Cut MKV Files Online, Free
Cut MKV files online, free, with no sign-up and no watermark. Upload any MKV, set the start and end, and keep that range or cut it out. EchoWave's servers handle the heavy encoding, so an old laptop finishes as fast as a new one, with nothing to install and no codec pack to hunt down. A multi-track timeline, captions and a choice of MP4, MKV, MOV or WebM output are in the full editor (free editor exports there are 720p MP4 with a small badge and a short end card).
Cut MKV Files Online, Free Features
EchoWave's MKV cutter is used by streamers, teachers and video teams around the world.
MKV editing
Cut MKV files without the codec headache
MKV is a great recording container and an awkward editing one. Most built-in players and editors refuse to open it. EchoWave accepts MKV directly, alongside 19 other formats, in the same tools as the video cutter and video trimmer. Cut what you need online; choosing the MKV or MP4 container is a full editor option. Need a straight format change instead? The video converter hub covers 176 pairs.
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20
video formats accepted, MKV included
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56
transitions for joining kept sections (full editor)
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1-120
fps range on full editor custom exports (120 needs Ultra)
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176
caption presets for burned-in subtitles (full editor)
Built for MKV
Everything you need after the upload
The features below are in the full editor, not the quick cut tool. A full editor sits behind the cut, so the trim you came for is rarely where you stop.
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Cut MKV files on a real timeline
Set in and out points, split a long recording into scenes, and ripple delete the gaps so nothing drifts out of sync. Frame stepping and timeline zoom get the cut exactly on the action, not a second early. It is the same editor behind the video cutter, so every trim tool works on your MKV.
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Honest about the browser preview
Browsers rarely decode MKV, so in-editor playback of an untouched MKV stream can be limited. The upload and the final render are not: the cloud render farm reads your original file with ffmpeg and outputs at full quality. That trade is standard for every browser MKV tool, and we would rather say so up front.
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Keep MKV or switch containers
Export the cut as MKV, MP4, MOV or WebM, with H.264 everywhere and H.265 (HEVC), AV1, ProRes and DNxHR available where the container supports them. In the full editor, free accounts export 720p MP4 with a small removable watermark badge and a short end card. Only need the format changed? The MP4 converter does that in one step.
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Trim, split and merge in one pass
Pull three highlights out of one recording, or stitch several MKV files into a single cut. The split video and video joiner tools run on this same timeline, so you never round-trip files between apps.
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Captions before you export
Auto captions transcribe the audio with word-level timestamps and detect the spoken language on their own, no dropdown to guess at. Style them with 176 presets, translate the subtitle text into any of 86 languages with Pro, then burn them into the video. SRT and VTT files download on paid plans.
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Shrink the file while you cut
MKV recordings from capture software run huge, and a two hour session can pass 40 GB. Set the bitrate and resolution on export, or use the video compressor flow to hit a target size for an upload limit.
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Crop, reframe and retime
Fix a capture that grabbed the wrong screen region, or crop the video to 9:16 for a vertical clip. Speed changes from 0.25x to 4x, color adjustments and 56 transitions sit on the same toolbar as the scissors.
How it works
How to cut an MKV file
Four steps from a bloated recording to a clean clip, all in one tab.
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Upload your MKV
Drop the file onto the cutter or click to browse. MKV is accepted along with 19 other formats, including the M2TS, MTS and TS files that capture cards produce. No sign-up needed.
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Set your cut points
Set the start and end of the part you want. Choose to keep that range or cut it out of the middle. The smallest selection is 0.05 s.
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Add a fade if you want
Switch on a fade to black or an audio fade for a cleaner start or finish. Skip this step entirely if you only came here to cut.
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Render in the cloud and download
Export the cut and let the servers do the encoding. The quick tool adds no watermark, badge or end card. Container, resolution and frame rate are full editor settings: free there is 720p MP4 with a small badge, 1080p needs Creator, 4K Pro, and 8K and 120 fps Ultra.
Who cuts MKV
What people actually cut MKV files for
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OBS and stream recordings
OBS can record straight to MKV so a crash does not corrupt the file, which is exactly why editors then refuse to open it. Upload the recording as it is and cut the dead air without a remux step.
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Gameplay highlights
Pull the three best fights out of a long session and export each as its own clip. Add a zoom pop or a caption on the winning moment before you post it.
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Lectures and webinars
Cut the waiting-room minutes and the setup fumbling from a class recording. Auto captions make the finished clip easier to follow and easier to search.
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Capture card footage
M2TS, MTS, TS and MKV files from capture hardware all land on one timeline. Cut them together and export a single clean MP4.
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Clips for YouTube and Discord
YouTube accepts MKV uploads but MP4 processes more predictably, and Discord enforces hard size limits. Cut the moment, compress it to fit, and export in one pass.
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Archives you need a piece of
Do not re-render a 40 GB recording to share 30 seconds of it. Cut the section you need and leave the original untouched on your drive.
Compare
How EchoWave compares
| Feature | EchoWave | VEED | Clideo | HandBrake |
|---|---|---|---|---|
| Works in the browser, no install | Yes | Yes | Yes | No |
| Accepts MKV input | Yes | Yes | Yes | Yes |
| Exports the MKV container | yes (full editor, paid plans) | No | Yes | Yes |
| Lossless stream copy, no re-encode | No | No | No | No |
| Multi-track timeline editing | yes (full editor) | Yes | No | No |
| Auto captions | yes (full editor) | yes (paid) | yes (separate tool) | No |
| Subtitle translation | yes (full editor, 86 languages) | yes (paid) | No | No |
| Free exports | yes (no watermark) | yes (watermark) | yes (watermark) | yes (no watermark) |
| Works offline | No | No | No | Yes |
| Batch queue for many files | No | No | No | Yes |
| Cloud rendering, old hardware fine | Yes | Yes | Yes | No |
| Custom frame rate on export | yes (full editor, up to 120 fps on Ultra) | No | No | Yes |
Based on each tool's public pages as of July 2026. HandBrake is a free desktop transcoder rather than an editor, so some rows apply to it differently.
Cut your MKV on the machine in front of you
No install, no codec packs, no copying files to the one computer with the right software on it. Upload, cut, and let the servers handle the encode. The cut tool has no sign-up and no watermark.
What creators say after trying EchoWave
About the EchoWave team
EchoWave is a browser-based video and audio editor built by Lemon Vault LLC since 2018. The people who build the editor write these guides and test every step in the production app before publishing.
Cut MKV Files Online, Free FAQ
How do I cut MKV files without installing software?
Open echowave.io in any modern browser, upload the MKV, and set the start and end of the part to keep or cut out. Then export. The encoding happens on EchoWave's servers, so your own machine never touches a codec, and Chromebooks handle it as well as workstations.
Can I cut an MKV file without re-encoding it?
Not here, and it is worth knowing the trade. EchoWave always re-encodes on its cloud render, which is what allows cuts at the exact times you set. For a bit-exact stream copy, use a desktop tool like MKVToolNix, LosslessCut or ffmpeg with the copy flag, and accept that those can only cut cleanly at keyframes, often several seconds apart.
Why does my MKV preview poorly in the browser?
Browsers ship narrow decoder support and MKV is usually outside it, so in-editor playback of the raw stream can be limited or unavailable. This does not affect the result. The cloud render reads your original upload with ffmpeg and encodes the export at full quality.
Will I lose the subtitle or extra audio tracks inside my MKV?
The export contains one video stream and one audio mix, so extra embedded tracks are not carried across. If your MKV holds soft subtitles you want to keep, extract them to SRT first with a tool like MKVToolNix, import the SRT into the full editor, and either burn the captions in, or download SRT and VTT files next to the video on a paid plan.
Can I convert MKV to MP4 while I cut it?
Yes, in the full editor: pick MP4 in the export dialog and the cut and the conversion happen in one render. The free plan does this at 720p with a small badge and a short end card; higher resolutions and other containers come with paid plans.
Is cutting MKV files free on EchoWave?
Yes. The MKV cut tool is free with no sign-up, and its exports have no watermark, badge or end card. In the full editor, the free plan exports 720p MP4 with a small removable badge and a short end card. Paid plans there remove both and add 1080p (Creator), 4K on Pro, 8K on Ultra, and extra containers including MKV, MOV and WebM.
Can VLC or the Windows Photos app cut an MKV?
VLC can record a section while the file plays, but it is imprecise and easy to fumble, and it was never meant as an editor. Windows' built-in trimming is inconsistent with MKV because it depends on which codecs are inside the container. That gap is why most people searching this end up on a browser tool or a dedicated desktop cutter.
What quality can I export after cutting an MKV?
That is set in the full editor, not the quick cut tool. There, export resolutions run from 480p up to 8K on the Ultra plan (4K on Pro, 1080p on Creator, 720p free), with custom frame rates from 1 to 120 fps at decimal precision (120 fps needs Ultra). Codec choices include H.264 everywhere, plus H.265 (HEVC), AV1, ProRes and DNxHR where the container allows. Bitrate is adjustable, so you control the size against the quality.
Can I split one MKV into several separate files?
Yes. The split video tool cuts one file into equal parts, parts of a set length, or parts at your own cut points, and you export the pieces you choose. The split video tool page walks through the workflow in detail.
Ready to cut that MKV recording?
Free MKV cut tool, no sign-up, no watermark. Timeline, captions and container choice are in the full editor.
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