Resize a Video Online
Scale a video to a specific width or height locally, with a preview that makes the output dimensions explicit. Fit Instagram, TikTok, YouTube. One video, every platform. Preset aspect ratios — no upload, no watermark, no account. No account or watermark is required.
- Match a delivery dimension
- Handy for ad specs, email embeds, and consistent catalog exports
- Preview before downloading
…or drag & drop anywhere on the preview
Accepts MP4, WebM, MOV and any video your browser can play. Files never leave your device.
Common sizes
What you can do with this tool
Real ways creators, marketers, and teams use it every day.
Match a delivery dimension
Scale a video to a specific width or height locally, with a preview that makes the output dimensions explicit.
A focused browser workflow
Handy for ad specs, email embeds, and consistent catalog exports
A clear export decision
Use the smallest dimensions that satisfy the destination instead of scaling by guesswork.
How it works
Three simple steps. No signup, no installer, no waiting.
Choose a video
Select an MP4, WebM, or MOV file from your device. It is opened locally.
Configure resize video
Set the target dimensions and confirm whether the aspect ratio should be preserved.
Export
Start the browser export and download the completed file to your device.
Features you'll love
Everything is built for speed, privacy, and zero friction.
Local processing
Source media is not uploaded to an iLoveVideoTools server.
Task-specific preview
Upscaling cannot restore detail that was not present in the source.
Tool-specific controls
The interface exposes only the settings supported by this tool.
No account required
Open the tool and begin without creating an account.
Why creators choose our Resize Video tool
We focus on privacy, speed, and simplicity — not upsells.
Resize a Video Online is a focused utility in iLoveVideoTools. Use the smallest dimensions that satisfy the destination instead of scaling by guesswork.
Scale a video to a specific width or height locally, with a preview that makes the output dimensions explicit. Processing starts only after you choose a file, and the source stays in the browser while the result is prepared.
Frequently asked questions
Is Resize Video free?▼
Yes. It does not require an account and adds no watermark.
Is my video uploaded?▼
No. The source file is read and processed locally by your browser.
What should I check before exporting resize video?▼
Upscaling cannot restore detail that was not present in the source.
All tools
Speed Change
Make a clip faster or slower in the browser for tutorials, recaps, time-lapses, and pacing fixes. Slow down the goal. Speed up the tutorial. Precise playback control in your browser — no upload, no watermark, no account. No account or watermark is required.
Rotate / Flip
Correct orientation or mirror a video locally without installing a desktop editor. Fix the sideways phone video. Rotate or flip by any angle — no upload, no watermark, no account. No account or watermark is required.
Convert Format
Convert a local video to a supported delivery format in the browser without uploading the source. Convert video to MP4, WebM, MOV, or MKV in your browser — no upload or watermark. No account or watermark is required.
Automate Resize Video via the API
The same operations are available programmatically — REST API, MCP server for AI agents, and Zapier/Make/n8n integrations.
Ready to Resize Video?
Start editing now — no upload to servers, no account needed.
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