FLASH Video to W64 conversion is the process of transforming video content stored in the FLV (Flash Video) container into the W64 (Sony Wave64) format, which stores audio in a high-capacity, uncompressed or lossless waveform container. This conversion extracts and re-encodes or remultiplexes the audio and video streams as needed to produce a .w64 file (commonly used for high-resolution audio workflows) while preserving as much original quality and timing as possible.
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Read guide →Drag your .FLV file from your computer or use the browse function.
Confirm .w64 as the selected destination format.
Click "Convert" and download your converted .W64 file once ready.
FLV files typically use the MIME type video/x-flv and are encoded with codecs like Sorenson Spark or H.264. W64 files use audio/w64 as their MIME type and store uncompressed 64-bit audio samples, commonly employed in professional audio recording and editing environments.
The W64 (.W64) format is commonly used for video. Understanding its characteristics can be helpful when converting to or from other formats like FLASH Video.
While specific technical details aren't available here, W64 files generally serve the purpose of storing video effectively within their domain.
Easily convert your FLASH Video (FLV) files to the W64 format using our reliable online converter. Designed for speed and simplicity, our tool supports seamless transformation without the need for complex software downloads or installations.
FLASH Video (FLV) is primarily used for online video streaming with compressed audio and video, while W64 is a high-fidelity audio format supporting 64-bit samples for professional use. Unlike FLASH Video, W64 focuses solely on audio quality without video content, making it preferable for detailed audio work.
Keep individual FLV source files under 250 MB for faster uploads; large files (>1 GB) are best handled with desktop tools or a premium service tier.
To preserve audio fidelity, export W64 using at least the original sample rate and a minimum of 24-bit depth when converting audio from FLV.
If the FLV contains compressed video only and you only need audio in W64, extract the audio stream to avoid unnecessary video transcoding.
For bulk workflows, batch conversion tools or command-line utilities reduce manual steps and preserve consistent settings across files.
This converter made it so easy to switch from FLV to W64 without losing quality.
James L.
Audio Engineer
Fast and reliable tool for converting FLASH Video files to professional audio formats.
Anna M.
Video Producer
Great for improving my audio files by converting to W64, highly recommend it.
Mark S.
Podcaster
Start your free FLV to W64 conversion now.
Drag your file here to to upload.
Up to 250MB
Limitation: FLV is primarily a streaming/container format for Flash-era codecs—some exotic or corrupted FLV files (unsupported codecs or metadata) may not convert cleanly to W64 without repair or re-encoding.