UniConverter
UniConverter Online Free
Converter video, audio & image free
Free Try

Convert WAV to FLAC Without Losing Quality

Turn bulky WAV tracks into compact, lossless FLAC in your browser. Upload a WAV file, choose FLAC, and start conversion in seconds. No signup, no ads, and no hidden limits for everyday use.

For more powerful WAV to FLAC conversion needs, UniConverter Desktop gives you much more:

  • Convert WAV to FLAC in batch and save time on large files
  • Enjoy up to 130× faster conversion speed
  • Support for 1,000+ audio/video/image formats
  • An all-in-one toolkit including editing, enhancement, and more

How to Convert WAV to FLAC Online in a Few Clicks

upload mkv format file
Step 1

Upload your WAV audio file

Drag and drop your WAV file into the upload area or click to browse from your computer or cloud storage. The tool quickly checks your audio so you can convert anything from short clips to full-length songs without setup.

choose mp4 as output format
Step 2

Choose FLAC as the output format

Open the format list and select FLAC as your target format. The converter applies safe default settings to keep the original sample rate and bit depth, ensuring your new FLAC file stays lossless without extra configuration.

download converted mp4 video
Step 3

Convert and download your FLAC file

Click Convert to start processing your WAV to FLAC. When it finishes, download the FLAC file directly to your device. For large libraries or batch conversion with adjustable parameters, switch to the desktop app instead.

WAV vs FLAC: What Changes When You Convert?

WAV
FLAC
File Extension .wav .flac
Full Name Waveform Audio File Format Free Lossless Audio Codec
Description WAV is an uncompressed audio container that stores raw PCM data with very large file sizes but simple structure and maximum quality, widely used in recording, editing, and professional production workflows. FLAC is a compressed but lossless audio format that reduces file size while perfectly preserving the original waveform, ideal for music libraries, archiving, and hi-res listening without audible degradation.
Associated Programs Windows Media Player, VLC media player, Audacity, Adobe Audition, Logic Pro, Pro Tools VLC media player, foobar2000, MusicBee, JRiver Media Center, AIMP, many hardware players
Initial Release 1991 2001
Developer Microsoft & IBM Xiph.Org Foundation
Common Use Cases Studio recording, audio editing, stem exchange, DJ promos, mastering exports, and situations where disk space is less important than simplicity and maximum fidelity. Lossless music collections, hi-fi listening, backup and archiving of masters, distributing albums, and sharing high quality audio with smaller file sizes.
MIME Type audio/wav audio/flac

Key Features of This WAV to FLAC Converter

Lossless WAV to FLAC compression with smaller file sizes

Convert WAV to FLAC while keeping every audio sample intact. The encoder uses lossless compression, so your FLAC files sound identical to the original WAV but take up far less storage, ideal for long-term archiving and music libraries.

Simple online converter, no software installation required

Use the WAV to FLAC converter directly in your browser on any modern device. Just upload, choose FLAC, and download the result. There is no need to install extra software or learn complex audio tools for quick one-off conversions.

Secure online processing with temporary file storage

Audio files are processed on secure servers and kept only for the time needed to complete your conversion, helping protect private recordings and licensed music. Use the online WAV to FLAC tool without creating an account or sharing more data.

Desktop batch WAV to FLAC conversion for large libraries

Install the desktop app to convert folders of WAV files into FLAC in one go. Add hundreds of tracks, organize them by album or playlist, and process them together, saving hours when preparing DJ libraries or archiving studio projects.

Desktop control over FLAC output parameters

Switch to the desktop version when you need to fine-tune your FLAC exports. Adjust sample rate, channel layout, and other technical details to match your playback chain or project specs. The online converter keeps safe automatic defaults instead.

Cross-platform WAV to FLAC support for Mac and Windows

Access the online converter on any operating system with a browser or install the desktop app on Windows and Mac. The FLAC files you create are compatible with popular players, DJ software, and many mobile devices and hi-fi streamers.

WAV to FLAC Conversion FAQs

No, converting WAV to FLAC is lossless when done correctly. FLAC compresses the original PCM data without discarding information, so playback matches the WAV sample for sample. Avoid transcoding from already lossy formats and always keep your original masters for safety.
Yes, many users convert finished WAV tracks to FLAC to save space while keeping lossless quality. This is especially useful for music libraries, backups, and DJ collections. Keep project files and critical production stems in their original formats so you can still edit easily later.
Use the online WAV to FLAC converter for quick single files, which keeps sample rate and bit depth intact by default. For large batches, install the desktop app on Mac or Windows, choose FLAC as output, and keep settings aligned with your source to maintain fully lossless results.
Batch conversion and detailed output settings are available in the desktop app, not the online tool. On desktop you can add many WAV files, choose FLAC, then tweak parameters such as sample rate or channels before processing, giving you tight control over your entire library conversion.
Yes, FLAC typically shrinks uncompressed WAV files by around thirty to sixty percent, depending on the audio content. You keep identical sound quality but free a lot of storage, which is helpful for large collections, backups on external drives, and syncing music across multiple devices.

“Wondershare Video Converter is hands down one of the best tools I’ve added to my creative toolkit. It’s fast, easy to use, and incredibly powerful. Whether I need to convert large video files into different formats, compress them without losing quality, or even edit and trim clips, this software handles it all with ease.”

— TG

“I have been using Wondershare UniConverter for many years. It has been one of the best ways to download, screen capture and convert videos. It has been my go to for video download and conversion.”

— Alan Horner

“Wondershare has so many assets, not just for downloading media. You can convert to other formats. You can create GIFs and clean up videos. There are way too many assets you can use with WonderShare UniConverter that it's a MUST for any video editor or graphics designer. It's worth every penny.”

— P.rajotte

“Simple to use, music, pic, video, all can edit or convert, Make my work faster and easy”

— gyn

“Over the years, Wondershare Uniconverter has really transformed into a powerhouse of tools. You can download, convert, crop, compress, enhance the quality, remove the background and do ton of other useful ops. We can do it for Video, Audio, and images, either individually or in batches.”

— Sura Mukkavilli

“Wondershare UniConverter has completely exceeded my expectations! The software is incredibly fast, easy to use, and supports a wide range of file formats. I was able to convert large videos in just minutes without losing quality. The interface is clean and intuitive, making it beginner-friendly while still offering advanced features for power users. ”

— CHEUNG SIN LIM

“Wondershare Video Converter is hands down one of the best tools I’ve added to my creative toolkit. It’s fast, easy to use, and incredibly powerful. Whether I need to convert large video files into different formats, compress them without losing quality, or even edit and trim clips, this software handles it all with ease.”

— TG

“I have been using Wondershare UniConverter for many years. It has been one of the best ways to download, screen capture and convert videos. It has been my go to for video download and conversion.”

— Alan Horner

What Users Say About This WAV to FLAC Converter

★ ★ ★ ★ ★
Rated 4.9/5
Based on 1,643 reviews

Start Your WAV to FLAC Conversion Now

Upload a WAV track to convert it to FLAC online in seconds, or download the desktop app for batch processing and advanced control. Keep lossless quality while saving valuable storage space today.
uniconverter image compressor