FLV to MKV Converter
Free online tool to convert FLV to MKV files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 1GB
How It Works
How to Convert FLV to MKV
Click inside the file drop area to upload your FLV file or drag & drop it.
Locate your FLV file on your device—typically used for various purposes. Ensure the file is under 50MB to avoid upload issues. If the upload fails, check your internet connection or try compressing the file first.
Select MKV as the output format and click the 'Convert' button.
Choose MKV based on your needs—different formats suit different purposes, like JPEG for smaller file sizes. The conversion process typically takes a few seconds, depending on file size and server load.
Download the converted MKV file instantly after conversion.
Once the conversion is complete, click the download link to save your MKV file. You can then open it in software like a compatible viewer. If the file doesn’t download, ensure your browser allows pop-ups from RunConvert.
You can also send a link to the converted file via email. (Optional)
Enter an email address to receive a secure link to your converted file, which is useful for sharing with clients or accessing later. Links expire after 24 hours for security, and RunConvert ensures your data is protected during transmission.
Convert Your FLV files to other formats
RunConvert.com can convert your FLV files to these other formats:
Convert Your FLV files to other formats
Convert Files to FLV Format
RunConvert.com supports these converters to FLV format:
Convert Files to FLV Format
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Frequently Asked Questions
Here are some common questions and answers about flv and mkv file conversions asked by our users on RunConvert.com.
Frequently Asked Questions
Q: Can RunConvert handle batch FLV conversions?
A: You know it! Got a bunch of FLV files from the early 2000s? RunConvert can convert them all at once. Upload, pick your format, and relax. It’s like updating a whole archive in one go. Who’s got time for single-file conversions?
Q: Why convert FLV to AVI on RunConvert?
A: AVI is great for editing, unlike FLV’s web focus. RunConvert makes it easy—just pick AVI. It’s like turning a Flash clip into a raw cut for your editing suite. Why stick to outdated formats when you can polish your video?
Q: What’s an MKV file, and why convert it on RunConvert?
A: MKV is like a digital backpack—it holds video, audio, and subtitles in one neat package, perfect for movies. You might convert it to MP4 for wider compatibility or MP3 for audio. RunConvert makes it easy. It’s like unpacking a film reel for any device. From Berlin to Buenos Aires, RunConvert’s got you sorted.
Q: Can I use RunConvert on my phone for MKV files?
A: You sure can! RunConvert works on any browser, so your phone’s perfect for converting MKV files on the go. No apps, just hit runconvert.com. It’s like carrying a cinema in your pocket, whether you’re in Nairobi or New York.
Q: Can I convert videos from my phone?
A: Totally. Our platform works great on mobile, so whether you’re on iPhone or Android, you’re good to go.
Q: Can I compress GoPro footage?
A: You bet. GoPro files can be huge, so converting them to a smaller MP4 is a smart move.
Q: Can I use RunConvert to prepare videos for email?
A: Yes—convert to MP4 and compress it under 25MB, and you’re good to attach it to most emails.
Q: Will RunConvert mess up my video’s aspect ratio?
A: Nope, we keep it just as it is—unless you decide to change it yourself during conversion.
Q: What format should I use for gaming clips?
A: MP4 or WebM works great. If you're posting to YouTube or Twitch, MP4 with H.264 is the safe zone.
Q: Does RunConvert work in all browsers?
A: Yep! Chrome, Firefox, Safari, Edge—we play nice with all the modern ones.
What is FLV (Flash Video)?
FLV (Flash Video) is a multimedia file format used to deliver video over the internet. It is widely associated with Adobe Flash Player and is commonly used for streaming video on websites. The .flv extension is typically found in online video platforms like YouTube (before they switched to HTML5 video).
FLV files are designed for efficient streaming over the web, maintaining relatively small file sizes while offering decent video quality.
How to open FLV?
FLV files can be opened using a variety of media players, including VLC Media Player, Windows Media Player (with the proper codec), and PotPlayer.
For macOS users, VLC and Elmedia Player are reliable options for opening FLV files. Web browsers with Flash support can also display FLV videos, though Flash is no longer widely supported.
FLV is Developed by: Adobe Systems
FLV was Released on: 2005
Useful Links for FLV:
How to convert FLV?
Converting FLV files is easy with our online video converter. Upload your FLV file, choose the desired output format such as MP4, AVI, or MKV, and start the conversion.
Our converter provides fast and high-quality results, ensuring your FLV files are compatible with various devices and platforms.
What is MKV (Matroska Video)?
MKV (Matroska Video) is an open-source container format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is designed to be flexible and is often used for high-definition video content.
MKV is a popular choice for storing HD movies, TV shows, and videos due to its ability to support almost any type of video and audio codec, as well as multiple audio tracks and subtitles within one file.
How to open MKV?
MKV files can be opened with several media players, including VLC Media Player, PotPlayer, and Media Player Classic (MPC-HC).
For macOS users, VLC and IINA are great options to play MKV files. You can also use the official Elmedia Player for MKV playback.
MKV is Developed by: Matroska Association
MKV was Released on: 2003
Useful Links for MKV:
How to convert MKV?
You can easily convert MKV files to other formats like MP4, AVI, or MOV using our online video converter. Simply upload the MKV file, select your desired output format, and start the conversion process.
Our tool ensures quick and high-quality conversion, making MKV files compatible with a variety of devices and platforms.
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