About · English
What is file compression?
A clear, jargon-free explanation of file compression — lossless vs lossy, when to use what, and how Krymp does it.
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File compression is the process of making a file smaller without losing what matters.
Lossless compression keeps the file pixel-perfect. Lossy compression trades some quality for much smaller files.
Private. Files are processed in your browser. Nothing is uploaded.
Free, unlimited. No account, no watermark, no daily caps.
How it works
- 1Lossless. PNG, FLAC, ZIP — the original is recoverable bit-for-bit.
- 2Lossy. JPG, MP3, MP4 — much smaller, slight quality loss.
- 3In your browser. Modern WebAssembly lets us run real compressors locally.
FAQ
- Is lossy bad?
- No — modern codecs (JPG, MP4, MP3) are lossy but visually transparent.
- When pick lossless?
- Archival, scientific, or when you'll edit further.
- Is compression secure?
- It's just math — compression itself doesn't change privacy.