Convert one or more M4V files to FLV using an interactive, fast, and free video converter tool.
drop your M4V 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
Sets the exact number of video frames to output. Leave blank to convert the full video.
Sets the exact number of video frames to output. Leave blank to convert the full video.
30
Sets the output video frame rate. Lower rates reduce file size; higher rates improve motion smoothness.
Sets the output video frame rate. Lower rates reduce file size; higher rates improve motion smoothness.
Sets the output resolution. You can use WxH format (e.g., 1920x1080) or common abbreviations like 720p, 1080p.
Sets the output resolution. You can use WxH format (e.g., 1920x1080) or common abbreviations like 720p, 1080p.
16:9
Sets the display aspect ratio of the output video.
Sets the display aspect ratio of the output video.
Sets the number of bits per raw sample (e.g., 8 for standard, 10 or higher for high bit-depth videos).
Sets the number of bits per raw sample (e.g., 8 for standard, 10 or higher for high bit-depth videos).
flv1
Selects the video codec to use. Use 'copy' to keep the original video stream without re-encoding.
Selects the video codec to use. Use 'copy' to keep the original video stream without re-encoding.
1
Two-pass encoding provides better quality and bitrate control at the cost of longer processing time.
Two-pass encoding provides better quality and bitrate control at the cost of longer processing time.
Sets the target video bitrate in kbps. Higher bitrates improve quality but increase file size.
Sets the target video bitrate in kbps. Higher bitrates improve quality but increase file size.
Sets the target audio bitrate in kbps. 128 kbps is standard for most videos.
Sets the target audio bitrate in kbps. 128 kbps is standard for most videos.
Sets the initial timecode value for the output video.
Sets the initial timecode value for the output video.
How to use this M4V to FLV Converter?
Choose Files: Click 👆 on the Choose Files button and choose input M4V files, or you may drag and drop M4V 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 M4V files are sent to the server for conversion. This all happens in a lightening speed ⚡.
Output: Once the M4Vs are converted ✅ to FLVs, they appear in the download section.
Download Files: You may click 👆 on the big Download button to download ↓ all your converted FLVs, or you may download individual FLV 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 FLV files.
{
"convert": "m4v-flv",
"multiple": true,
"from": "m4v",
"to": "flv",
"controls": [
{
"type": "number",
"optional": true,
"name": "vframes",
"label": "Number of Video Frames",
"range": {
"min": 1,
"max": 100000
},
"desc": "Sets the exact number of video frames to output. Leave blank to convert the full video."
},
{
"type": "dropdown",
"name": "frame_rate",
"label": "Frame Rate (FPS)",
"options": [
{
"label": "15 fps",
"value": 15
},
{
"label": "24 fps (Film)",
"value": 24
},
{
"label": "25 fps (PAL)",
"value": 25
},
{
"label": "30 fps (NTSC)",
"value": 30
},
{
"label": "60 fps (High)",
"value": 60
}
],
"defaultValue": 30,
"desc": "Sets the output video frame rate. Lower rates reduce file size; higher rates improve motion smoothness."
},
{
"type": "text",
"optional": true,
"name": "size",
"label": "Frame Size",
"placeholder": "e.g., 1280x720",
"desc": "Sets the output resolution. You can use WxH format (e.g., 1920x1080) or common abbreviations like 720p, 1080p."
},
{
"type": "dropdown",
"name": "aspect",
"label": "Aspect Ratio",
"options": [
{
"label": "4:3",
"value": "4:3"
},
{
"label": "16:9",
"value": "16:9"
},
{
"label": "1.3333",
"value": "1.3333"
},
{
"label": "1.7777",
"value": "1.7777"
}
],
"defaultValue": "16:9",
"desc": "Sets the display aspect ratio of the output video."
},
{
"type": "number",
"optional": true,
"name": "bits_per_raw_sample",
"label": "Bits Per Raw Sample",
"range": {
"min": 8,
"max": 16
},
"desc": "Sets the number of bits per raw sample (e.g., 8 for standard, 10 or higher for high bit-depth videos)."
},
{
"type": "dropdown",
"name": "vcodec",
"label": "Video Codec",
"options": [
{
"label": "FLV1 (Default for FLV)",
"value": "flv1"
},
{
"label": "H.264",
"value": "libx264"
},
{
"label": "Copy (No Re-encode)",
"value": "copy"
}
],
"defaultValue": "flv1",
"desc": "Selects the video codec to use. Use 'copy' to keep the original video stream without re-encoding."
},
{
"type": "dropdown",
"name": "pass",
"label": "Encoding Pass",
"options": [
{
"label": "1 Pass (Fast)",
"value": 1
},
{
"label": "2 Pass (Better Quality)",
"value": 2
}
],
"defaultValue": 1,
"desc": "Two-pass encoding provides better quality and bitrate control at the cost of longer processing time."
},
{
"type": "number",
"optional": true,
"name": "video_bitrate",
"label": "Video Bitrate (kbps)",
"range": {
"min": 100,
"max": 50000
},
"desc": "Sets the target video bitrate in kbps. Higher bitrates improve quality but increase file size."
},
{
"type": "number",
"optional": true,
"name": "audio_bitrate",
"label": "Audio Bitrate (kbps)",
"range": {
"min": 32,
"max": 320
},
"desc": "Sets the target audio bitrate in kbps. 128 kbps is standard for most videos."
},
{
"type": "text",
"optional": true,
"name": "timecode",
"label": "Initial Timecode",
"placeholder": "00:00:00:00",
"desc": "Sets the initial timecode value for the output video."
}
],
"note": "FLV is an older Flash-based video format commonly used for streaming. H.264 in FLV is widely supported, but FLV1 codec ensures maximum compatibility. Be mindful of bitrate and resolution if targeting older players.",
"type": "video"
}
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