MKV to 3GP Converter
Convert MKV video to compact 3GP for mobile-oriented workflows, messaging, feature phones, and compatible applications.
Drop your MKV files here
Up to 250MB per file.
Conversion Settings
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your MKV files
Drag and drop or select MKV files from your device. You can upload multiple files at once.
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Configure Output
Choose the video quality and keep the source dimensions or reduce the output size proportionally.
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Download 3GP files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert MKV to 3GP?
MKV is a flexible Matroska video container used for media libraries, desktop playback, and home entertainment. Converting it to 3GP creates a compact mobile video format used by phones, messaging systems, and lightweight playback applications, ready for workflows that use the destination format.
3GP plays in compatible phones, VLC, messaging applications, and mobile-focused media software.
Frequently Asked Questions
Why convert MKV to 3GP?
MKV is a flexible container popular with desktop players, media centres, and organised video libraries. 3GP creates a compact video for mobile-oriented workflows, feature phones, messaging, and compatible apps.
What does Crest Convert create from my MKV file?
Crest Convert creates a standard 3GP video with a widely compatible video stream and includes the first audio track when one is present.
Can I adjust the 3GP quality?
Yes. Choose the visual quality before converting your MKV file to balance detail and output size for your intended use.
Can I resize the converted 3GP video?
Yes. Use the output size slider to retain the source dimensions or reduce the width and height proportionally while keeping the original shape.
Can I batch convert MKV to 3GP?
Yes. Add several MKV videos, convert them together, and download each completed 3GP file when it is ready.
How is my MKV video processed?
Your MKV file is transferred over an encrypted connection, converted securely to 3GP, and automatically deleted shortly after processing. No account is required.