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Convert FLV to WAV - Extract Lossless Audio from Flash Video

Extract pristine audio from Flash videos. Get uncompressed WAV for editing or archiving.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

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Flash Videos Still Have Valuable Audio

You have FLV files from the Flash era - maybe old tutorials, downloaded videos, or archived content. Flash Player is gone, but the audio inside those files still has value. Converting to WAV extracts that audio in uncompressed, lossless quality.

WAV gives you the cleanest possible audio extraction. Unlike MP3 or AAC, WAV preserves every detail without compression artifacts. If you plan to edit the audio or archive it for the long term, WAV is the right choice.

How to Convert FLV to WAV

  1. Upload your FLV file - Drag and drop or click to select your Flash video
  2. Choose WAV as output - WAV gives you uncompressed, full-quality audio
  3. Download your audio - Get your extracted WAV file instantly

No software installation required. The conversion happens right in your browser.

Why WAV for Audio Extraction?

When you extract audio from video, you have format choices. Here's why WAV makes sense for FLV files:

  • Lossless quality - No compression means no quality loss during extraction
  • Editing-ready - Audio editors like Audacity, Adobe Audition, and Logic Pro work perfectly with WAV
  • Universal compatibility - Every audio application and operating system supports WAV
  • Archival standard - Libraries and archives use WAV for long-term audio preservation

In our testing, WAV extraction from FLV preserves the original audio stream without any re-encoding artifacts that compressed formats would introduce.

When to Use This Conversion

Audio Editing Projects

If you're bringing FLV audio into a DAW (Digital Audio Workstation) or audio editor, WAV is the preferred import format. You can edit without worrying about compression artifacts compounding when you export.

Archiving Old Flash Content

Flash is deprecated and FLV support is disappearing. Extract the audio now while you still can. WAV ensures you're preserving the best possible quality for the future.

Podcast or Video Production

Need audio from an old tutorial or interview that was saved as FLV? WAV gives you a clean source file to work with in your production workflow.

FLV vs WAV: What Changes

FLV is a video container that holds both video and audio streams. WAV is audio-only. Here's what happens during conversion:

  • Video stream - Discarded (not included in WAV)
  • Audio stream - Extracted and converted to uncompressed PCM audio
  • File size - WAV files are larger because audio is uncompressed
  • Quality - Equal or better than the original FLV audio track

If you need smaller files, consider FLV to MP3 instead. MP3 compresses the audio, trading some quality for much smaller file sizes.

File Size Expectations

WAV files are uncompressed, so they're larger than the original FLV's audio track. A rough guide:

  • 1 minute of stereo audio at 44.1kHz = approximately 10 MB
  • 5 minute FLV video = approximately 50 MB WAV file
  • 1 hour of audio = approximately 600 MB

The trade-off is worth it for editing and archival. If storage is a concern, you can always convert the WAV to a compressed format later.

Works on Any Device

Convert FLV to WAV directly in your browser:

  • Windows, Mac, Linux, Chromebook
  • Chrome, Firefox, Safari, Edge
  • Tablets and mobile devices

No downloads, no plugins (Flash is not required), no account needed.

Pro Tip

If your FLV audio sounds slightly different after conversion, it's because you're hearing the uncompressed version without additional codec artifacts. WAV reveals exactly what was encoded in the original file.

Common Mistake

Converting to WAV when you actually need compressed audio. If you're just playing the audio or sharing online, MP3 is more practical. WAV is specifically for editing and archival where quality preservation matters.

Best For

Audio editors working on projects that include footage or audio from the Flash era. DAWs like Pro Tools, Logic, and Audacity all prefer WAV as an import format for maximum editing flexibility.

Not Recommended

If you just want to listen to the audio or share it online, WAV files are unnecessarily large. Convert to MP3 instead for casual listening or sharing on platforms that will re-encode anyway.

Frequently Asked Questions

FLV (Flash Video) is a video container format developed by Adobe for streaming video via Flash Player. It was widely used for web videos from 2005-2015 but is now deprecated since Adobe discontinued Flash in 2020.

WAV is uncompressed, so it preserves all audio detail without adding compression artifacts. MP3 removes audio data to reduce file size. For editing or archival, WAV maintains the highest possible quality from your source.

Yes, or better. WAV extraction captures the audio stream without re-encoding losses. The quality matches whatever audio codec was used in the original FLV file (typically MP3 or AAC).

Usually a few seconds for typical video lengths. Longer videos (over 30 minutes) may take 10-20 seconds. Processing happens in your browser, so speed also depends on your device.

Yes. Upload multiple FLV files and convert them all to WAV in a batch. Each file is processed and available for download separately.

WAV is uncompressed audio, storing every sample without compression. FLV contains compressed audio (usually MP3 or AAC). Expect WAV files to be roughly 10 MB per minute of stereo audio at CD quality.

We extract at the highest quality available in your source file. Output is standard 16-bit PCM WAV, the most compatible format for all audio software. Sample rate matches your source (typically 44.1kHz or 48kHz).

Use WAV if you plan to edit the audio or want archival quality. Use MP3 if you need smaller files for sharing or playback and don't mind some quality loss. You can always convert WAV to MP3 later.

No. Our converter processes FLV files directly without Flash Player. Flash is not required and has been discontinued by Adobe since 2020.

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