Image Converter
Convert images between JPG, PNG, WEBP and more.
About Image Converter
The GuruAlpha Image Converter transforms images between JPG, PNG and WEBP formats. Upload an image in any supported format and download it in your desired format. Useful for web optimization, platform requirements and compatibility across different tools and devices.
Different image formats serve different purposes. JPG is best for photographs (small file sizes, lossy compression). PNG is best for graphics with transparency (lossless, larger files). WEBP is the modern web standard (better compression than both JPG and PNG). The Image Converter lets you switch between formats to meet specific requirements.
The conversion is performed entirely in the browser using the Canvas API. The source image is drawn onto an invisible canvas element and exported in the target format. This approach ensures that conversion happens locally without uploading your images to any server, maintaining complete privacy.
The tool preserves image quality during conversion. PNG to JPG conversion uses the quality slider to control compression. JPG to PNG conversion produces lossless output. WEBP conversion maintains the original quality level. The preview shows the converted image for verification before download.
For web developers, format conversion is essential for optimization. Converting PNG screenshots to WEBP reduces file sizes by 25-34% while maintaining quality. Converting JPG photos to WEBP achieves similar savings. The tool's batch conversion mode handles multiple images at once for efficient workflow.
Key Features of Image Converter
- Convert between JPG, PNG and WEBP
- Browser-based — no server uploads
- Quality slider for lossy formats
- Batch conversion for multiple images
- Preview before download
- Transparent background preservation (PNG)
- EXIF metadata handling
- Works on all devices
How to Use Image Converter
- Open the Image Converter on GuruAlpha.
- Upload an image in any supported format.
- Select the target format (JPG, PNG, WEBP).
- Adjust quality settings if needed.
- Preview the converted image.
- Download the converted image.
Tips for Using Image Converter
- Convert PNG to WEBP for 25-34% smaller files on websites.
- Use PNG when you need transparency (logos, icons).
- Use JPG for photographs — best quality-to-size ratio.
- WEBP is the recommended format for modern web development.
- Batch mode converts multiple images to the same format at once.
Frequently Asked Questions About Image Converter
Which format is best for web?
WEBP offers the best compression for both photos and graphics. JPG for photos where WEBP isn't supported. PNG for transparency.
Does conversion reduce quality?
PNG to JPG is lossy (quality reduction based on quality setting). JPG to PNG is lossless. WEBP conversion maintains original quality.
Can I convert transparent PNGs?
Yes. PNG transparency is preserved in WEBP conversion. JPG does not support transparency — transparent areas become white.
Are my images uploaded?
No. All conversion happens in your browser using the Canvas API. Images never leave your device.