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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How to Convert Images to PDF Online

Name: PhotoScale
Author: PhotoScale

Combine multiple JPG, PNG, WebP, or AVIF images into a multi-page PDF document — free in-browser converter with A4 and Letter page sizes.

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

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