How to convert Matroska (MKV) to 3GP
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Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
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Convert Matroska (MKV) to 3GP
NexMedia converts Matroska (MKV) to 3GP on its own servers. Processing time depends on the file size and how busy the queue is.
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Download the converted file
When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.
About Matroska (MKV)
Matroska (MKV) is an open container format that can hold almost any video and audio codec, any number of audio and subtitle tracks, chapters and attachments.
It is popular for films and series with several audio languages and subtitle tracks, and for archiving video.
Many phones, browsers and TVs do not play MKV files directly, even when they support the codecs inside.
Convert MKV to 3GP online free, no account required — 3GP is an older mobile-phone video format.
Change MKV to 3GP without losing quality — convert MKV to 3GP free in your browser.
Why won't my MKV file play on my TV or phone? Most TVs and phones play MP4 or H.264 but not the Matroska container, so converting to MP4 makes the file playable on almost any device.
About 3GP
3GP is a container format defined by the 3GPP for mobile phones. It is a simplified relative of MP4 that typically holds H.263 or H.264 video with AMR or AAC audio.
Videos recorded on older mobile phones, especially before smartphones.
3GP videos are usually low resolution and heavily compressed, and converting them cannot add detail.
Why convert video to 3GP? Almost only for very old feature phones with tiny screens; any smartphone plays MP4 instead.
What changes when you convert MKV to 3GP
- The MKV is re-encoded into 3GP at the default quality settings, so the result looks close to the original but is not bit-identical.
Settings you can change
Before you convert MKV to 3GP, you can adjust: Video codec, Rate control, Quality (CRF), Video bitrate, Resolution, Width, Height, Scale fit, Frame rate, Encoder preset, Audio codec, Audio bitrate, Trim start, Trim duration, and Remove metadata.
Limits
Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.
Your converted 3GP file is kept for 2 hours, then deleted.
MKV to 3GP: questions and answers
Does converting MKV to 3GP reduce quality?
The MKV is re-encoded into 3GP at the default quality settings, so the result looks close to the original but is not bit-identical.
What is the difference between MKV and 3GP?
MKV is a flexible open container for video with any number of audio and subtitle tracks. 3GP is an older mobile-phone video format.
Can I change the settings when converting MKV to 3GP?
Before you convert MKV to 3GP, you can adjust: Video codec, Rate control, Quality (CRF), Video bitrate, Resolution, Width, Height, Scale fit, Frame rate, Encoder preset, Audio codec, Audio bitrate, Trim start, Trim duration, and Remove metadata.
Do I need an account to convert MKV to 3GP?
No. You can convert MKV to 3GP without an account; signing in raises the file-size and daily limits.
How long is my converted 3GP file kept?
The 3GP file you convert from MKV is kept for 2 hours, then deleted automatically.
When I convert MKV to 3GP, is the video re-encoded?
The MKV is re-encoded into 3GP at the default quality settings, so the result looks close to the original but is not bit-identical.
Will converting MKV to 3GP change my original file?
No. The conversion reads your MKV and writes a new 3GP file, leaving your original MKV file untouched.