Convert to M4A
Convert audio to AAC inside an M4A container without uploading.
1Add audio
Add audio filesDrop files here or choose them
MP3, WAV, M4A, AAC, OGG, FLAC, AC3 (browser-dependent)Instructions and limitations
Add files and choose output settings. Review results before downloading. Originals are not overwritten. Larger files require more memory and time.
Other format tools
Smart file converterMix supported images, video, audio, GIFs, and PDFs in one local conversion queue.Convert to JPGConvert JPG, PNG, WebP, SVG, BMP, or ICO files to JPG locally in batches.Convert to PNGConvert JPG, PNG, WebP, SVG, BMP, or ICO files to lossless PNG locally in batches.Convert to WebPConvert JPG, PNG, WebP, SVG, BMP, or ICO files to WebP locally in batches.Convert to ICOCreate transparent Windows icon files from JPG, PNG, WebP, SVG, BMP, or ICO images locally.Convert to BMPConvert common images to broadly compatible 24-bit BMP files in your browser.Compress imagesReduce image size locally with adjustable quality or a target-size mode.Resize imagesResize multiple images by a maximum pixel dimension without uploading.Rotate imagesRotate JPG, PNG, and WebP images in batches.Add image watermarkAdd a text watermark to multiple images in your browser.Convert to MP4Convert browser-readable videos to MP4 with H.264 and AAC locally.Convert to WebMConvert browser-readable videos to WebM with VP9 and Opus locally.Convert to GIFConvert browser-readable video clips to animated GIFs locally.Compress videoReduce video size with real bitrate, resolution, and frame-rate settings.Compress GIFReduce GIF colors, dimensions, frames, and playback speed locally.Convert to MP3Convert browser-readable audio to compact MP3 files locally in batches.Convert to AACCreate ADTS AAC audio locally with adjustable bitrate and sample rate.Convert to FLACConvert browser-readable audio to lossless FLAC locally.Convert to OGGConvert audio to an OGG Opus file for modern playback.Convert to AC3Encode Dolby Digital AC3 audio inside a widely supported MKA container.Convert to WAVDecode browser-readable audio and export lossless PCM WAV locally.Extract audioExtract the primary soundtrack from audio or video and save it in your chosen format.Mix audioMix multiple browser-readable tracks into one local WAV file.Text to WAVSynthesize Mandarin, Cantonese, or English text to a downloadable WAV file locally.Compress PDFChoose lossless structure optimization or smaller rasterized PDF output.Create an archivePackage files and folders to ZIP, 7Z, TAR, GZIP, BZIP2, XZ, or WIM locally.
