What is LessMB?
LessMB is a free browser-based tool for shrinking images, videos, and PDFs. It works directly in your browser, so files stay on your device instead of being uploaded to a server. You can compress JPG, PNG, GIF, WebP, AVIF, JXL, SVG, MP4, MOV, WebM, and PDF files, then download the optimized result for sharing, email attachments, publishing, or storage limits. It focuses on privacy, simple workflows, and quick file-size reduction without sign-up.
Key features
- Compress images, videos, and PDFs in the browser.
- Keeps files local without server uploads.
- Supports JPG, PNG, GIF, WebP, AVIF, and JXL.
- Compresses MP4, MOV, WebM, and PDF files.
- Lets you compare results before downloading.
- Works without sign-up or account creation.
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Founder
ma jin
