🖼️
Drop images here or click to browse
PNG, JPG, WebP, GIF, BMP supported
How to Convert Images Online
- Drag and drop one or more images onto the upload area, or click to browse your files.
- Select the Output Format — PNG, JPG, or WebP.
- For JPG/WebP, adjust the Quality slider to balance file size and visual fidelity.
- Click Convert All to process every uploaded image at once.
- Download individual files or click Download All as ZIP for batch export.
Why Use This Image Converter?
- Batch conversion — convert dozens of images at once without a slow upload/download cycle.
- 100% in-browser — your images are processed locally via Canvas API. No server upload, no privacy risk.
- PNG to WebP — WebP files are typically 25–35% smaller than equivalent JPGs at the same visual quality, making them ideal for web use.
- ZIP download — download all converted files in a single ZIP archive for convenience.
- Free, unlimited — no file size caps, no daily limits, no watermarks.
About this tool
Image Converter changes images between common web formats such as PNG, JPG, and WebP directly in the browser. It is useful when you need format compatibility, lighter files for websites, or quick prep work before publishing, sending, or compressing assets.
When to use it
- •Convert transparent PNG assets into JPG or WebP for delivery or testing.
- •Prepare web-friendly exports without opening Photoshop or another desktop app.
- •Normalize a mixed folder of image types before resizing, compression, or upload.
Best for
- •Designers and developers preparing images for websites or CMS uploads.
- •Creators who need simple, privacy-friendly format conversion without a cloud service.
- •Anyone comparing PNG, JPG, and WebP tradeoffs quickly.
Output and privacy
- •Outputs converted image files in PNG, JPG, or WebP depending on your selection.
- •Conversion runs client-side with the browser Canvas API.
- •No original file is uploaded to Hartool servers during conversion.
Limitations
- •JPG does not support transparency, so transparent regions must be flattened to a background color.
- •Browser-based conversion is ideal for normal creative workflows but may struggle with extremely large batches or huge source files.
- •Metadata handling depends on browser processing, so some original embedded data may not be preserved.
Example use cases
- •Convert PNG screenshots to WebP before uploading them to a blog post.
- •Flatten a transparent logo to JPG for a marketplace that only accepts JPEG files.
- •Turn client-delivered JPGs into PNGs for a workflow that needs lossless editing next.
Related tools
- •Use Image Compressor after conversion when file size matters more than format alone.
- •Use Image to PDF if the next step is turning one or more images into a shareable document.
Frequently Asked Questions
What does this image converter do?
This tool converts images between PNG, JPG, and WebP in the browser. It is helpful for changing file compatibility, reducing weight with WebP, or preparing assets for a specific publishing workflow.
When should I use an image converter?
Use an image converter when the current format is not ideal for your destination, for example converting PNG to WebP for web delivery, or PNG to JPG when transparency is not needed and compatibility matters.
What image formats can I convert between?
PNG, JPG/JPEG, and WebP. You can also adjust quality for lossy formats (JPG, WebP) to balance file size and visual quality.
Can I batch convert multiple images?
Yes. Drag and drop multiple files or select them from your file picker. All conversions happen simultaneously in your browser.
Are my images uploaded to a server?
No. All conversion happens client-side using the Canvas API. Your images never leave your device.
Will converting to WebP reduce file size?
Usually yes. WebP typically produces 25-35% smaller files than JPG at the same visual quality, making it ideal for web use.
Can I convert transparent PNGs to JPG?
Yes, but JPG doesn't support transparency. Transparent areas will be filled with a background color (default white).
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