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Podcasts, voice memos, and music down to a size that sends — with the true numbers shown, and nothing leaving your device.
Drop files here
Audio: MP3, WAV, FLAC, OGG, Opus, M4A
Files are converted on your device — nothing is uploaded.
The tool reads the file’s actual contents to work out what it is — no need to tell it, and a wrong file extension won’t fool it.
Your browser does all the work locally. Nothing is uploaded — the file never leaves your machine, so there’s nothing for anyone to store, scan, or leak.
The answer appears on this page as you go. There is nothing to download, because the answer IS the page — screenshot it or write down what matters. Close the tab and nothing of your file remains.
No converter can make every file smaller “without losing any quality”. What this tool does is let you choose the trade-off, and show you the real before/after sizes.
Lossless. Lossless means the picture data is identical after conversion — PNG and FLAC work this way. Files shrink a little, never enormously.
Lossy. Lossy formats (JPG, WebP, MP3, MP4) shrink files by discarding detail your eyes and ears rarely miss. Higher compression = smaller file = more visible trade-off.