Converts MP4 files to MP3 format — universal video playback on any device to universal music playback and sharing across all devices and platforms. All conversion happens locally in your browser with no file size limits.
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Extract the audio track from QuickTime MOV files and convert it to MP3 format. All processing runs locally in your browser with FFmpeg WASM — nothing is uploaded.
Extract the audio track from WebM video files and convert it to MP3 format. All processing runs locally in your browser with FFmpeg WASM — nothing is uploaded.
Convert MKV video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
Extracts the audio track from uploaded video files (MP4, MOV, AVI, WebM) and encodes it as a high-quality MP3 file. No signup or account required.
Converts MP3 files to WAV format — universal music playback and sharing across all devices and platforms to professional audio editing, mastering, and archival in DAWs and production software. All conversion happens locally in your browser with no file size limits.
MP4 (MPEG-4 Part 14) uses lossy compressed encoding and is best for universal video playback on any device — phones, smart TVs, web browsers, and social media. MP3 (MPEG-1 Audio Layer 3) uses lossy compressed encoding and excels at universal music playback and sharing across all devices and platforms. Converting between them lets you take advantage of each format's strengths — for example, using a compressed format for sharing and a lossless format for editing. All conversion happens locally in your browser with no file size limits.
Extracts the audio track from MP4 video files and saves it as a standalone MP3 file. All processing runs locally in your browser with FFmpeg WASM — nothing is uploaded. All conversions happen locally in your browser.
Format support depends on the specific converter. Check the tool description for supported input and output formats.
Quality depends on the format pair. Lossless conversions preserve original quality; compressed formats offer adjustable quality.
No artificial limits. Very large files may process slower depending on your device's memory.
Yes. All conversions happen locally in your browser. Files never leave your device.
JSON to XML
Converts JSON files to XML format — APIs, configuration files, and data exchange between web services to enterprise systems, SOAP APIs, document formatting, and legacy integration pipelines.
Archive Converter
Compress ZIP archives directly in your browser. Upload any file and download a standard ZIP archive — no uploads to servers, no file size limits.
MKV to MP4
Convert MKV video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
MOV to MP4
Convert MOV video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
WEBM to MP4
Convert WEBM video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
EPUB to PDF
Converts EPUB files to PDF format — e-readers, mobile devices, and accessible digital books to document sharing, printing, and archival with consistent formatting. All conversion happens locally in your browser with no file size limits.