Are my images uploaded to any remote server?

No. All image resizing, format conversions (WebP, JPG, PNG), and compression algorithms run 100% client-side inside your browser using HTML5 Canvas hardware acceleration. Your private photos never leave your device.

Can I convert multiple images and download them all together in a ZIP file?

Yes! You can drop 20, 50, or more images at once. Once compressed, click 'Download All (ZIP)' to download a single organized ZIP package generated locally in RAM.

Why should I convert my JPG and PNG images to WebP?

WebP produces images that are 25% to 35% smaller than JPEG at equivalent visual quality while supporting transparent backgrounds. Switching to WebP significantly improves website loading speed and Google Core Web Vitals (LCP scores).

Can I target specific file sizes like under 50KB or 100KB for exam forms?

Yes. Enable the 'Target File Size Limit' option and select <50KB, <100KB, or custom KB. Our engine will dynamically calculate the optimal quality parameters to fit within your specified threshold.

100% In-Browser Memory · Batch Processing · Zero Cloud Uploads

Bulk Image Compressor & Format Converter.
WebP, PNG & JPG in Seconds.

Compress and convert dozens of images simultaneously directly in your browser. Fine-tune quality, scale dimensions, target strict KB limits, and download all as a single ZIP file.

Select or Drag & Drop Images (JPG, PNG, WebP)

Upload 1 to 50+ photos at once · No file limits · Instant local conversion

Output Format

Quality: 80%

Scale Dimensions

Target File Size Cap

WebP vs. JPG vs. PNG: Which Format Should You Choose?

Selecting the ideal modern image format dramatically accelerates website page loads, reduces mobile data consumption, and improves SEO Core Web Vitals rankings.

RECOMMENDED FOR WEB

WebP Format

Developed by Google, WebP provides superior lossless and lossy compression. It delivers 26% to 35% smaller file sizes compared to JPEG while preserving alpha channel transparency. Supported by 99% of global browsers.

UNIVERSAL COMPATIBILITY

JPEG / JPG Format

The global standard for digital photography, government exam portals, and legacy systems. Delivers excellent compression for natural photographs with millions of colors, but does not support transparent backgrounds.

LOSSLESS GRAPHICS

PNG Format

Best for graphics, UI screenshots, logos, and vector illustrations requiring pixel-perfect sharpness and alpha transparency. Larger in file size, but introduces zero compression artifacts.

Frequently Asked Questions

Are my photos uploaded to any server during compression?

Never. All image resizing, format conversions (WebP, JPG, PNG), and compression algorithms execute 100% locally inside your device’s browser memory using HTML5 Canvas hardware acceleration. Zero bytes are uploaded to remote servers.

Can I convert multiple images and download them in a single ZIP file?

Yes! You can drop 20, 50, or more images at once. Once compressed, click "Download All as ZIP" to download a single organized ZIP package generated locally in RAM using JSZip.

Can I compress images to strict portal limits like under 50KB or 100KB?

Yes. Use the "Target File Size Cap" selector to choose <50KB (ideal for SSC/UPSC exam portals) or <100KB. Our engine will dynamically adjust compression levels to ensure the file fits comfortably under your threshold.

Is there any limit on how many images I can convert?

No! Jemixo tools have zero daily limits, zero watermarks, and no sign-up requirements. You can convert as many photos as you need without restrictions.

Bulk Image Compressor & Format Converter. WebP, PNG & JPG in Seconds.