Step 1: Upload your M4R files using the button above or by drag and drop.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Download your converted FLV files.
M4R to FLV Conversion FAQ
Why would I convert M4R audio to a FLV video?
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A FLV video plays everywhere a raw M4R sometimes will not — most notably on video-only platforms and social feeds that require a video container. It is the standard way to publish a podcast, song, or mix as a shareable FLV.
Can I batch-convert many M4R files to FLV?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
Is the M4R to FLV conversion free?
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Yes, within the free size limit. PRO unlocks much larger M4R uploads, longer durations, and parallel jobs.
How long can the M4R be?
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Full-length albums and multi-hour M4R recordings convert fine. Because the picture is static, even a long FLV stays modest in size relative to a filmed video of the same length.
Will the FLV play on YouTube, Instagram, and TikTok?
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Yes. PDF.to encodes the FLV with a widely supported codec and pixel format, so the resulting video uploads cleanly to the major platforms that reject bare M4R audio.
Are my M4R files private during conversion?
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Yes. Uploads travel over HTTPS, nobody reads the contents, and nothing is shared. Your uploaded M4R and the resulting FLV are deleted from our servers automatically about 24 hours after the conversion, which leaves time to download the result.
