Convert an image between JPG, PNG, and WebP without uploading it, then choose the format that fits your photo, graphic, transparency, or print workflow.
Drop an image here or choose a file
JPG, PNG, or WebP · Up to 30MB · Processed locally, never uploaded
The best format depends on what is inside the image and what you plan to do with it. Photos usually benefit from efficient compression, while logos, screenshots, text-heavy graphics, and transparent artwork often need different handling.
| Format | Best for | Transparency | Compression | Main trade-off |
|---|---|---|---|---|
| JPG | Photos, print photos, email attachments | No | Lossy | Small files, but repeated saves can reduce detail |
| PNG | Logos, screenshots, text, diagrams, transparent artwork | Yes | Lossless | Excellent fidelity, but photo files can be much larger |
| WebP | Web images, photos, graphics where file size matters | Yes | Usually lossy in this converter | Efficient files, but some print or legacy workflows prefer JPG/PNG |
| Conversion | What to expect | Use it when |
|---|---|---|
| PNG → JPG | Transparency is removed and the image is compressed. | You need a broadly accepted photo-style file and transparency is not required. |
| JPG → PNG | The new file is lossless, but old JPEG compression artifacts remain. | You need PNG compatibility for editing or a workflow that requires PNG. |
| JPG → WebP | The image is re-encoded into a web-efficient format. | You want smaller web-delivery files while keeping the same pixel dimensions. |
| PNG → WebP | Transparency can be preserved while file size may decrease. | You need transparent graphics optimized for modern websites. |
| WebP → JPG | Transparency is flattened and the output becomes widely compatible. | A print service, editor, or upload form does not accept WebP. |
| WebP → PNG | Transparency can be preserved and the output becomes lossless PNG. | You need editing compatibility, transparency, or a PNG-only workflow. |
Changing a file from WebP to JPG or PNG can solve compatibility problems, but it does not make a low-resolution image suitable for a larger print. A 1200 × 1800 pixel image remains 1200 × 1800 pixels after conversion. Before printing, check whether those pixels are enough for your intended physical size.
The converter decodes your image in the browser and re-encodes the same pixel grid in the target format. JPG and WebP outputs use compressed encoding; PNG stores the rendered pixels losslessly. Converting formats does not add detail or increase the original resolution.
DPI metadata may be preserved where the browser encoder and output format support it, but print quality is determined primarily by the real pixel dimensions relative to the physical print size. Use the DPI Checker or Print Size Calculator when print resolution is the actual question.
It depends on the target format. JPG and WebP use lossy compression in this tool, so repeated re-encoding can remove some image detail. PNG is lossless for the saved pixel data, but converting a previously compressed JPG to PNG cannot restore detail that was already lost.
JPG does not support transparency. Transparent areas are flattened onto a white background when the image is converted to JPG.
No. Converting a JPG to PNG stops additional JPEG-style loss in the new file, but it cannot recreate detail removed by the original JPG compression.
Both support transparency. PNG is a dependable choice for logos, screenshots, and graphics where lossless output matters. WebP is often smaller and works well for web delivery when broad modern-browser support is acceptable.
No. This converter keeps the same width and height in pixels. It changes the image encoding and file format, not the canvas dimensions.
JPG is commonly practical for photographic prints when saved at high quality, while PNG is useful for graphics, screenshots, text-heavy artwork, and transparency. The print provider's accepted formats and your source quality matter more than the file extension alone.
