Merge Video

Combine multiple video clips into one file securely.

Click to add video clips (Multiple files allowed)
Supports MP4 (Max 5 files for stability)
100% Private & Secure:
Your videos are never uploaded to any server. Everything is processed locally inside your browser.

Related Tools

AI Video Subtitle Translator

AI Video Subtitle Translator

Generate and translate video subtitles directly from audio using local secure AI logic.

Video Speed Changer

Speed up or slow down videos online

✂️

Online Video Trimmer

Trim or cut videos easily with no watermark

🎵

Video to MP3

Extract high-quality audio from videos locally

🔇

Mute Video

Remove audio tracks from videos in one click

🎞️

Video to GIF

Convert videos to high-quality GIFs with custom FPS

Reverse Video

Create cool backwards playing video effects

🛡️

Video Watermark

Add logos or text to videos securely online

📉

Video Compressor

Reduce MP4 file sizes while maintaining quality

🔄

Rotate Video

Fix sideways, upside-down, or mirrored videos

🌐

Video to WebP

Create small, high-quality WebP animations

🔥 Other Tools You Might Like

Split PDF

Split PDF

Extract specific pages or split PDF files

Calculate Age from Excel

Calculate Age from Excel

Convert thousands of birthdates into exact age instantly

Flowchart Maker

Flowchart Maker

Auto-draw flowcharts and export to PDF

Community Mapping Tool

Community Mapping Tool

Create community maps, plot household coordinates, and manage GIS data easily.

Lock Excel Sheets

Lock Excel Sheets

Add password protection to multiple sheets instantly

10-Year Diabetes Risk Assessment

10-Year Diabetes Risk Assessment

Compute your 10-year probability of developing Type 2 Diabetes using the standard Thai Diabetes Risk Score clinical model. Processes personal health metrics and bulk files locally with absolute privacy.

Tired of Slow Uploads and Ruined Videos with Watermarks?

We know the frustration of trying to find a simple tool to combine videos. Most online video joiners come with annoying drawbacks:

❌ Painfully Slow Uploads Waiting hours just to upload multiple large video files to a server before you can even start.
❌ Loss of Video Quality Many tools aggressively compress your files, leaving you with blurry and pixelated results.
❌ Unexpected Watermarks "Free" tools often force their huge logo onto your merged video unless you pay for a premium plan.
❌ Privacy Concerns Uploading personal or confidential footage to an unknown cloud server is a major security risk.

✨ ITKB Video Merger combines your videos locally on your device—instant, secure, and 100% watermark-free.

Merge Videos Online Free! Join MP4 Files Securely Without Uploading

Need to stitch multiple clips together? The ITKB Video Merger allows you to easily combine MP4, MOV, or WebM files into one seamless video. Powered by Local Processing technology, it does all the heavy lifting right inside your browser. No server uploads, no data waste, and no software installation required!

Drag, Drop & Reorder

Easily add multiple files and drag them into the exact sequence you want before merging.

Zero Upload Time

Because it processes files locally on your device, you bypass slow internet upload speeds entirely.

100% Private & Secure

Your videos never leave your computer. We do not store or have access to your private content.

How to Merge Multiple Videos (In 3 Simple Steps)

Step 01

Upload Video Files

Drag and drop your video files (MP4, WebM, MOV) into the workspace. Files are loaded instantly into your browser.

Step 02

Arrange Clip Order

Simply drag and reorder your clips to determine the sequence. Arrange your story exactly how you want it.

Step 03

Merge and Download

Click "Merge Video". The system combines your clips into one single file ready for download. No Watermark.

Frequently Asked Questions (FAQ) - Online Video Merger

Q: Is it really free? Will there be a watermark?

A: 100% Free with No Watermark! ITKB provides this video merger tool without hidden costs, ensuring your final video looks professional.

Q: What happens if I merge videos with different resolutions?

A: Our system automatically adjusts the resolution of all clips to match, ensuring a smooth playback experience without aspect ratio issues.

Q: Can I merge large video files?

A: Yes! Since the process runs locally on your device, you don't need to wait for uploads. It can handle large files as long as your device has enough memory (RAM).

Q: How safe is my video data?

A: Maximum Security. Your video files never leave your device. All processing happens within your browser, so your privacy is completely protected.