Video Splicer

Splice and join multiple video files into one

Click to upload files or drag and drop files here

Maximum file size: 100MB Maximum files: 20
Supported formats: video/*

Key Facts

Category
Images, Audio & Video
Input Types
file, select, checkbox
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Video Splicer is a streamlined online utility designed to merge and concatenate multiple video files into a single, cohesive video. Supporting up to 20 files in popular formats like MP4, MKV, WebM, AVI, and MOV, this tool allows you to quickly combine clips in your preferred order with optional re-encoding to guarantee seamless playback compatibility.

When to Use

  • •When you need to combine multiple recorded video clips or camera takes into a single continuous file.
  • •When merging separate video segments, such as standard intros, main content, and outros, for social media uploads.
  • •When compiling short video highlights or family clips into a unified home video compilation.

How It Works

  • •Upload between 2 and 20 video files in the exact order you want them to be spliced.
  • •Select your desired output format, such as MP4, MKV, WebM, AVI, or MOV.
  • •Enable the re-encode option if your source videos have different resolutions, frame rates, or codecs to ensure smooth playback.
  • •Process the files to merge them and download your combined video.

Use Cases

Merging separate video takes from a smartphone or camera into a single continuous presentation.
Attaching standard intro and outro clips to a main tutorial or marketing video.
Combining multiple short social media clips into a longer compilation video for YouTube or Vimeo.

Examples

1. Combining Drone Footage Clips

Content Creator
Background
A content creator captured five separate scenic drone shots during a weekend trip and wants to share them as a single continuous video on social media.
Problem
The clips are in separate MP4 files and need to be joined sequentially without complex video editing software.
How to Use
Upload the five MP4 drone clips in chronological order, select 'MP4' as the output format, leave 'Re-encode video' unchecked since they share the same camera settings, and run the splicer.
Example Config
Output Format: MP4, Re-encode: False
Outcome
A single, seamless MP4 video containing all five drone shots played back-to-back.

2. Merging Mixed-Format Presentation Slides

Educator
Background
An educator recorded three separate lecture segments using different devices, resulting in a mix of MOV and MP4 files with varying resolutions.
Problem
The different formats and resolutions might cause playback errors or stuttering if joined directly without normalization.
How to Use
Upload the three video segments, select 'MP4' as the output format, and check the 'Re-encode video' option to standardize the video streams.
Example Config
Output Format: MP4, Re-encode: True
Outcome
A fully compatible, single MP4 lecture video with smooth transitions and consistent playback across all devices.

Try with Samples

video, file
Video Samples
Sample video files in different formats and orientations
title token video
video
Video AV1 Samples
Sample video files encoded in AV1 format
title token video
video
Video H.264 Samples
Sample video files encoded in H.264 (AVC) format
title token video
video
Video H.265 Samples
Sample video files encoded in H.265 (HEVC) format
title token video
video

Related Hubs

Video-to-Audio and Animation Conversion Tools
Compare tools that turn video into audio, extract video streams, and convert between short-form video and animated image formats in one hub.
Video Preview, Extraction, and Subtitle Tools
Compare video preview generation, stream extraction, audio extraction, subtitle translation, and quick flip tools in one hub for lightweight video prep workflows.
Audio Encoding and Format Conversion Tools
Compare audio format conversion, bitrate changes, sample-rate conversion, codec swaps, and export tools in one hub for delivery and archive workflows.
Image Format Conversion and Animated Export Tools
Compare image format converters for JPG, PNG, GIF, AVIF, WebP, TIFF, ICO, base64, and animation-friendly exports in one hub.

FAQ

How many video files can I splice at once?

You can upload and merge between 2 and 20 video files in a single session.

What is the maximum file size supported?

The tool supports individual video files up to 500 MB (524,288,000 bytes) in size.

Should I enable the 'Re-encode video' option?

Yes, enable re-encoding if your source videos have different resolutions, frame rates, or formats to prevent playback issues in the final output.

What output formats are supported?

You can export your merged video as MP4, MKV, WebM, AVI, or MOV.

Does this tool support audio track merging along with the video?

Yes, the tool preserves and merges the audio tracks embedded within your uploaded video files.

API Documentation

Request Endpoint

POST /en/api/tools/video-splicer

Request Parameters

Parameter Name Type Required Description
videoFiles file (Upload required) Yes -
outputFormat select No -
reEncode checkbox No -

File type parameters need to be uploaded first via POST /upload/video-splicer to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-video-splicer": {
      "name": "video-splicer",
      "description": "Splice and join multiple video files into one",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=video-splicer",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]