JPG to PNG Converter
Turn JPEG photos into lossless PNG images in seconds. Batch convert right in your browser, free, no signup, and your files never leave your device.
Your files
How to convert JPG to PNG
- Add your JPGs , Drag and drop one or many JPG files onto the box above, or click to pick them from your device.
- Convert , Hit “Convert all to PNG”. Each image is re-encoded as a lossless PNG inside your browser.
- Download , Save each PNG with one click. Filenames stay the same, only the extension changes.
The complete guide to JPG to PNG conversion
JPG (or JPEG) and PNG are the two most common image formats on the web, but they were built for different jobs. JPG uses lossy compression: it throws away fine detail to make photographs small. PNG is lossless: it keeps every pixel exactly, which makes it the right choice for graphics, screenshots, logos and anything with sharp edges or text. Converting JPG to PNG re-wraps your image in the lossless format, useful whenever a tool, printer or platform specifically asks for PNG.
PNG is a W3C recommendation, and the official PNG specification is the definitive reference on how lossless compression preserves every pixel.
When converting to PNG makes sense
The most common reason is compatibility. Many design tools, print services, app stores and government portals accept PNG but not JPG. Screenshots saved as JPG often look blurry around text; converting them to PNG at least stops further quality loss if you plan to edit and re-save. Developers also convert JPG assets to PNG before editing, because every JPG re-save degrades the image a little more, while PNG can be opened and saved repeatedly without any loss.
Another scenario is consistency. If you are assembling a document, slide deck or web page where every other asset is PNG, converting the odd JPG keeps your pipeline uniform and avoids mixed-format headaches later.
What conversion cannot do, honest limitations
Two myths need clearing up. First, conversion does not improve quality. If your JPG has compression artefacts, blocky patches in skies, fuzzy edges, those artefacts become a permanent part of the PNG. PNG preserves pixels perfectly, including imperfect ones. Second, conversion does not create transparency. JPG has no alpha channel, so there is no transparency data to carry over. Your PNG will have a fully solid background identical to the original photo. If you need a transparent background, you must remove the background with an editor first, then save as PNG.
File size: what to expect
PNG files are almost always larger than the JPG they came from, typically 3 to 10 times larger for photographs. That is normal and not a sign that something went wrong. PNG trades size for perfection.
| Image type | Typical JPG size | Typical PNG size | Verdict |
|---|---|---|---|
| Phone photo (12 MP) | 2–4 MB | 8–20 MB | Keep JPG unless PNG is required |
| Screenshot (1080p) | 150–300 KB | 400 KB–1 MB | PNG worth it for crisp text |
| Simple graphic / chart | 80–200 KB | 60–150 KB | PNG often smaller and sharper |
If the resulting PNG is too large for your needs, run it through our image compressor or consider PNG to WebP for a modern, smaller alternative.
Tips for best results
- Start from the highest-quality JPG you have. Since artefacts are preserved, converting the original camera file beats converting a JPG that was already recompressed by a messaging app.
- Batch in one go. Drop your whole folder at once, each file converts independently and keeps its own filename.
- Watch colour profiles. Browsers render converted PNGs in sRGB. For print work, check colours in your design tool after conversion.
- Do not convert back and forth. JPG → PNG → JPG repeatedly just wastes time; pick the format your destination actually needs.
Bottom line: convert JPG to PNG when you need the PNG format, for compatibility, editing safety or consistency, not when you want better quality or transparency, because conversion provides neither.
Frequently asked questions
Will converting JPG to PNG improve image quality?
No. PNG is lossless, so it preserves every pixel exactly as it appears in the JPG, including any compression artefacts. Convert for format compatibility, not for a quality upgrade.
Will my JPG become transparent after conversion?
No. JPG images contain no transparency information, so the PNG output will have a fully opaque background matching the original.
Why is the PNG file bigger than the original JPG?
JPG uses lossy compression tuned for photos, while PNG stores every pixel losslessly. For photographs, PNGs are typically 3–10x larger. That is expected behaviour.
Are my images uploaded anywhere?
Never. The whole conversion runs in your browser with the Canvas API. Your files stay on your device.
Is there a limit on file size or number of images?
No limits and no account. Convert as many JPGs as you like, in batches, free forever.
Related tools
More free image tools from Fileoraa.
- PNG to WebP , Shrink PNGs for faster websites.
- Compress Image to KB , Hit an exact file size target.
- Image Resizer , Resize by pixels or file size.
- JPG to PDF , Combine JPGs into one PDF.