MKV Converter, MKV to MP4 vs Video Converter, Compressor Usage & Stats
Need to convert MKV to MP4, GIF or AVI? With MKV Converter you get unlimited, lightning fast conversions on your iPhone or iPad with no fees, no sign-ups, just perfect video every time.
Stop wrestling with files your device won’t open. MKV Converter lets you flip any MKV or turn dozens of formats back into MKV while preserving every pixel’s quality.
• Wide format support – Convert MKV to MP4, GIF, MOV, WEBM, FLV, WMV, AVI, OGV, VOB, MPEG…and back again.
• Unlimited & free – No file-size caps, quotas, paywalls or subscriptions.
• Fast & precise – Local engine optimizes each pixel and sample, so even large videos finish in seconds.
• Custom output – Choose video size, bit rate, frame rate and aspect ratio before exporting.
• Private by design – Files stay on your device; no email or registration required.
• Easy file access – Converted items land in the “MKV Converter” folder, ready to share.
• Multilingual UI – English, Spanish, French, German, Italian, Portuguese, Russian, Japanese and Chinese.
Download MKV Converter today and unlock every MKV file you own, convert, share and enjoy it anywhere!
- Apple App Store
- Free
- Utilities
Store Rank
- -
You can convert video to mp3, mp4, mov, webm, mkv, hevc, WMV, avi, flv, mpg, 3gp, m4v, flash, f4v, ts, mts, ogv, gif
Alternatively, you can use it as an audio extractor from video to mp3, m4a, wav, aif, flac.
This app supports a wide range of video and audio codecs, including Flash, HEVC, VP9, AV1, MPEG2, MPEG4, H.264, H.265, AAC, and FLAC.
This app also includes a powerful video compressor that can compress your videos to reduce file size without any loss in quality.
You can import batch videos to convert and compress at the same time.
Common Use cases:
- Convert Video to MP4, MOV, Flash, WebM, and more
- Mp3 converter ( Extract audio from video, video to mp3 converter )
- Video compress (Shrink video size)
- Convert Video to Gif
- Change Video Resolution or Video frames per second
We have also included over 25+ presets (Pre defined settings) so that you don't have to go through complicated export settings.
For example:
- Preset that prioritize video quality
- Optimized for speed and reasonable quality
- For video editing purpose that preserve the alpha channel of the video with higher bitrate
- Preset that support for older devices
This app allows you to tweak all the settings like bitrate, video codec, audio codec, resolution, FPS, pixel format, audio track, Crop, Rotate, Trim, Flip and so much more.
How to use:
1. Import video by tapping the Gallery or File button or drag and drop.
2. Select the output format by tapping the "Format" button, After selecting the format app will choose the best quality settings for the selected format.
3. Tap the "Convert" button to start conversion.
We are actively working hard on this project and we try to include more and more feature as fast as possible we how you like our app.
So what are you waiting for? Give it a try, It's free!
This project uses the code of ffmpeg.org and you can download the source code from https://remux.app/source and review the build steps from readme.md.
Privacy Policy: https://remux.app/privacy_policy
Terms and Conditions: https://remux.app/terms_and_conditions
- Apple App Store
- Free
- Utilities
Store Rank
- -
MKV Converter, MKV to MP4 VS. 
Video Converter, CompressorJanuary 15, 2026