Reddit · Image ad
Last verified 3 Nov 2026
Check a file against this →Key facts
- Recommended size
- 1440 × 1080
BOfficial recommendation. Evidence details
- Source
- Image Ad Specifications (Reddit Ads Help)
- How verified
- Read directly
- Verified
- 3 Nov 2026
Image Ad Specifications: cross-device, Landscape 4:3 at 1440 x 1080 px recommended; mobile also 1:1 1080 x 1080, 3:4 1080 x 1440, 4:5 1080 x 1350, 16:9 1920 x 1080.
Open source ↗- Aspect ratio
- 4:3
BOfficial recommendation. Evidence details
- Source
- Image Ad Specifications (Reddit Ads Help)
- How verified
- Read directly
- Verified
- 3 Nov 2026
Image Ad Specifications: cross-device, Landscape 4:3 at 1440 x 1080 px recommended; mobile also 1:1 1080 x 1080, 3:4 1080 x 1440, 4:5 1080 x 1350, 16:9 1920 x 1080.
Open source ↗- Max file size · Image
- ≤ 20 MB
- Conflict
AOfficial requirement. Evidence details
- Source
- Carousel Ad Specifications (Reddit Ads Help) · Image Ads: ad type comparison (Reddit for Business)
- How verified
- Read directly
- Verified
- 3 Nov 2026
Carousel Ad Specifications: 20 MB for JPG and PNG (GIFs 3 MB); Reddit for Business's ad type table: image ads JPEG/PNG up to 20 MB. A Fail only past 20 MB (decision D43).
Open source ↗ - Max file size · Image
- ≤ 3 MB
BOfficial recommendation. Evidence details
- Source
- Image Ad Specifications (Reddit Ads Help)
- How verified
- Read directly
- Verified
- 3 Nov 2026
Image Ad Specifications: maximum file size 3 MB. Past 3 MB is a Warning, as other Reddit pages give 20 MB for JPG and PNG (decision D43).
Open source ↗
All requirements
| Property | Rule | Evidence |
|---|---|---|
| File size · Image | ≤ 20 MB | AOfficial requirement. Evidence details
Carousel Ad Specifications: 20 MB for JPG and PNG (GIFs 3 MB); Reddit for Business's ad type table: image ads JPEG/PNG up to 20 MB. A Fail only past 20 MB (decision D43). Open source ↗ |
| File size · Image | ≤ 3 MB | BOfficial recommendation. Evidence details
Image Ad Specifications: maximum file size 3 MB. Past 3 MB is a Warning, as other Reddit pages give 20 MB for JPG and PNG (decision D43). Open source ↗ |
| Property | Rule | Evidence |
|---|---|---|
| Image format | jpg, png, gif | AOfficial requirement. Evidence details
Image Ad Specifications: file type JPG, PNG, or GIF. Open source ↗ |
| Image aspect ratio | 1:1, 3:4, 4:5, 4:3, 16:9 | BOfficial recommendation. Evidence details
Image Ad Specifications: all ratios are accepted, but 1:1, 3:4, 4:5, 4:3 and 16:9 are recommended; other ratios may cause formatting discrepancies such as letterboxing. Open source ↗ |
| Property | Rule | Evidence |
|---|---|---|
| Headline length | ≤ 300 characters | AOfficial requirement. Evidence details
Headline: maximum 300 characters (required). Open source ↗ |
| Headline length | ≤ 100 characters | BOfficial recommendation. Evidence details
Headline: recommended 100 characters or fewer (80 if truncation is a concern); text may be truncated by browser, device and font size. Open source ↗ |
Loudness
No official loudness target. About loudness standards
Notes and caveats
- Image ads in Reddit's feeds (Home, Popular, communities) and conversation pages. Recommended sizes: 1:1 1080 x 1080, 3:4 1080 x 1440, 4:5 1080 x 1350, 4:3 1440 x 1080, 16:9 1920 x 1080. The thumbnail for conversation placement and compact view is generated from the image (or uploaded: JPG, PNG or GIF, 3 MB, 400 x 300 recommended). Destination URL 268 characters, display URL 100. Reddit publishes no safe zones. The Ad Unit Specifications note that animated GIFs aren't currently supported (in its takeover notes).
Sources
- Image Ad Specifications (Reddit Ads Help) · Reddit Inc.Read directly · 3 Nov 2026
- Carousel Ad Specifications (Reddit Ads Help) · Reddit Inc.Read directly · 3 Nov 2026
- Image Ads: ad type comparison (Reddit for Business) · Reddit Inc.Read directly · 3 Nov 2026
Version history
- 3 Nov 2026 · 0.2.9Added from Reddit's Ads Help ad unit specifications, read directly on 3 Nov 2026 (decision D43).