Image Converter (JPG, PNG, WebP)
Convert between image formats
Browser-only processing
Files are processed in your browser — nothing is uploaded.
Drop images to convert (multiple allowed)
Related tools
More browser-based tools for this workflow.
What this tool does
Batch-convert images between JPG, PNG, and WebP. Adjustable quality for lossy formats, preview, and ZIP download.
Image Converter (JPG, PNG, WebP) is a free image utility that gets the job done without installing software or creating an account. The whole process runs inside this browser tab, so your input never leaves your device. Common searches that land here include jpg to png, png to jpg.
Key features
- Batch-convert JPG, PNG, WebP, GIF, and BMP between JPG, PNG, and WebP
- Per-file preview with original size, output size, and individual download
- Quality slider for lossy targets (JPG, WebP); PNG stays lossless
- ZIP download of the whole batch in one click
- Runs in your browser via a canvas pipeline — files never leave your device
Common use cases
- Switching PNG screenshots to WebP for a faster website
- Turning a folder of WebP photos into JPGs an old viewer can open
- Standardizing mixed-format uploads to a single output format
Things to know
- Animated GIFs are flattened to a single frame on conversion
- Transparent PNGs converted to JPG are filled with white (JPG has no alpha)
- HEIC/HEIF and RAW are not accepted — convert to PNG/JPG first
Privacy & local processing
Image Converter (JPG, PNG, WebP) processes everything inside your browser — your files and text are never uploaded to a server, never logged, and never shared with third parties.How to use Image Converter (JPG, PNG, WebP)
- 01
Drop one or more images.
- 02
Pick the target format and adjust quality (ignored for PNG).
- 03
Run Convert, then download each file or grab a ZIP.
Frequently asked questions
Is my data uploaded anywhere?
No. Every tool on WebToolsLabs runs entirely inside your browser. Your data never leaves your device.
Is this tool free?
Yes. All tools on WebToolsLabs are 100% free with no signup, no watermarks, and no usage limits.