Trim Video Online Free, No Upload
Cut, trim, and split video files directly in your web browser. 100% private client-side processing with zero server uploads. Supports MP4, MOV, WebM, and MKV with millisecond precision and no watermarks.
How to Trim Video Online
- Select Video File: Drag and drop your MP4, MOV, or WebM video file. Your file stays safely on your device.
- Set Start and End Cut Points: Drag the interactive timeline handles or enter exact minutes and seconds.
- Preview & Save: Preview the loop and download your cut clip instantly without re-encoding quality loss.
Features & Private In-Browser Architecture
OnlineTrimmer operates entirely client-side using WebAssembly and modern browser media decoders. Unlike traditional converters, your media files are never transferred over the internet to remote cloud servers. This ensures absolute confidentiality for private recordings, security footage, and confidential documents while eliminating upload wait times.
Supported Formats & Tools
- Video Trimmer — Cut MP4, MOV, WebM, MKV, AVI
- Audio Trimmer & MP3 Cutter — Cut MP3, WAV, M4A with visual waveform
- Split PDF Online — Extract and delete PDF pages visually
- Sign PDF Online — Draw and place electronic signatures
- Trim MP4 Online | Trim MOV | Trim MKV | Cut MP3 | Cut WAV
Frequently Asked Questions
Are my files uploaded to any server? No. Processing is 100% client-side in your browser.
Are there file size limits? Videos up to 1GB and uncompressed audio process smoothly in memory.
Is there a watermark? OnlineTrimmer is 100% free with zero watermarks.