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JPG to PNG Converter

Converting JPG to PNG switches your image from lossy to lossless compression, eliminating further quality degradation and enabling transparency support. This is essential when you need pixel-perfect quality for logos, screenshots, graphics with text, or any image that will undergo further editing. SublimePDF converts your JPG to PNG in the browser with options to add transparent backgrounds, adjust color depth, and optimize file size. The result is a crisp, artifact-free PNG ready for design work, web overlays, or archiving.

Convert JPG to PNG instantly in your browser — no file uploads, no registration, and completely free.

Drop your JPG files here

or click to browse — up to 50MB

How to Convert JPG to PNG Online

Upload your JPG image

Drag and drop your .jpg or .jpeg file into the converter. Batch upload is supported for converting multiple images at once.

Configure PNG output settings

Choose color depth (8-bit palette for smaller files, 24-bit truecolor, or 32-bit with alpha channel), optionally enable background color removal to create transparent PNGs, and set the PNG compression level.

Download your PNG image

Your converted .png file preserves all visual detail from the original without introducing any additional compression artifacts. Download individually or as a ZIP for batch conversions.

JPG to PNG Converter Features

Lossless output eliminates further quality degradation from JPEG artifacts

Optional background color removal to create transparent PNGs

Configurable color depth — 8-bit palette, 24-bit truecolor, or 32-bit with alpha

PNG compression level control (always lossless — only affects file size, not quality)

Preserves original image dimensions and color profile

Batch conversion for processing multiple JPGs at once

100% free — no registration required

Files processed in your browser (never uploaded)

When to Convert JPG to PNG

Convert product photos to PNG for e-commerce listings that require transparent backgrounds
Prepare JPG screenshots for technical documentation where crisp text rendering matters
Convert JPG logos and watermarks to PNG for overlay use with transparency
Archive JPEG photographs as lossless PNGs to prevent further quality loss from repeated editing and re-saving
Prepare images for graphic design workflows in Figma, Photoshop, or Canva that require lossless PNG input

About JPG and PNG

What is JPG?

JPEG Image (.jpg, .jpeg) — The most common image format, great for photographs and complex images with smooth color gradients. Learn more about JPG →

What is PNG?

Portable Network Graphics (.png) — A lossless image format that supports transparency, ideal for graphics, logos, and screenshots. Learn more about PNG →

Privacy & Security

Your files never leave your device. All conversion happens locally in your browser using WebAssembly technology.

JPG to PNG Conversion FAQ

Will converting JPG to PNG improve image quality?

Converting to PNG prevents any further quality loss — the image won't degrade if re-saved or edited. However, it cannot restore detail already lost during the original JPEG compression. The visual quality stays the same or better going forward.

Why is the PNG file larger than the original JPG?

PNG uses lossless compression, which preserves every pixel exactly. JPEG achieves smaller files by discarding subtle image details. The larger PNG file size is the tradeoff for perfect quality preservation and no further degradation.

Can I make the background transparent?

Yes. You can specify a background color to remove (e.g., white or any solid color), and the converter will replace matching pixels with transparency in the PNG output. This works best with clean, solid-color backgrounds.

What color depth should I choose?

24-bit truecolor is standard for photographs (16.7 million colors). 32-bit adds a transparency alpha channel. 8-bit palette (256 colors) produces much smaller files and works well for simple graphics, icons, and charts.

Can I convert multiple JPGs to PNG at once?

Yes. Upload a batch of JPG files and they'll all be converted to PNG with the same settings. Download them individually or as a ZIP archive.

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