Convert one or more FLV files to MP4 using an interactive, fast, and free video converter tool.
drop your FLV files here
Converted Files
Disclaimer:Please be aware that due to limited server storage, converted files will be automatically purged over time for optimal server performance.
Conversion Settings
1000k
Sets the target video bitrate. Higher bitrates improve quality but increase file size. 1000 kbps is standard for most web videos.
Sets the target video bitrate. Higher bitrates improve quality but increase file size. 1000 kbps is standard for most web videos.
30
Specifies the number of frames per second in the output video. 30 FPS is standard for web and playback compatibility.
Specifies the number of frames per second in the output video. 30 FPS is standard for web and playback compatibility.
1280x720
Sets the output video resolution in pixels (e.g., 1280x720 for HD). Use original resolution or scale down to reduce file size.
Sets the output video resolution in pixels (e.g., 1280x720 for HD). Use original resolution or scale down to reduce file size.
16:9
Sets the display aspect ratio of the video. 16:9 is commonly used for HD and widescreen formats.
Sets the display aspect ratio of the video. 16:9 is commonly used for HD and widescreen formats.
1
1-pass encoding is faster, while 2-pass improves compression quality at the same bitrate. Use 2-pass for final exports.
1-pass encoding is faster, while 2-pass improves compression quality at the same bitrate. Use 2-pass for final exports.
128k
Specifies the output audio bitrate. Higher values offer better sound quality but increase file size.
Specifies the output audio bitrate. Higher values offer better sound quality but increase file size.
How to use this FLV to MP4 Converter?
Choose Files: Click 👆 on the Choose Files button and choose input FLV files, or you may drag and drop FLV files to the drop area. You may choose one or more video files. The chosen files are displayed with size information in the same drop area.
Conversion Settings: You may change the conversion parameters like quality 🎛, background color, etc., using the sliders, or color input buttons.
Conversion: Now you can click on the Convert button. This is where the ⛄ magic happens. Your FLV files are sent to the server for conversion. This all happens in a lightening speed ⚡.
Output: Once the FLVs are converted ✅ to MP4s, they appear in the download section.
Download Files: You may click 👆 on the big Download button to download ↓ all your converted MP4s, or you may download individual MP4 by clicking on the respective download button.
Options: There is also a link 🔗 which you can Copy and share it using which you can download the converted MP4 files.
{
"convert": "flv-mp4",
"multiple": true,
"from": "flv",
"to": "mp4",
"controls": [
{
"type": "dropdown",
"name": "video_bitrate",
"label": "Video Bitrate",
"options": [
{
"label": "500 kbps (Low)",
"value": "500k"
},
{
"label": "1000 kbps (Standard)",
"value": "1000k"
},
{
"label": "2000 kbps",
"value": "2000k"
},
{
"label": "4000 kbps (High)",
"value": "4000k"
},
{
"label": "8000 kbps (Very High)",
"value": "8000k"
}
],
"defaultValue": "1000k",
"desc": "Sets the target video bitrate. Higher bitrates improve quality but increase file size. 1000 kbps is standard for most web videos."
},
{
"type": "dropdown",
"name": "frame_rate",
"label": "Frame Rate (FPS)",
"options": [
{
"label": "15 FPS (Low Motion)",
"value": 15
},
{
"label": "24 FPS (Film)",
"value": 24
},
{
"label": "30 FPS (Standard)",
"value": 30
},
{
"label": "60 FPS (High Motion)",
"value": 60
}
],
"defaultValue": 30,
"desc": "Specifies the number of frames per second in the output video. 30 FPS is standard for web and playback compatibility."
},
{
"type": "text",
"name": "resolution",
"label": "Resolution (Width x Height)",
"defaultValue": "1280x720",
"desc": "Sets the output video resolution in pixels (e.g., 1280x720 for HD). Use original resolution or scale down to reduce file size."
},
{
"type": "dropdown",
"name": "aspect_ratio",
"label": "Aspect Ratio",
"options": [
{
"label": "4:3 (Standard)",
"value": "4:3"
},
{
"label": "16:9 (Widescreen)",
"value": "16:9"
},
{
"label": "1.3333 (4:3)",
"value": "1.3333"
},
{
"label": "1.7777 (16:9)",
"value": "1.7777"
}
],
"defaultValue": "16:9",
"desc": "Sets the display aspect ratio of the video. 16:9 is commonly used for HD and widescreen formats."
},
{
"type": "dropdown",
"name": "pass",
"label": "Encoding Pass",
"options": [
{
"label": "1-pass (Faster)",
"value": 1
},
{
"label": "2-pass (Better Quality)",
"value": 2
}
],
"defaultValue": 1,
"desc": "1-pass encoding is faster, while 2-pass improves compression quality at the same bitrate. Use 2-pass for final exports."
},
{
"type": "dropdown",
"name": "audio_bitrate",
"label": "Audio Bitrate",
"options": [
{
"label": "64 kbps",
"value": "64k"
},
{
"label": "96 kbps",
"value": "96k"
},
{
"label": "128 kbps (Standard)",
"value": "128k"
},
{
"label": "192 kbps",
"value": "192k"
},
{
"label": "256 kbps",
"value": "256k"
}
],
"defaultValue": "128k",
"desc": "Specifies the output audio bitrate. Higher values offer better sound quality but increase file size."
}
],
"note": "This conversion upgrades FLV (typically using older codecs like Sorenson or VP6) to MP4 using modern H.264 and AAC codecs. Make sure to set a reasonable bitrate and resolution for best playback compatibility across devices. If the original FLV uses a non-standard frame rate or resolution, you can adjust it here to fit your needs.",
"type": "video"
}
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