How do I replace a video background online?

Upload a supported clip, process the background replacement, and review the subject against the new scene from start to finish.

Which video formats are supported?

The uploader accepts MP4, MOV, M4V, and MKV files up to 100 MB.

Can I use a white video background?

A white replacement is one direction; inspect pale edges and motion carefully against it.

How is this different from video background removal?

Removal focuses on isolating the subject, while replacement focuses on the new scene behind that subject.

What should I check during motion?

Review hair, hands, fast gestures, blur, occlusions, and similar foreground/background colors.

Can I change an image background here?

Use the image background changer for PNG, JPG, JPEG, or WebP still images.

Replace a Video Background Online

Upload a clip, replace the original scene, and inspect how the subject moves against the new background.

MP4, MOV, M4V, or MKV — up to 100 MB. Review the complete result before publishing.

Upload a videoDrop a video here or choose a file.Choose videoMP4, MOV, M4V, or MKV — up to 100 MB

Upload a clip, replace the original scene, and inspect how the subject moves against the new background.

MP4, MOV, M4V, or MKV — up to 100 MB. Review the complete result before publishing.

Replacement continuity review

Compare the replacement scene across the clip

Check scene fit and edge continuity at more than one moment before publishing the video.

Video subject comparison against a context-matched replacement scene

Subject contrast in the new scene

Review similar colors and the visible outline as the subject moves through the frame.

Use this video comparison to inspect subject contrast, scale, blur, and continuity through the clip.

Early-to-late frame comparison for replacement continuity

Scale, motion, and continuity

Compare start and later frames for placement, blur, and changing edge quality.

Use this video comparison to inspect subject contrast, scale, blur, and continuity through the clip.

Choose a replacement that fits the clip

The new background should support the subject across every frame.

A simple backdrop

Use an uncluttered scene when clear subject separation matters.

A creative scene

Choose context that suits the clip without competing with the subject.

A white background

Inspect pale edges and motion against the bright field.

The same video subject compared in an original studio and a replacement interior scene.

Custom imagery for scene context

Choose a replacement image whose subject scale and perspective fit the source clip.

Make the replacement work across motion

Review the visual relationship between subject and scene over time.

Subject contrast

Check similar colors as the subject moves across the frame.

A subject placed in a replacement room with matched scale, perspective, light, and shadow.

Scale and placement

Confirm the subject remains intentionally positioned throughout the clip.

Moving video subject with hair and clothing edges visible across sequential positions.

Edge continuity

Inspect hair, gestures, blur, and occlusions from start to finish.

Video subject partly crossed by a hand and foreground object during motion.

Cuts and fast transitions

Review the replacement immediately before and after scene changes for visible discontinuities.

Replacement-scene choices for moving subjects

File limits, subject contrast, scale, motion continuity, and background type require separate checks.

Video camera, editing monitor, and generic film-strip thumbnails on a studio desk.

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MP4, MOV, M4V, MKV

Upload a supported clip up to 100 MB.

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Inputs

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Contrast and scale

Compare subject placement with the replacement.

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Scene fit

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Full clip

Inspect changing edges before publishing.

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Motion review

Quality, Privacy, and Workflow Checks

Before you open the workspace, these checkpoints explain where the online tool fits, what file and quality limits to expect, and how uploads are handled.

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Upload privacy and file deletion

Uploaded photos and videos are processed for the requested background edit, then removed from active processing storage after the result is generated.

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Temporary processing

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File formats and quality limits

Use JPG, PNG, WebP, MP4, or MOV files depending on the workflow. Very low-resolution sources, heavy blur, or extreme motion can limit final edge quality.

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Format-aware exports

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Online tool vs manual workflow

The AI workspace is best for fast, repeatable background edits; manual Photoshop-style masking still helps when a file needs pixel-level art direction.

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Faster than manual masking

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When the result is ready to use

Product photos, portraits, passport-style images, and short clips work best when the subject is clear, well lit, and not heavily obstructed.

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Use-case fit check

Pricing That Fits Every White-Background Workflow

Start free, choose a recurring plan for steady production, or buy credits when you only need a few clean white-background exports.

MonthlyYearlySelect Plan

Video background replacement questions

Answers cover supported clips, white and custom scenes, motion review, still images, and output limits.

Replace a video background and review continuity

Process the clip, select the new scene, and compare early, middle, and later frames.

Upload the video

Choose an MP4, MOV, M4V, or MKV file up to 100 MB.

Process the background replacement

Apply the video workflow so the subject can appear against a new scene.

Review from start to finish

Inspect motion edges, contrast, placement, and occlusions across the complete clip.

Replace a Video Background Online

Open the video workspace to compare the moving subject against the selected replacement scene.

Open workspace Inspect removal first

A side-by-side comparison of a video with its original background and a clean replacement background.

Ready

Background removed