Convert PNG images to JPEG format instantly in your browser. For photographs and complex images, JPEG produces files 5-10x smaller than PNG with minimal visible quality loss. SizeMyPic runs entirely client-side — no files are uploaded anywhere.
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Supports JPEG, PNG, WebP, and SVG
PNG uses lossless compression, which preserves every pixel but creates large files for photos. A 5MB PNG photograph typically converts to 500KB-1MB as JPEG at quality 85 — a 5-10x reduction. HTTP Archive data shows images account for ~50% of page weight, so this directly impacts load times.
JPEG is the standard format for photographs. Every social platform, email client, messaging app, and photo printing service accepts JPEG. Many platforms actually re-encode uploaded PNGs to JPEG anyway, so converting beforehand gives you control over quality settings.
Screenshots and phone cameras sometimes save as PNG by default. SizeMyPic lets you drop hundreds of PNGs at once, convert them all to JPEG at your preferred quality level, and download everything as a ZIP file.
Yes — JPEG uses lossy compression that discards visual data the eye is less sensitive to. At quality 85-90, the difference from the original PNG is virtually invisible for photographs. For images with sharp text, hard edges, or flat colors (logos, screenshots, diagrams), the artifacts are more noticeable — consider keeping those as PNG or converting to WebP instead.
Yes. JPEG does not support transparency. Any transparent areas in your PNG will be filled with a solid background (typically white) during conversion. If you need to keep transparency, convert to WebP instead, which supports both transparency and efficient compression.
For web use, quality 80-85 offers the best balance of file size and visual quality. For print or archival purposes, use 95+. Below 70, compression artifacts become noticeable in most photographs. SizeMyPic's quality slider lets you preview the result before downloading.