Choose a JPG file
Drop a JPG or JPEG into the converter, or open the built-in demo. The file is decoded locally in the tab.
Lossless pixels, local processing
JPG to PNG Converter
Convert JPG to PNG online for lossless output, transparency support, and sharp edges. This converter runs entirely in your browser, keeping the file private on your device.
No uploadNo signupNo watermarkJPG · PNG · WebP
Drop a JPG image here
JPG · Up to 100 MB · Max 24 MP
Output—
Format—
Saved—
Real converted output
See what this jpg to png converter produces
These examples show the same 1200 × 800 source before and after conversion. Captions state the real file sizes produced locally with the settings described.
Three quick steps
How to convert JPG to PNG online
The converter keeps the common path visible and previews the real result before you download. No upload, no queue, no account.
Convert losslessly
PNG output is lossless, so no quality slider is used. The converter redraws the pixels and reports the actual output size.
Download the PNG
Compare the preview and download a separate PNG file. Your original JPG remains unchanged.
Format comparison
JPG vs PNG: what changes
Understanding the tradeoff prevents surprises. This table shows what the conversion changes and what stays the same.
| Feature | JPG | After conversion to PNG |
|---|---|---|
| Compression | Lossy with quality control | Lossless |
| Transparency | No | Yes |
| Typical file size | Medium | Largest |
| Best for | Photos and compatibility | Graphics, logos, sharp text |
| Format | Compression | Transparency | Best starting use |
|---|---|---|---|
| JPG | Lossy with quality control | No | Photos, compatibility, small files |
| PNG | Lossless | Yes | Graphics, logos, sharp text, edits |
| WebP | Lossy or lossless | Yes | Compact modern web images |
Honest answer
Why convert JPG to PNG if PNG is larger?
A PNG is usually larger because it stores pixels losslessly. The JPG to PNG converter is the right choice when transparency, sharp text, or an edit-friendly master matters more than file size.
This converter does not invent a transparent background automatically. It converts the pixels you have and keeps transparency available for the PNG format. For automatic cutouts, use a dedicated background remover.
Practical jobs
When converting JPG to PNG is the right move
These are the common situations where the conversion actually saves time, bandwidth, or compatibility headaches.
Logos and signatures
PNG keeps sharp edges and supports transparency, which is why logos and scanned signatures are often delivered as PNG after a JPG source is converted.
An edit-friendly master
Use the JPG to PNG converter before repeated edits so each save does not add more JPG artifacts. PNG re-encoding does not degrade further.
Design and slide decks
Printers, editors, and presentation tools handle PNG reliably. Convert JPG to PNG when you need pixel-exact output.
Interface assets
UI mockups and screenshots keep crisp text as PNG. Convert to PNG before compositing on a colored background.
Know the limits
What this jpg to png converter does not promise
The JPG-to-PNG converter works on the pixels you provide; it does not repair damaged sources, upscale small files, or add detail. Re-encoding to a lossy format removes information, and converting the same file repeatedly never makes it cleaner.
Browser encoders vary slightly, and very large images can strain memory on older phones. Keep your original, inspect text and edges in the preview, and never rely on a format conversion to hide or redact private content.
Continue the workflow
More image tools and converters
Researched questions
jpg to png converter FAQ
Direct answers about cost, privacy, file size, quality, transparency, mobile use, and when to keep the original format.
Is this JPG to PNG converter free?
Yes. The converter is free with no account, subscription, watermark, or daily limit.
Do I need to install an app or browser extension?
No. Everything runs in your browser with Canvas. There is no app, extension, or plugin to install.
Will I lose quality converting JPG to PNG?
No additional quality is lost. PNG is lossless, so the pixels in your JPG are preserved exactly. Existing JPG compression from the original file cannot be recovered.
Why is the PNG larger than the JPG?
PNG uses lossless encoding that stores every pixel, while JPG discards information to save space. A larger PNG is normal and expected for photos.
Can I make a JPG transparent by converting it to PNG?
No. A JPG has no transparency data to recover. Converting to PNG keeps transparency available for the format, but the pixels still need a real cutout or eraser to become transparent.
How do I convert JPG to PNG for a signature?
Scan or export the signature, then convert it here. PNG gives the signature clean edges and a transparent-capable background for documents.
Are my images uploaded to a server?
No. The converter processes files in this browser tab and has no upload endpoint. Temporary previews are local object URLs.
What is the maximum file size?
JPG files up to 100 MB are accepted, within about 24 megapixels and 8192 px per side.
Does JPG to PNG conversion work on mobile?
Yes, in current iPhone and Android browsers. Very large photos may use significant memory, so consider a smaller source on older phones.
Can I convert multiple JPG files at once?
This converter processes one file at a time. Since conversion is instant and local, converting a small batch back to back takes seconds.
When should I use JPG instead of converting to PNG?
Use JPG for photos that need a small size and have no transparency requirement. Convert to PNG when you need sharp edges, transparency support, or a lossless edit master.
Ready when you are
Convert JPG to PNG privately
Choose a file, adjust the output, and download the converted image. No upload, no signup, no watermark.