AI Video Expander guides and answers
Short answers to what people ask about AI Video Expander videos, each with the steps and the maker on the same page.
How to turn a vertical video into horizontal without black bars or blur
Use AI video outpainting: it keeps your vertical clip as it is in the middle and generates the missing picture on the left and right, frame by frame, so the result is a full 16:9 video. On AI Video Expand you upload the clip (MP4 or MOV, up to 60 seconds), pick 16:9 and pay $4.99 for up to 10 seconds at 720p; the MP4 with your original sound is ready in about 1 to 3 minutes.
How to remove black bars from a video by generating the missing picture
Cut the bars off first (most editors can crop them, or export the clip without them), then let AI outpaint the sides: it paints new picture that continues the scene, so the video fills a 16:9 screen without zooming in and losing the top and bottom. On AI Video Expand: upload the cropped clip, pick 16:9, $4.99 for up to 10 seconds.
How to turn a TikTok (9:16) into a YouTube video (16:9) without cropping
Expand the clip to 16:9 with AI outpainting: your TikTok stays as it is in the middle and new picture is generated on both sides, so YouTube shows it full-screen instead of between black bars. AI Video Expand takes clips up to 60 seconds, from $4.99, keeps the original sound and adds no watermark. Download the TikTok without its watermark first if you can (your own drafts or the original camera file are best).
How to make a horizontal video vertical (9:16) without cropping people out
Instead of cropping the sides of a 16:9 video (and losing whoever stands there), expand it to 9:16: the whole frame stays, and AI paints new picture above and below it. On AI Video Expand upload the clip, pick 9:16, $4.99 for up to 10 seconds.
Can you expand a video with AI for free?
Partly. videoexpander.ai expands the first 8 seconds free and Magic Hour gives 3 free 5-second 480p runs a day with a watermark (both checked 2026-11-09); a blurred-background fill in any editor is free but isn't real picture. AI Video Expand has no free tier: 720p: $4.99 for up to 10 seconds, $9.99 up to 20, $29.99 for a full minute; 1080p costs twice that. One payment per clip, no subscription; or credit packs from $12.99.
AI video expanders compared
For a free try, videoexpander.ai (first 8 seconds, no sign-up, but a slow shared queue). For editing inside a full video suite, Runway. For one clip at a time without a subscription, the whole clip up to 60 seconds, 720p or 1080p and your own sound, AI Video Expand.
Can ChatGPT expand a video or change its aspect ratio?
Not by generating new picture. ChatGPT can expand a still image with its image tool, and with an uploaded file it can sometimes pad, crop or blur a video using code, but it doesn't return a video with new scenery painted around a moving clip. For that, use a video outpainting tool: on AI Video Expand upload the clip, pick the shape, $4.99 for up to 10 seconds.
Video expander or video extender: wider picture or a longer video?
An expander, also called video outpainting or uncrop, makes the picture wider or taller: a 9:16 clip becomes 16:9, same length. An extender continues the video in time: an 8-second clip becomes 12 seconds, same shape. AI Video Expand is an expander; it doesn't add seconds.
AI video expand not working? Fixes
A run that fails gives its credits back automatically, so you can try again. Clear failures (broken edges, a smeared side) get a redo or their cost back: email support@aivideoexpand.com within 7 days.