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Free tool · Tracking and creative
Creative Studio
A free ad image resizer and CTA maker in four steps: upload one image, fit it to every LinkedIn, ChatGPT ads and display size, add your CTA and logo once, and export files that fit each platform's limits. Then preview the same ad in ChatGPT, Google AI Overviews and AI Mode.
- Free, no sign-up
- Runs in your browser
- Checked 19 October 2026
How it works
How to use the Creative Studio
- Upload one image. Large photos are scaled down automatically; remove a plain background if you need to.
- Pick the sizes. Each one is filled automatically; drag and resize in the preview to fine-tune the crop.
- Add your CTA button and logo once; they appear on every size and can be moved per size.
- Export: each file is compressed to fit its platform limit, then download one size or all of them as a ZIP.
- Open AI ad previews to see the ad in ChatGPT, Google AI Overviews, AI Mode and a Gemini concept, and download the previews with your ad copy.
| What | How it's worked out |
|---|---|
| Fill and crop | Scale to cover the size, crop where you drag the image |
| Background remover | Removes pixels close to the background colour (auto-detected from the corners or picked by you), from the edges inwards or everywhere, with a soft edge |
| Fit inside | Scale to fit, fill the rest with the background colour |
| 150 KB option | JPG or WebP quality lowered in steps of 8 points, down to 42% |
| Warnings | Over 150 KB on display sizes, over 5 MB on LinkedIn sizes, upscaled more than 5%, WebP chosen for ad platforms that expect JPG or PNG |
From our media team
How to use the result
- Design for the smallest size first. A message that reads at 320 × 50 works everywhere; a busy layout doesn't survive the crop.
- Keep text and logos away from the edges when you crop the same image into very different ratios.
- Use JPG or WebP for photos and PNG for flat graphics with sharp text.
- ChatGPT ads are square. AnswerBid recommends a square PNG or JPG up to 1200 × 1200, with no design that imitates a chat message.
Read next
- Display ad sizes and specs for B2B in 2026: Google, LinkedIn and ChatGPT adsThe ad sizes B2B campaigns actually need in 2026: Google uploaded display sizes and the 150 KB limit, GIF and HTML5 rules, responsive display image specs, LinkedIn…
- LinkedIn ad formats for ABM: which to use at each stageLinkedIn ad formats compared for account-based marketing: single image, carousel, document, video, Thought Leader, message and conversation ads, with sizes, text…
- Choosing images for ChatGPT adsHow to choose ChatGPT ad images: simple, relevant, matched to the message, square and within 1200 × 1200, with B2B ideas and rejection causes.
- ChatGPT Ad Mockup GeneratorFree ChatGPT ad mockup generator: preview your ad title, copy, logo and image under an AI answer, check lengths against OpenAI's limits and download a PNG.
Questions
Straight answers.
What is the file size limit for Google display image ads?
150 KB for uploaded image ads. HTML5 ads can be up to 600 KB with no more than 40 files in the ZIP.
What image sizes does LinkedIn use for single image ads?
1200 × 628 landscape, 1200 × 1200 square and 720 × 900 vertical are the common recommended sizes, up to 5 MB.
What size is a ChatGPT ad image?
Use a square image up to 1200 × 1200 in PNG or JPG.
Are my images uploaded?
No. Resizing happens in your browser with the canvas API. Nothing is sent to AnswerBid.
More free tools
Related tools
Sources: Google Ads Help: Uploaded display ads specifications; Brandwatch: LinkedIn ad sizes and specs.
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