Combine WebM Files

Merge WebM files online and for free

Merge WEBM

Completely Online

There is no need to download and install any app to your phone, tablet or computer — use the online Clideo tools instead.

Add a Great Song

To complete the atmosphere of your video, add music to the project. Don't forget to adjust its length and volume.

Video Combining Options

Select from several resolutions, formats, and crop options to create one amazing video!

What is a WebM joiner

WebM is an open container format for multimedia files that was first presented by Google in 2010. It supports VP8 and VP9 video, Vorbis and Opus audio.

Clideo's WebM Merger is able to combine videos, pictures and audio of different formats. It also lets you adjust the final result and save it in any extension.

Our service is online, it works on any device and in any browser with no installations needed. Each file that you upload can be up to 500 MB for free.

How to combine WebM files

Need help?
Step
1
Upload WebM and other files
To add files from your device, click "Choose files". Note that you can add all the needed content at once. To upload a video or an image stored online, click on the arrow on the right side and select the option you like.
Step
2
Join WebM files together
Add more files if necessary by using the button at the top right. Then rearrange them. Select an aspect ratio among the four available ones. Crop the frame or add borders. You're also able to add an audio file, cut it, and set its volume. Once you're done, select an output format on the bottom left and click "Export".
Step
3
Download the result
The compilation is ready to be saved to your personal device or cloud storage. If you want to make some changes, click "Edit" — don't worry, this button won't make you start over.

Frequently Asked Questions

FAQ

Is it possible to add transitions when merging clips with your merge tool?

Yes, combine WebM files and add a crossfade transition for a more seamless clip blending.

Can WebM files with differing aspect ratios be merged?

Yes, you can combine WebM files and control the final aspect ratio and cropping option.

How many WebM files can be merged together?

The Combine WebM Files tool supports merging many videos into one. Premium accounts have larger file size limits.

Does merging WebM files compromise sound quality?

Sound quality stays unchanged. You can also replace original audio with a custom track.

Can I add custom audio while merging WebM files?

Yes, the merge tool supports uploading your music track and adjusting audio levels during merging.

Does the tool support combining various video formats?

The tool automatically handles format conversion from MP4, WebM, AVI, MOV and other types into one unified output.

Is clip reordering available when merging WebM files?

Yes, the service features drag-and-drop functionality to easily rearrange your video sequence before merging.

Can I merge video files without creating an account?

Yes, the tool allows you to combine videos without needing to log in.

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