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Local multi-file conversion & processing

MP3 to OGG converter

Convert MP3 audio to OGG (Vorbis) in your browser, in batches, without uploads.

File converter

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Every file. A new possibility.

Images, audio, documents and video. Pick your files and give them a new format.

or drop your files here
Supported formats

Images

.png, .jpeg, .jpg, .webp, .gif, .svg, .jxl, .avif, .heic*, .heif*, .ico, .bmp, .cur, .ani*, .icns*, .nef*, .cr2*, .hdr, .jpe, .mat, .pbm, .pfm, .pgm, .pnm, .ppm, .tiff, .jfif, .eps*, .psd, .arw*, .tif, .dng*, .xcf*, .rw2*, .raf*, .orf*, .pef*, .mos*, .raw*, .dcr*, .crw*, .cr3*, .3fr*, .erf*, .mrw*, .mef*, .nrw*, .srw*, .sr2*, .srf*, .a*, .aai, .ai*, .art*, .avs, .b*, .bgr*, .bgra*, .bgro*, .bmp2, .bmp3, .brf*, .cal*, .cals*, .cin, .cip*, .cmyk*, .cmyka*, .dcx, .dds, .dpx, .dxt1, .dxt5, .epdf*, .epi*, .eps2*, .eps3*, .epsf*, .epsi*, .ept*, .ept2*, .ept3*, .exr, .farbfeld, .fax, .ff, .fit, .fits, .fl32, .fts, .ftxt*, .g*, .g3, .g4*, .gif87, .gray*, .graya*, .group4*, .hrz, .icb, .icon, .info*, .ipl, .isobrl*, .isobrl6*, .j2c, .j2k, .jng, .jp2, .jpc, .jpm, .jps, .map*, .miff, .mng, .mono*, .mtv, .o*, .otb, .pal*, .palm, .pam, .pcd, .pcds, .pcl*, .pct, .pcx, .pdb, .pgx, .phm, .picon, .pict, .pjpeg, .png00, .png24, .png32, .png48, .png64, .png8, .ps*, .ps1*, .ps2*, .ps3*, .psb, .ptif, .qoi, .r*, .ras, .rgb*, .rgba*, .rgbo*, .rgf, .sgi, .six, .sixel, .sparse-color*, .strimg*, .sun, .svgz*, .tga, .tiff64, .ubrl*, .ubrl6*, .uil*, .uyvy*, .vda, .vicar, .viff, .vips, .vst, .wbmp, .wpg, .xbm, .xpm, .xv, .ycbcr*, .ycbcra*, .yuv*

Audio

.mp3, .wav, .flac, .ogg, .mogg*, .oga, .opus, .aac, .alac, .m4a, .caf*, .wma, .amr, .ac3, .aiff, .aifc, .aif, .mp1*, .mp2, .mpc*, .dsd*, .dsf*, .dff*, .mqa*, .au, .m4b, .voc, .weba, .mkv*, .mp4*, .avi*, .mov*, .webm*, .ts*, .mts*, .m2ts*, .wmv*, .mpg*, .mpeg*, .flv*, .f4v*, .vob*, .m4v*, .3gp*, .3g2*, .mxf*, .ogv*, .rm*, .rmvb*, .divx*

Documents

.docx, .doc, .md, .html, .rtf, .csv, .tsv, .json, .rst, .epub, .odt, .docbook

PDF → images

.pdf*, .png*, .jpeg*, .jpg*, .webp*, .avif*, .jxl*, .gif*, .bmp*, .tiff*, .tif*, .ico*, .jp2*, .psd*, .qoi*, .tga*, .ppm*, .pgm*, .pbm*, .pnm*, .pcx*, .dds*, .exr*, .hdr*

Formats marked * support import or export only.

How to use this tool

  1. Choose files or drag them into the workspace. Matching inputs get the output format shown on this page.
  2. Check the output format and image quality for each file. Existing files in your queue keep their settings.
  3. Start the conversion, then download individual results or the completed batch. Your original files are unchanged.

Quality and format notes

OGG Vorbis is the open audio format favoured by game engines, Linux tools and web embedding. This conversion decodes your MP3 and encodes OGG; it cannot restore quality the MP3 already lost, but Vorbis often matches MP3 audibility at similar or smaller sizes.

Plenty of apps and car stereos still lack Vorbis support — keep the MP3 when universal playback matters more than an open format.

Frequently asked questions

Why convert MP3 to OGG?

OGG is patent-free and standard in game development, open-source players and HTML5 audio pipelines. Convert when a project or platform requires Vorbis specifically.

Will quality suffer?

It is one lossy encoding stacked on another, so treat this as a format change, not an upgrade. At moderate bitrates Vorbis is efficient and the difference is subtle.

Does the conversion work offline?

After the first conversion downloads and caches the audio engine, converting works offline. Files never leave your device.