Drop your video here or click to browse
Supports MP4, WebM, MKV up to 500MB
How to Trim a Video Online Without Uploading
- 1
Load your video file
Drag and drop your video onto the trimmer or click the upload area to browse your files. The video loads directly into your browser memory without being sent to any server. MP4, WebM, MKV, and MOV files are all supported. - 2
Set your start and end points
Use the timeline scrubber to position the start and end markers at the exact timestamps you want. You can also type precise times manually for frame-accurate control. The duration indicator updates in real time as you adjust. - 3
Preview the trimmed clip
Click Preview Trim to watch only the selected portion of your video before committing. This lets you verify you have exactly the right segment without waiting for the full processing step. - 4
Trim and download
Hit Trim Video to start processing. The tool uses WebAssembly-powered FFmpeg to cut your video locally. When finished, click Download to save the trimmed clip. The original file is never modified.
Common Use Cases
Social media clips
Screen recording cleanup
Presentation segments
Removing intros and outros
Why use our Video Trimmer?
This video trimmer runs entirely in your browser using WebAssembly-compiled FFmpeg. When you load a video, the file stays on your device. There is no upload step, no cloud processing, and no server that ever sees your footage. This matters for anyone working with private screen recordings, unreleased content, or videos that contain sensitive information. Processing speed depends on your hardware rather than your internet connection, which often makes local trimming faster than cloud-based alternatives.
The tool supports all major container formats including MP4 (H.264/H.265), WebM (VP8/VP9), MKV, and MOV. When the input and output formats match, the trimmer uses transmuxing to copy video and audio streams directly without re-encoding. This preserves the original bitrate, resolution, and quality exactly. Re-encoding only occurs when you convert between formats, and even then the output uses high-quality encoding defaults.
After trimming, you can continue editing your clip with other browser-based tools. Convert the result to an animated GIF with the Video to GIF converter, reduce file size with the Video Compressor, change dimensions using the Video Resizer, or extract the audio track with the Video to Audio extractor. Every tool in this pipeline processes locally with zero uploads.
How It Compares
Most online video trimmers such as Kapwing, Clideo, and Adobe Express require you to upload your video to their servers before processing begins. This introduces three problems: upload time that depends on your internet speed, privacy concerns about your footage sitting on third-party infrastructure, and limitations tied to free-tier accounts. Kapwing adds a watermark on free exports and requires a login. Clideo limits free output to 500 MB and adds branding. Adobe Express requires an Adobe account and processes everything server-side.
This trimmer takes a fundamentally different approach. Your video never leaves your device. There is no account to create, no watermark on the output, and no cap on how many videos you can trim. Because processing happens through WebAssembly in your browser, even users on slow connections get the same performance. The tradeoff is that very large files depend on your device having enough RAM, whereas server-based tools can handle bigger files on their infrastructure. For the vast majority of trimming tasks under 1-2 GB, the local approach is faster and more private.