Back to ToolKnit
Blog Tool Tales

JPG to PNG

Convert your JPG/JPEG images to lossless PNG format. Perfect for graphics, logos, and images that need transparency. 100% browser-based. Zero uploads.

No Upload Required Batch Conversion Lossless Quality ZIP Download

Drop your JPG images here

or click to browse —select multiple images at once

Supports .jpg, .jpeg files —Up to 20 MB per file

How it works

Three simple steps —everything happens in your browser.

1

Upload JPG images

Drag and drop or click to select your JPEG images. Batch upload supported.

2

Click convert

Hit the convert button. Each image is re-encoded as a lossless PNG file instantly.

3

Download PNG files

Download individually or grab all converted images as a single ZIP file.

Why choose ToolKnit JPG to PNG Converter?

Lossless Quality

PNG uses lossless compression —no quality degradation no matter how many times you edit and save the file.

Transparency Support

Unlike JPG, PNG supports transparent backgrounds —essential for logos, icons, and graphic design work.

Sharp Text & Edges

PNG excels at images with sharp edges, text, and solid colors —screenshots, diagrams, and UI elements look much crisper in PNG.

100% Private

Your images never leave your device. All conversion happens locally in your browser using the Canvas API.

Pro Tips

  • ● Convert screenshots and UI elements to PNG for sharper text rendering.
  • ● PNG files are larger than JPG —only convert when you need transparency or lossless quality.
  • ● For logos and icons that need transparent backgrounds, PNG is the ideal format.
  • ● Use PNG for images you plan to edit multiple times —no quality loss on each save.
FAQ

Frequently Asked Questions

What is the difference between JPG and PNG?

JPG uses lossy compression and is best for photographs with millions of colors. PNG uses lossless compression, supports transparency, and is ideal for graphics, logos, text, and screenshots where crisp edges matter.

Will my images lose quality when converting to PNG?

No. PNG uses lossless compression, so the converted image preserves all visual information from the original JPG. There is no additional quality loss during the conversion process.

Can I convert multiple JPG files at once?

Yes. You can upload and convert multiple JPG images in one go. All converted PNG files are packaged into a ZIP for convenient download.

Will the converted PNG support transparency?

The converted PNG will have an opaque background since JPG does not support transparency. However, PNG supports transparency natively —you can add transparent backgrounds using a background remover tool after conversion.

Are my images uploaded to a server?

No. All conversion happens entirely in your browser using the Canvas API. Your images are never uploaded anywhere and the tool works offline once loaded.