Any file up to 500 MB. Drop several files and they come back as one ZIP. Many image, audio and video conversions run in your browser; anything else is uploaded and removed within the hour.
Convert your MOV video files to AAC audio format effortlessly. This tool extracts high-quality audio tracks from Apple QuickTime containers, perfect for when you only need the sound.
MOV is a versatile multimedia container developed by Apple, designed to hold video, audio, and metadata. In contrast, AAC (Advanced Audio Coding) is a dedicated audio-only format optimized for high-fidelity sound. When converting MOV to AAC, the process strips the video stream and re-encodes the audio data into the AAC standard. Since both formats utilize lossy compression, the audio undergoes a transcoding process during the extraction.
Because both MOV and AAC use lossy compression techniques, re-encoding the audio track can lead to minor generational loss, although the file size usually remains relatively stable.
We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.
Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.
Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.
A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.
Clips, streams, screen recordings, and movies.
Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG
Raster and vector graphics for web, print, and photography.
Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF
Office files, PDFs, ebooks, and plain text.
Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT
Music, podcasts, voice recordings, and sound effects.
Common extensions: MP3, WAV, FLAC, OGG, AAC, M4A, OPUS
