QuickTime video
A media container developed for high-quality video and editing workflows.
Best for Apple devices and video production.
Converts MOV video to MKV. MKV can hold several audio and subtitle tracks. Add your files, convert them in one batch, and download each MKV directly.
The converter runs in your browser and an isolated processing queue. Nothing to install, and every upload is scanned for malware before it is processed.
A media container developed for high-quality video and editing workflows.
Best for Apple devices and video production.
A flexible open container that can hold video, audio, and subtitles.
Best for high-quality media libraries and multi-track video.
MOV to MKV
What changes in the file, and what to check before you share the result.
MKV can hold several audio and subtitle tracks. Some phones and browsers do not play it without extra software.
Guest video conversions are limited to 15 MB per file. Sign in to a free account for larger videos.
MOV files often come from iPhones, cameras, and Apple editing apps, and can be large.
Short answers about limits, privacy, and keeping the converted file.
Yes. Without an account you can convert up to 10 files a day, 2 at a time, up to 15 MB each. A free account adds monthly conversion credits and larger files.
Guest uploads and results are deleted automatically after 1 hour. Conversions stay temporary when you are signed in too, unless you save a result to your workspace.
Yes. Save the result to a SteadyLink workspace and it gets a stable link. If you make a new version later, replace the file and the link stays the same.
Each category has its own converter, format list, and common routes.
JPG, PNG, WebP, AVIF, GIF, TIFF, BMP, HEIC, ICO, SVG
DOC, DOCX, ODT, RTF, TXT, HTML, PDF
XLS, XLSX, ODS, CSV, PDF
PPT, PPTX, ODP, PDF
PDF, DOCX, JPG, PNG, TXT
MP3, WAV, AAC, FLAC, OGG, M4A, Opus
MP4, WebM, MOV, AVI, MKV, GIF, MP3
ZIP, TAR, TAR.GZ, 7Z
EPUB, MOBI, AZW3, PDF, TXT
Conversions remain temporary even when you are signed in, so save a result to your workspace when you want a stable URL and revision history.
Open a workspace