✦ToolMagic

Video Trimmer

Cut and trim your videos with precision using our visual timeline editor. Works entirely in your browser — no uploads required.

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Drop your video here or click to upload

Supports MP4, WebM, MOV

What is the Video Trimmer Tool?

The ToolMagic Video Trimmer is a free, browser-based video editing tool that lets you cut and trim videos without installing any software or uploading files to a server. It supports MP4, WebM, and MOV formats and provides a rich visual timeline with thumbnail strips extracted from your video. Using draggable start and end handles, you can select the exact portion of your video you want to keep. The tool features a full video player with custom controls, frame-accurate seeking, and the ability to preview your trimmed selection before exporting. All processing happens locally in your browser using the HTML5 Video API, Canvas API, and MediaRecorder API, ensuring your videos remain completely private. The exported result is a high-quality WebM file that you can download instantly.

How to Trim a Video Online

  1. Upload your video: Drag and drop a video file onto the upload area, or click to browse your files. Supported formats include MP4, WebM, and MOV.
  2. Set trim points: Use the draggable handles on the visual timeline to set your start and end points. You can also use the "Set Start" and "Set End" buttons to mark points from the current playback position.
  3. Preview your selection: Click "Play Selection" to preview only the trimmed segment and make sure it looks right.
  4. Export: Click the "Export Trimmed Video" button. The tool will process your video and generate a downloadable WebM file.
  5. Download: Once processing is complete, your trimmed video will automatically download.

Features

  • Visual timeline with thumbnails: See frame thumbnails extracted from your video for precise navigation.
  • Draggable trim handles: Intuitive start/end handles with time display for frame-accurate trimming.
  • Real-time preview: Preview your trimmed selection before exporting to ensure perfection.
  • Custom video player: Full playback controls with current time and duration display.
  • No file uploads: Everything processes in your browser — your videos never leave your device.
  • Multiple format support: Works with MP4, WebM, MOV, and other browser-supported video formats.
  • Progress indicator: Real-time progress bar during export so you know exactly how long it will take.
  • File information: View your video's duration, resolution, file size, and format at a glance.

Why Trim Videos in the Browser?

Traditional video editing requires downloading heavy software like Adobe Premiere or Final Cut Pro. Online tools typically require uploading your video to a server, which is slow and raises privacy concerns. ToolMagic's Video Trimmer solves both problems by processing everything directly in your browser using modern web APIs. This means instant results with zero privacy risk — your video data never leaves your computer. The MediaRecorder API captures the trimmed segment in real-time, producing a high-quality WebM output file. Whether you're trimming a screen recording, cutting a clip for social media, or removing unwanted sections from a personal video, this tool handles it all without any software installation, account creation, or file upload.

Supported Video Formats

The Video Trimmer supports all video formats that your browser can play natively. This typically includes MP4 (H.264), WebM (VP8/VP9), and in some browsers MOV (on Safari/macOS). The output is always exported as WebM format, which is widely supported across modern browsers and platforms. WebM uses the VP8 or VP9 codec, offering excellent quality at reasonable file sizes. If you need to convert the output to another format, you can use our other video tools or any video converter.

Frequently Asked Questions

Is my video uploaded to any server?

No. All processing happens entirely in your browser. Your video never leaves your device, ensuring complete privacy and security.

What is the maximum video size I can trim?

There is no hard limit, but very large videos (over 2GB) may be slow to process depending on your device's memory and processing power. For best results, we recommend videos under 500MB.

Why is the output in WebM format?

The tool uses the browser's built-in MediaRecorder API for export, which natively produces WebM files. This ensures fast, reliable processing without requiring any external libraries.

Can I trim videos on mobile?

Yes! The tool is fully responsive and works on mobile browsers. However, export performance may vary depending on your device's processing power.