Image Converter
Convert images between JPG, PNG, and WebP formats directly in your browser with real-time preview and full privacy.
What is Image Converter?
Image Converter transforms image files between universal JPEG, lossless PNG, and high-efficiency WebP formats directly inside your browser. Powered by the HTML5 Canvas API, conversions execute entirely in local device memory without sending your photos or graphics across the internet. When converting transparent images to PNG or WebP, alpha transparency is strictly preserved. When converting to JPEG, transparent areas are cleanly composited onto a solid white background because the JPEG standard does not support an alpha channel. Animated GIFs are rasterized to their initial frame. Pixel dimensions are strictly preserved, while EXIF camera metadata and embedded color profiles are stripped during the canvas redraw.
How to use Image Converter
- 1Upload an image file (JPG, PNG, WebP, GIF, or BMP) by dropping it into the zone or clicking to browse.
- 2Select your desired target format: JPG for universal compatibility, PNG for lossless graphics with transparency, or WebP for optimized web delivery.
- 3Review the converted preview image and resulting file size.
- 4Click Download to save the converted image file directly to your device.
Key features
Multiple Target Formats
Switch effortlessly between universal JPG, lossless PNG, and modern high-compression WebP.
Transparency Preservation
Retains alpha transparency channels when exporting to PNG or WebP.
Clean White JPG Fill
Composites transparent backgrounds cleanly onto white when converting to JPEG to prevent black silhouette artifacts.
Exact Pixel Dimensions
Re-encodes native image dimensions without downscaling, distortion, or blurriness.
100% Private Client-Side Conversion
All decoding and encoding happen inside local browser memory with zero server uploads.
Instant Converted Preview
Inspect the output image and exact file size before downloading to your device.
Examples & use cases
Transparent PNG to WebP
Converts a product graphic with a transparent background to WebP, preserving the transparent alpha channel while reducing file size for web publishing.
PNG Graphic to Universal JPG
Converts a PNG screenshot to JPG with clean white background composition for compatibility with legacy image viewers and email clients.
Camera JPEG to Lossless PNG (Preserving Decoded Pixels)
Re-encodes a JPEG photo to PNG to prevent further lossy compression artifacts during subsequent editing steps. Note that while PNG encoding is lossless, it stores the already-decoded pixels and cannot restore visual detail or dynamic range lost during original JPEG compression.
Frequently asked questions
Helpful guides & tutorials
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