PNG to JPG

Click or drag PNG files here
Click to upload PNG files
Supports PNG, JPG, WebP, GIF, ICO, BMP, SVG, HEIC, AVIF, TIFF, PDF, PSD, JXL, RAW

Convert PNG images to JPG format entirely in your browser — your files never leave your device. This tool automatically fills transparent backgrounds with white, solving the common problem where online forms, job applications, and government portals reject PNG uploads or only accept JPG/JPEG. The resulting JPG files are significantly smaller while maintaining high visual quality, making them ideal for uploads, email attachments, and general sharing.

Related

Image Converter

Image Compressor

JPG to PNG

PNG to WebP

Image Resizer

Image Cropper

Use Cases

  • Online job applications, exam registrations, and government forms only accept JPG uploads — convert PNG screenshots and ID photos before submitting.
  • E-commerce backends and product listing systems require JPG format — quickly convert PNG product images for upload.
  • Large PNG screenshots or logos are too big for email or instant messaging — convert to JPG for much smaller file sizes.
  • Need to insert PNG images into older systems or legacy Office documents that only support JPG.
  • Websites throw format errors saying only JPG/JPEG is allowed — convert instantly to fix upload issues.
  • Batch organizing large collections of PNG screenshots — convert to JPG for more efficient archiving and sharing.
  • Windows Photo Viewer or older software displays PNG files incorrectly — JPG has universal compatibility.
  • Design mockups exported as PNG need to be used in contexts that don't support transparency — convert to JPG with white background.
  • Email attachment size limits prevent sending large PNGs — JPG compression significantly reduces file size for delivery.
  • Print shops request photos in JPG format — convert PNG ID photos and personal pictures before printing.
  • PNG images from phones or cameras won't display on older devices — JPG works reliably everywhere.
  • Inserting images into resumes or portfolio PDFs — JPG offers better compatibility and smaller file sizes.

How to Use

  1. Click the upload area or drag a PNG image onto the page. Only PNG format files are accepted.
  2. Conversion starts automatically after the file is selected, with transparent backgrounds filled with white.
  3. Wait for decoding and encoding to complete. The progress bar shows real-time processing status.
  4. Preview the JPG output dimensions and file size after conversion, then click download to save locally.

Features

  • 100% client-side processing: All conversion happens in your browser via Web Workers — PNG files are never uploaded to any server, keeping your data private
  • Automatic white background fill: Transparent PNG areas are filled with white automatically, preventing black backgrounds that commonly appear with other converters
  • High quality output: Encoded at 0.92 quality parameter to preserve image detail and minimize JPG compression artifacts
  • Instant auto-conversion: Upload a PNG and conversion starts immediately — no extra clicks needed, results appear in seconds
  • Dimension and size preview: Shows output JPG width, height, and file size before you download
  • Web Worker multithreading: Conversion runs in a background thread so the page stays responsive during processing
  • Original dimensions preserved: Output JPG matches the exact width and height of your source PNG, no scaling or cropping

PNG vs JPG: Which format should you choose?

FeaturePNGJPG
CompressionLosslessLossy
Transparency✅ Yes❌ No
File sizeLargerSmaller
Best forIcons, logos, screenshots, text graphicsPhotos, natural scenes, portraits
CompatibilityGoodBest
Common usesDesign files, transparent elementsForm uploads, photo sharing, general web

FAQ

What happens to transparent backgrounds when converting PNG to JPG?

JPG does not support transparency. During conversion, transparent areas are automatically filled with a solid white background. If you need to preserve transparency, do not convert to JPG — keep the original PNG or use [PNG to WebP](/image/png-to-webp/) instead, which supports alpha channels.

Will image quality decrease after conversion?

Some compression loss is expected since JPG is a lossy format. This tool uses a high 0.92 quality parameter to keep file sizes small while preserving visual quality. For scenarios requiring absolute fidelity, keep your original PNG files.

How much smaller will the JPG file be compared to the original PNG?

For photo-based PNGs, file size typically decreases by 50-80%. For graphics and text-based PNGs with simple colors, results vary depending on image content. The page displays a before/after size comparison after conversion.

Why do I get a format error when uploading?

This page only handles PNG to JPG conversion and only accepts PNG files. If you need to convert other formats, use the [main image converter](/image/convert/), which supports 20+ input formats.

Is batch conversion supported?

Currently one PNG is processed at a time to ensure browser-side stability and speed. Process files sequentially for multiple conversions. Batch processing may be added based on user feedback.

Are my images uploaded to a server? Is it private?

No, nothing is uploaded. 100% of the conversion happens locally in your browser via Web Workers. Your PNG images are never sent to any server or stored in the cloud. Processing ID documents, personal photos, and sensitive images is completely safe.

Why does my JPG have a black background?

This tool automatically fills transparent PNGs with a white background, so black backgrounds should not occur under normal circumstances. If you see an abnormal background, verify that your original PNG file is not corrupted, or try re-uploading.

Can I convert JPG back to PNG?

Yes, use the [JPG to PNG](/image/jpg-to-png/) tool. Note that converting JPG to PNG will not recover lost quality or create a transparent background — it simply changes the container format.