Platform creative delivery

Reddit Video Ads · Feed
Creative Specifications

Published requirements, recommendations, and delivery guidance from the governed Cphere specification catalog.

Formats supported
Image Ads · Video Ads · Dynamic Product Ads
Primary campaign uses
Not specified by platform
Last verified
Aug 2, 2026
Recommended delivery package
Not specified by platform
Catalog status
Current
Reddit creative formats
Published catalog 5Published August 2, 2026

Quick delivery checklist

What to send Cphere

  • Final platform-ready creative
  • Approved copy and CTA
  • Destination URL and tracking parameters
  • Brand and legal requirements

Canonical records

Placement specification

Video Ads

Published format-level guidance.

Current

Required

Not specified by platform

Recommended

Not specified by platform

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Feed

Required
Headline Limit
300 characters maximum; 100 or fewer recommended; 80 or fewer is the safer display limit
File Types
MP4 · MOV — ProRes is not supported.
Maximum File Size
1 GB
Maximum Frame Rate
30 fps
Duration
At least 2 — 5–30 seconds recommended.
Minimum Duration Seconds
2
Thumbnail
JPG/PNG/GIF, 3 MB maximum, aspect ratio matching the video; auto-generated and replaceable
Recommended
Aspect Ratios
4:3 (1440x1080) · 16:9 (1920x1080) · 1:1 (1200x1200) · 3:4 (900x1200) · 4:5 (1200x1500)
Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Delivery detail

File, copy, audio, and destination requirements

File requirements

Not specified by platform

Copy requirements

Not specified by platform

Audio requirements

Not specified by platform

Tracking requirements

Not specified by platform

Landing-page requirements

Not specified by platform

Prohibited or unsupported elements

No prohibited-element list is published for this record.

Interface-aware delivery

Safe zones

No verified safe-zone diagram is published for this placement. Do not infer pixel-safe areas.

Clearly separated guidance

Recommended best practices

No additional Cphere best-practice copy is published for this record.

Source transparency

Sources and verification

Last verified: Aug 2, 2026. Platform requirements may change; check these official references before final delivery.

Reddit trademarks belong to their respective owners. Cphere does not imply endorsement or partnership.