Free Online Image Converter & Compressor

Upload a PNG, JPG or WEBP image, choose a new format and compress the file using the quality slider. You can preview the result, compare file sizes and download the converted image.

Everything runs directly in your browser. Your image is not uploaded to a server, stored in a database or sent anywhere.

Original Image

Upload an image to preview it here.

Converted Preview

Converted preview will appear here.

Original Size-

Converted Size-

Saved-

Dimensions-

Upload image: Convert to: JPG / WEBP quality:

Your image is processed in your browser and is not uploaded to a server.

JPG and WEBP can reduce file size using quality compression. PNG is lossless, so converting to PNG may create a larger file.

Tip: WEBP often gives the smallest file size. JPG is usually best for photos. PNG is best for transparent graphics.

How To Use This Image Converter

Upload an image from your device, choose PNG, JPG or WEBP as the output format, then click Convert Preview. The tool will show the converted result and estimate the new file size.

Use the quality slider when converting to JPG or WEBP. Lower quality usually creates a smaller file, while higher quality keeps more detail.

Convert PNG, JPG and WEBP Images

This tool can convert common image formats including PNG, JPG, JPEG and WEBP. It is useful for websites, social media, blogs, Etsy, Pinterest, thumbnails, online forms and reducing image upload sizes.

Image Compression Tips

JPG is usually best for photos. PNG is best for images that need transparency or sharp graphics. WEBP often gives strong compression with good quality, making it useful for websites.

Are My Images Uploaded?

No. The conversion and compression happens locally in your browser using canvas. Your image is not uploaded to BestBlog, saved on a server or sent anywhere.

Image Converter FAQ

Can I convert PNG to JPG?

Yes. Upload a PNG image, choose JPG as the output format and download the converted file. Any transparent areas will become white because JPG does not support transparency.

Can I convert JPG to PNG?

Yes. Upload a JPG image and choose PNG. Keep in mind that PNG may be larger because it is lossless.

Can I convert images to WEBP?

Yes. Choose WEBP as the output format. WEBP is often a good option for smaller website images.

Does this reduce image file size?

Usually yes when converting to JPG or WEBP and lowering the quality slider. PNG output may be larger depending on the image.

Does this work on mobile?

Yes. The converter works in modern mobile browsers.