Is PhotoScale completely free and safe to use?

Yes! PhotoScale is 100% free with no hidden fees, subscriptions, or limits. All image processing happens locally inside your browser memory using WebAssembly & Web Workers. Your photos are never uploaded to any cloud server.

What image formats does PhotoScale support?

PhotoScale supports JPEG, PNG, WEBP, AVIF, HEIC, GIF, SVG, BMP, ICO, and TIFF image formats.

Can I compress images to a specific target KB size?

Yes! PhotoScale includes a Target Size Solver feature that automatically calculates the optimal quality setting to reach your exact required file size in KB or MB.

Does PhotoScale have a limit on batch image processing?

No! You can compress, convert, and edit hundreds of images simultaneously. PhotoScale leverages multi-threaded Web Workers across all CPU cores for lightning-fast batch processing.

Can I convert images to PDF or create passport photos?

Yes! PhotoScale includes dedicated studios for converting images to multi-page PDFs with DPI controls, as well as a biometric passport photo generator with official 2x2 inch and 35x45mm sizing.

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100% In-Browser • Private & Secure

Document Scanner — PhotoScale Help

Name: PhotoScale
Author: PhotoScale

Straighten and enhance photos of documents using perspective correction and contrast boost — export as crisp PDF or image.

The Science of Digital Image Compression: Discrete Cosine Transform & In-Browser Privacy

Digital image compression is foundational to modern web architecture, accounting for over 65% of network bandwidth worldwide.