Finally a truly free unlimited converter! Convert unlimited images online – 100% free, no sign-up required
Menu
CZ | EN
Date published: February 9, 2026
Last update: February 6, 2026
Author: Marek Hovorka
Category: How-To Tutorials
Tags: AVIF image format, Batch image conversion, change JPG to PNG, convert JPG to PNG, image compression guide, image format conversion, Image optimization, JPG to PNG, JPG vs PNG, lossless image format, Mac image conversion, mobile image converter, Online image converter, PNG transparency, WebP vs PNG, Windows image conversion
Convert JPG to PNG quickly and safely. Compare quality, file size, batch options and best methods for Windows, Mac and mobile.
If you’re wondering how to convert JPG to PNG without losing quality, you’re not alone.
JPG is the most common image format on the web, but PNG offers advantages like lossless compression and transparent backgrounds. Depending on your use case, converting JPG to PNG can improve editing flexibility, design compatibility, and image clarity.
This guide explains:
Whether you’re a designer, developer, content creator, or just need transparency support, this complete guide will help you choose the best method.
To convert JPG to PNG:
You can use our converter right here:
Convert locally in your browser. Drop files, choose output, optionally resize, and convert. Progress updates are announced live.
Drag & Drop images, SVGs or PDFs here, or
No files selected.
The fastest method is using an online JPG to PNG converter like PixConverter, which preserves image quality and requires no installation.
Before diving into methods, it’s important to understand what actually changes when you convert a JPG file into PNG — and whether you should convert it at all.
Before you convert JPG to PNG, it’s important to understand what actually changes.
You can find dedicated article focused purely on comparison of there two image formats here: JPG vs PNG: When to Use Each Format for Web, Photos & Logos
| Feature | JPG | PNG |
|---|---|---|
| Compression | Lossy | Lossless |
| File Size | Smaller | Larger |
| Transparency | ❌ No | ✅ Yes |
| Best For | Photos | Graphics, logos |
| Re-saving Quality Loss | Yes | No |
Here’s something many people misunderstand:
If your JPG image was already compressed, converting it to PNG will not recover lost details.
The PNG file will preserve the current quality — but it cannot magically restore original data removed by JPG compression.
That said, converting can still make sense in certain situations.
You should convert JPG to PNG if:
If you’re looking for a deeper technical breakdown of compression algorithms, file structure, and use-case comparison, see our detailed guide:
👉 Here is our dedicated article about JPG and PNG comparison: JPG vs PNG: When to Use Each Format for Web, Photos & Logos
Converting JPG to PNG is not always necessary.
In many cases, JPG is perfectly fine — especially for photographs. But there are specific situations where converting makes practical and technical sense.
Let’s break it down.
This is the most common reason.
JPG does not support transparency. PNG does.
If you’re:
You need PNG.
Even if the original file is JPG, converting it to PNG allows you to edit and export future versions with transparency.
You can read the article about using PNGs for transparency here.
JPG uses lossy compression.
Every time you save it again, quality slightly decreases.
PNG does not degrade with repeated saves.
If you’re:
Convert once to PNG and continue editing in lossless format.
PNG handles sharp edges and text better than JPG.
JPG compression creates:
PNG preserves crisp lines.
For:
PNG is often superior.
Some design workflows prefer PNG:
While JPG works almost everywhere, PNG is often safer for visual editing pipelines.
Important distinction:
Converting JPG to PNG does NOT restore lost quality.
But it stops additional degradation from repeated JPG re-compression.
Think of it as “locking in” the current quality.
To keep this realistic (and trustworthy):
Do NOT convert if:
In these cases, JPG or even WebP may be better.
👉 Suggested article: How to reduce image size without losing quality?
The easiest way to convert JPG to PNG is using an online converter.
This method works on:
No software installation is required.
The entire process takes seconds.
Compared to installing desktop software, online tools offer:
For most users, this is the most efficient method.
If you want a fast and clean JPG to PNG conversion without installing anything, you can use our free online converter here: Convert JPG to PNG instantly in your browser.
No — converting JPG to PNG online does not reduce quality.
Important clarification:
However:
File size will usually increase.
We’ll analyze that in detail later.
This depends on the platform.
When choosing an online converter, look for:
Avoid platforms that:
If you’re converting images for website optimization, consider whether PNG is actually the best final format. Modern formats like WebP or AVIF may offer better compression.
If you prefer not to use an online converter, Windows already includes built-in tools that let you convert JPG to PNG.
No extra software required.
The simplest native method.
That’s it.
Windows converts the image instantly.
Windows 11’s Photos app also allows format conversion.
Similar result to Paint, but slightly more modern interface.
No.
When saving as PNG, Windows does not degrade image quality further.
However:
Not with built-in tools.
For batch conversion you need:
We’ll cover batch conversion properly in a later section.
Use Windows conversion if:
For anything beyond that, online tools are usually faster.
Mac users can convert JPG to PNG quickly using built-in tools like Preview and Finder. No additional software is required.
Below are the most reliable methods.
Preview is the default image viewer on macOS and offers easy format conversion.
Your image is now converted to PNG.
Preview preserves the original resolution and does not reduce quality during format conversion.
macOS includes a built-in batch conversion tool directly in Finder.
Mac will create PNG copies of all selected images in seconds.
This is the easiest way to batch convert JPG to PNG on Mac without third-party software.
Use Preview or Finder if:
For larger batches or cross-device use (for example, switching between desktop and mobile), online conversion tools are typically faster and more flexible.
Mobile conversion is increasingly common, especially for creators, social media managers, and e-commerce sellers who edit images directly on their phones.
Below are the simplest approaches.
iOS does not provide a direct format conversion button in the Photos app, but you can use the Shortcuts app to automate conversion.
However, for most users, the simplest method is using an online converter.
This avoids installing extra apps and works instantly.
Android devices do not include native image format conversion.
Your options are:
The browser-based method is typically the fastest:
No configuration required.
| Situation | Best Option |
|---|---|
| Quick one-time conversion | Online |
| Frequent desktop editing | Windows/Mac tools |
| Batch conversion | Online |
| Cross-device workflow | Online |
Online conversion remains the most universal solution across platforms.
If you regularly work with image libraries, product photos, screenshots, or design assets, converting files one by one is inefficient.
Batch conversion allows you to convert multiple JPG files to PNG in a single process.
Modern browser-based converters allow you to:
Batch conversion online is ideal if:
For large-scale workflows, this is typically the fastest method.
If you need instant multi-file processing, use a batch JPG to PNG converter here
Windows does not offer strong native batch conversion inside Photos or Paint.
Advanced users can:
However, for most users, an online batch converter is simpler and faster.
As mentioned earlier, macOS Finder supports multi-file conversion via Quick Actions.
This works well for:
One of the most common questions is:
Does converting JPG to PNG improve image quality?
The honest answer:
No — but it prevents further loss.
When you convert JPG to PNG:
PNG simply stores the existing pixels in a lossless container.
For photographs:
For graphics with sharp edges:
If quality is your top priority, you may also consider modern formats like WebP or AVIF, which offer better compression efficiency at similar or higher visual quality.
Related guides:
In most cases:
PNG files are larger than JPG files.
Why?
Because JPG uses lossy compression that removes image data to reduce size.
PNG preserves all image data.
| Format | Typical File Size (Photo) |
|---|---|
| JPG | 800 KB |
| PNG | 2.4 MB |
For graphics or logos:
| Format | Typical File Size |
|---|---|
| JPG | 400 KB (blurry edges) |
| PNG | 600 KB (sharp edges) |
PNG is usually larger, but visually more stable.
If you’re optimizing a website, PNG may not be ideal for photographs.
Instead, consider:
You can explore these topics in:
Building a smart format strategy is more important than blindly converting formats.
No. It preserves existing quality but does not restore lost details.
PNG uses lossless compression, which keeps all image data. JPG removes data to reduce size.
Yes. The conversion itself does not reduce quality.
Yes. The easiest way is using an online JPG to PNG converter in Safari.
Yes, if you use secure HTTPS-based platforms that do not store your files.
It depends on use case:
For a deeper technical comparison, see our full JPG vs PNG guide.
Converting JPG to PNG is simple — but knowing when and why to do it makes the difference.
Use JPG for:
Use PNG for:
If you need fast, secure, and high-quality JPG to PNG conversion, you can convert your image directly here in PixConverter.io.
For advanced workflows, also explore:
Choosing the right format improves performance, design quality, and long-term flexibility.
