Image Format Converter
Convert images between any format. Support PNG, JPG, WebP, AVIF, GIF and more.
or drop files here
Maximum file size: 50MB per file
High Quality
Keep your files clear and usable while reducing size or converting formats.
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Process multiple files in seconds with our optimized browser-based tools.
Supported Formats
Compress, convert & crop images offline on iPhone - privacy-first, batch up to 200
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About Image Format Conversion
Our image format converter supports conversion between all major image formats including PNG, JPG, WebP, AVIF, GIF, BMP, and more. Whether you need to convert for web optimization, compatibility, or specific platform requirements, our tool makes it easy. All conversions happen in your browser for complete privacy.
How to Use This Tool
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1
Select Your Files
Click the upload button or drag and drop your files into the upload area. You can select multiple files at once.
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2
Start Processing
Choose the settings you need, then start the tool. Processing happens in your browser and results appear in real time.
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3
Download the Results
Download your processed files individually or all at once when the task is complete. Your original files remain unchanged.
Frequently Asked Questions
How to convert WebP to PNG online?
Upload your WebP file and our converter turns it into PNG instantly. Works in your browser for maximum privacy.
How to convert image formats?
Upload any image and select your target format. Supports conversion between JPG, PNG, WebP, GIF, SVG, HEIC, and more.
Does converting PNG to JPG reduce image quality?
Yes, JPG uses lossy compression, so converting from PNG may slightly reduce quality. Use a quality setting of 85-95% to keep the difference visually unnoticeable while cutting file size by 50-80%. PNG to PNG conversions remain lossless.
Which image formats support transparent backgrounds?
PNG, WebP, GIF, and AVIF all support transparency. PNG is best for logos with sharp edges, WebP and AVIF offer smaller files with full alpha channels, while GIF only supports 1-bit transparency, so pixels are either fully visible or fully invisible.
Are my images uploaded to a server during conversion?
No, all conversions run locally in your browser using JavaScript, so images never leave your device. This means the tool works offline after loading, processes a 10 MB file in seconds, and keeps your photos completely private.
Is AVIF better than WebP for compressing photos?
AVIF typically produces files 20-50% smaller than WebP at similar visual quality, but browser support is slightly narrower and encoding takes longer. Choose WebP for maximum compatibility since all major browsers have supported it since 2020.
What is the maximum file size I can convert?
Because processing happens in your browser, there is no hard server limit; capacity depends on your device's RAM, typically handling images up to 50-100 MB. Most photos under 10 MB convert in one to two seconds.
How do I convert multiple images to WebP at once?
Drag and drop several files at once or select them together in the file picker, then pick WebP as the output. Ten 5 MB JPGs typically convert in under 10 seconds, and all results can be downloaded together.
Why Choose Let Compress?
- No file upload required - 100% client-side processing
- Free to use with no registration needed
- Batch compress multiple files at once
- Optimized compression algorithms for best results
- Works on all modern browsers and devices
- No file size limits or compression quotas
References & Resources
Authoritative specifications and references for the file formats this tool works with.