For a product poster, that usually includes the product shape, logo, label, color, material, camera angle, background, and empty space reserved for other copy.

4. Generate a small set of variants

Two or three variants are enough for the first pass. More outputs do not solve an unclear instruction; fix the edit specification before increasing volume.

5. Review at delivery size

Check the full-resolution file and the actual placement size. A headline that looks readable on a large canvas may collapse in a mobile ad or thumbnail.

Copyable Prompts

Fix a headline

Edit only the headline area of the uploaded poster.
Replace the current headline with exactly: "[APPROVED HEADLINE]".
Keep the product, people, background, colors, layout, and all other text unchanged.
Do not add extra words. Preserve the existing visual hierarchy and safe margins.

Correct a price and date

Change only the price and event-date blocks.
Set the price to exactly "[PRICE]" and the date to exactly "[DATE]".
Preserve the currency symbol, punctuation, product image, offer badge, background, and all other copy.
Return one clean poster with no additional text.

Create a text-free master

Remove all promotional text from this poster while preserving the product, scene, lighting, composition, brand colors, and empty text areas.
Do not redesign the product or label. Leave clean, balanced space for a headline, price, date, and CTA to be added later in a design tool.

Poster Text QA Checklist

CheckPass condition
HeadlineEvery character, word, line break, and capitalization matches the approved copy.
PriceCurrency, decimal, thousands separator, and tax wording are correct.
Date and timeDay, date, timezone, and start time agree with the campaign calendar.
BrandLogo, product label, colors, and proportions match the reference.
PlacementThe copy stays readable in the final crop and does not enter a platform safe area.
ExportThe final file uses the required dimensions, format, and compression.

Common Mistakes

Do not ask the model to “fix all the text” without supplying approved copy. Do not regenerate the entire poster to correct one digit, and do not approve a result at a reduced preview size. When exact legal, pricing, or multilingual copy matters, keep the final text editable.

FAQ

Can AI correct text in an existing poster?

Yes, especially when the edit is limited to one text region and the replacement is supplied exactly. The result still needs manual verification.

Should I use a mask?

A mask can focus the edit, but it is guidance rather than a guaranteed boundary. Protect nearby elements in the prompt and inspect them afterward.

Why does the correct price change again?

The model may reconstruct the whole text block during an edit. Isolate the price area, quote the exact value, and avoid changing the surrounding design at the same time.

What is the safest workflow for Japanese or Korean poster copy?

Use AI for the image and layout direction, then set final copy in an editable layer when exact characters and line breaks are essential.

Should the final poster keep live text layers?

Yes when the design may need regional, pricing, date, or legal updates. Editable text is easier to audit and revise than flattened generated lettering.

Related Guides

Start with AI poster prompt ideas, use the GPT Image 2.5 guide for model-specific editing, and follow the brand-kit image workflow when the same campaign needs multiple consistent assets.

Correct your poster text with iMini