Free Video Merger
Combine multiple videos into one seamless MP4 file.
Free video joiner for merging B-roll, intros, or multi-part recordings — pair with the video trimmer to tidy each clip first.
Drop your video files here
or click to browse • MP4, AVI, MOV, MKV, WebM
Editing is a pain in the ass, right?
That's why we're building Cubix. No more editing hell.
AI Video Editor
Drop your footage, tell it what you want. Cubix cuts, captions, color grades, and exports — fully on its own. No timeline. No manual work. Just results.
Cinematic Screen Recorder
Hit record on Windows. Auto-zoom, cinematic backgrounds, and studio-quality audio kick in automatically — your screen recording looks edited before you've touched a thing.
Multi-Video
Merge any number of videos in your preferred order.
Auto Resolution
Automatically normalizes resolution and frame rate across clips.
Fast Processing
Quick merging with optimized H.264 encoding.
Frequently Asked Questions
Is this video merger free to use?
Yes. You can merge multiple videos for free without creating an account.
How do I combine two MP4 files online for free?
Upload both clips, drag them into the order you want, then merge and download a single MP4 — no install.
What output format does the merged video use?
The merged output is generated as an MP4 file for broad compatibility.
Can I reorder clips before merging?
Yes. You can arrange clips in your preferred sequence before processing.
Will clips with different resolutions still merge?
Yes. Cubix normalizes clip settings to produce one consistent merged output.
Related video tools
Trim clips, change speed, convert to MP4 or MKV, extract audio, and GIF export.