Recommended Formats for Popular Platforms

If you plan to upload your merged file, these settings give the best compatibility.

YouTube

• Container: MP4
• Video: H.264
• Audio: AAC
• Resolution: keep original or 1080p

TikTok

• Container: MP4
• Video: H.264
• Audio: AAC
• Aspect ratio: 9:16 (vertical)

Bilibili

• Container: MP4
• Video: H.264
• Audio: AAC
• Avoid overly high bitrates to reduce upload time

General tips

• Use Copy when source already matches the above.
• Re‑encode only if the platform rejects the file.