---
title: "Reddit Image Ad Specs | Clean Digital"
description: "Check Reddit Image Ad specs for dimensions, aspect ratios, file types, file size limits, QA checks and verified official sources."
canonical: "https://cleandigital.co.uk/tools/ad-spec-library/reddit/image-ad"
image: "https://cleandigital.co.uk/images/resources/previews/ad-spec-library-poster.png"
content_signal: "ai-train=no, search=yes, ai-input=yes"
---

# Reddit Image Ad specs

Multiple aspect ratios are accepted depending on placement context.

Platform Reddit

Media type image

Campaign type Promoted Post

Placement Feed

[Build a cross-platform creative brief](https://cleandigital.co.uk/tools/ad-spec-library)

## Technical requirements

Confirm these limits before final export. Where a field is not specified, check the linked platform source before trafficking the asset.

Dimensions 1080 × 1080 px

Minimum dimensions Not specified

Aspect ratio 1:1 (common)

File types JPG, PNG, GIF

Maximum file size 3 MB

Duration Not specified

Supports multiple ratios including 4:5, 4:3, 16:9.

## Creative QA checklist

1. Validate primary ratio before publish
2. Use concise headline and CTA copy
3. Avoid dense text blocks on creative

## Sources and verification

Check the official source again when a campaign has unusual delivery or format requirements.

- [Reddit for Business learning hub](https://www.business.reddit.com/learning-hub/articles/reddit-image-ad-specs)

 Last verified 5 March 2026

[Reddit documentation](https://www.business.reddit.com/learning-hub)

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