MP4MP3
MP4 to MP3
Extract an MP3 audio track from an MP4 video in your browser.
VideoAudioLocal
ConvertPrivate, browser-based conversion
Convert files quickly and securely.
Change image, audio, and video formats with a focused tool that keeps compatible files on your device.
- No account
- No server uploads
- Up to 250 MB
New conversion
LocalDrop a file to get started
Up to 250 MB
product-demo.mp4
24.6 MB
Converting locally75%
Ready to download
Formats you use every day
Practical output choices for common media workflows.
JPGPNGWEBPGIFBMPMP4MOVWEBMMKVMP3WAVAACFLAC
Popular converters
Start with a common conversion, or open the converter for more output options.
MOVMP4
MOV to MP4
Create a broadly compatible MP4 copy of a MOV video.
VideoCompatibilityLocal
ConvertWEBMMP4
WEBM to MP4
Convert a web-first WEBM video into a familiar MP4 file.
VideoWebLocal
ConvertPNGJPG
PNG to JPG
Turn a PNG image into a compact, easy-to-share JPG.
ImageSmaller filesLocal
ConvertJPGPNG
JPG to PNG
Create a PNG version of a JPG image without uploading it.
ImageLosslessLocal
ConvertWEBPPNG
WEBP to PNG
Make a broadly editable PNG copy of a WEBP image.
ImageCompatibilityLocal
ConvertYour files stay with you.
FileAlt uses a browser-based conversion engine. Compatible files are processed on your device instead of being sent to an application server.
Read privacy answersLocal processing
File contents remain in the current browser session.
No stored copies
Refreshing the page clears selected files and generated links.
Direct workflow
Download the result as soon as local processing finishes.
Clear controls
Remove files from the queue whenever conversion is idle.
Common questions, clear answers.
Learn how local conversion works, what FileAlt supports, and what to try if a file cannot be processed.
View all questionsYour next conversion is a few clicks away.
Choose a file, select the format you need, and let FileAlt handle it locally.
Convert a File