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Convert Image Format
Files Never Leave Your Device
Convert images between PNG, JPEG, and WebP with optional quality adjustment for lossy formats. Runs 100% in your browser.
Click to upload or drag and drop
Supports PNG, JPEG, or WebP (Max 50MB)
How to Use Image Converter
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Upload your file
Select or drop any PNG, JPEG, or WebP file from your computer or mobile device.
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Choose target format
Select your desired output format (PNG, JPEG, or WebP). If converting to lossy JPEG or WebP, you can optionally adjust the quality percentage.
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Download converted file
Click "Download Converted Image" to receive your new format file instantly.
Supported Formats & Limits
- Accepted Formats: PNG, JPEG, WebP
- Max Recommended File Size: 50 MB
- Processing Method: 100% In-Browser (HTML5 Canvas API)
- Server Uploads: None (Zero bytes sent to any remote server)
Privacy & Security Guarantee
Your photos and graphics are processed entirely in your web browser's memory using native web technologies. Unlike traditional online converters, your files are never transmitted across the network, stored on external disks, or analyzed by third parties.
Best Practices & Tips
- Convert heavy PNG screenshots into WebP to reduce file sizes by up to 80% without losing visual fidelity.
- If maximum fidelity and sharp text/line art are critical, convert into PNG.
Frequently Asked Questions
When should I convert to WebP?
WebP is ideal for web publishing, websites, and mobile applications because it supports both lossy and lossless compression as well as transparency, while being significantly smaller than PNG and JPEG.
What happens to transparency when converting to JPEG?
JPEG does not support alpha transparency. When converting a transparent PNG to JPEG, transparent areas are automatically composited onto a clean white background to avoid black artifacts.
Are there limits on file sizes or daily conversions?
There are no artificial daily limits, subscriptions, or paywalls. Because all conversion happens locally on your computer, you can convert as many images as you need.