JPEG to PNG & PNG
to JPEG — free online
The easiest way to convert JPEG to PNG or change PNG to JPEG — free, instant, and done right in your browser. No file uploads, no sign-up, no waiting. Just drop your image, pick your format, and download. Accepts JPEG, PNG, WEBP, GIF and BMP. Outputs JPG, PNG, WEBP and BMP.
or click to browse — PNG, JPG, WEBP, GIF, BMP
Batch Convert — up to 20 images
or click to select — up to 20 files
Resize & Crop
or click to browse
Enhance & Filters
or click to browse
Add Watermark
or click to browse
Convert Images to PDF
Select multiple images — merged into one PDF in order.
or click to select multiple
Three steps to a perfect image
Upload your image
Drag and drop any image or click to browse. Supports PNG, JPG, WEBP, GIF and BMP.
Download instantly
Your edited image is ready in seconds. No email required, no waiting.
Zero server uploads
Everything runs in your browser. Your images are never sent anywhere.
Built for speed, privacy and quality
Lightning fast
Everything runs in your browser — no server round trips, just instant results every time.
100% private
Your images never leave your device. We have zero access to your files — ever.
Batch convert
Upload 20 images at once and convert them all in a single click. Huge time saver.
Filters & enhance
Grayscale, sepia, warm, cool, vintage and more — apply pro filters with one click.
Resize & crop
Set exact pixel dimensions and maintain aspect ratio for perfectly sized images.
Watermark
Add custom text watermarks with full control over position, size, color and opacity.
Convert to PDF
Merge multiple images into a single PDF. Choose page size and orientation.
Free JPEG to PNG Converter — and PNG to JPEG Too
FormatZen is a free online image converter that works entirely inside your browser. Need to convert JPEG to PNG? Or turn a PNG into a JPEG? You can do both here in seconds — no account, no file uploads, and no cost. It also supports WEBP, BMP, and GIF, and can batch-process up to 20 images at once.
How to Convert PNG to JPEG (and JPEG to PNG) Online for Free
It is very simple. Drop your image into the converter, choose the output format — JPEG, PNG, WEBP or BMP — then click Convert and download. That is all there is to it. Most people convert PNG to JPEG to get a smaller file size, or change a JPEG to PNG when they need a transparent background. Both work the same way here, and both are completely free. Everything runs locally in your browser, so your images are never sent to any server.
Supported Image Formats
FormatZen supports the most widely used image formats so you can convert images online without compatibility headaches:
- JPG / JPEG — ideal for photographs and social media images
- PNG — perfect for graphics, logos, and images requiring transparency
- WEBP — Google’s modern format for smaller file sizes with high quality
- BMP — uncompressed raw bitmap format for maximum compatibility
- GIF — supported as an input format for quick conversions
More Than a JPEG to PNG Converter
Beyond converting JPEG to PNG or PNG to JPEG, FormatZen gives you a full set of free image tools:
- Batch convert up to 20 images at once to save time
- Resize and crop images to exact pixel dimensions
- Apply photo filters including grayscale, sepia, vintage, and more
- Add custom text watermarks with full control over position and opacity
- Merge multiple images into a single PDF document
Popular Conversion Tools
Frequently Asked Questions
What is an image converter?
An image converter is a tool that changes an image file from one format to another — for example, converting a JPG to PNG or a PNG to WEBP. FormatZen is a free online image converter that runs entirely in your browser, meaning no files are ever uploaded to a server.
Is this image converter free?
Yes! FormatZen is completely free — no account, no credit card, and no conversion limits. All tools including batch convert, resize, filters, watermark, and PDF creation are free to use directly in your browser.
Which image formats are supported?
FormatZen supports JPG/JPEG, PNG, WEBP, BMP, and GIF as input formats. You can convert to JPG, PNG, WEBP, and BMP — all completely free with no restrictions.
Is it safe to upload my images?
Absolutely — and in fact, you are not uploading your images anywhere. FormatZen processes all images locally inside your browser using JavaScript. Your files never leave your device and are never sent to any server. This makes FormatZen one of the most private image converters available online.
Can I convert images on mobile?
Yes! FormatZen is fully responsive and works on smartphones and tablets. You can convert images directly from your mobile browser on iOS or Android without downloading any app. The interface adapts automatically to smaller screens for a smooth experience.
How do I convert PNG to JPEG?
Converting PNG to JPEG is easy. Drop your PNG file into the converter, choose “JPG — Photos” from the output format list, then click Convert and download. PNG to JPEG conversion reduces file size, which is great for sharing photos online. The whole thing is free and takes just seconds.
How do I save a PNG as a JPEG?
You can save a PNG as a JPEG using FormatZen in three steps: drop your PNG into the tool, select JPG as the output format, and click Download. Your PNG is saved as a JPEG file instantly — no software to install and nothing to pay.
What is the difference between JPEG and PNG?
JPEG (also written as JPG) uses lossy compression, which makes the file smaller but can reduce quality slightly — it is best for photos and images with lots of colour. PNG uses lossless compression and supports transparent backgrounds, making it better for logos, graphics, and screenshots. Use FormatZen to change JPEG to PNG or PNG to JPEG for free, depending on what you need.
How do I convert JPEG to PNG?
To convert JPEG to PNG with FormatZen: (1) Drop your JPEG image into the converter or click to browse, (2) Select “PNG — Lossless” from the format dropdown, (3) Click Convert, then download your PNG file. The whole process takes just a few seconds and your image never leaves your browser. It is completely free — no account needed.