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Convert JPG to PNG Online Free — Fast Batch Conversion
How to Convert Images Online
1Upload your JPG file
Click the upload button or drag and drop your JPG file onto the converter. You can upload up to 10 files at once for batch conversion.
2Select PNG output format
Choose PNG as the output format.
3Convert
Click Convert. Convertify processes your file instantly using Rust and libvips.
4Download PNG
Download your converted PNG file. The original JPG is deleted from the server immediately after download.
Supported Image Formats
PNG
Lossless format that preserves every pixel. Best for screenshots and logos.
JPG
Universal format for photos. Supported everywhere, great balance between quality and file size.
HEIC
Apple photo format used by iPhone and iPad. High quality with small file size.
HEIF
High Efficiency Image Format — same as HEIC, used on Apple devices.
WebP
Modern image format by Google. Up to 30% smaller than JPG with the same quality.
GIF
Classic format for simple animations. Supports transparency and up to 256 colors.
BMP
Uncompressed bitmap format. Maximum quality but very large file size.
TIFF
Professional lossless format used in printing and photography.
AVIF
Next-gen format with excellent compression. Up to 50% smaller than JPG.
PPM
Portable Pixmap format used in Unix/Linux environments.
HDR
High Dynamic Range format storing extended brightness data.
FITS
Flexible Image Transport System used in astronomy and science.
PDF
Portable Document Format. Convert PDF pages to JPG, PNG or WebP images.
AVIF vs WebP vs HEIC vs JPG
Quick comparison to help you choose the right format
AVIF
- Size: Up to 50% smaller than JPG
- Browsers: Chrome, Firefox, Safari
- Transparency: ✓
- Best for: Web performance
WebP
- Size: 25-35% smaller than JPG
- Browsers: All modern browsers
- Transparency: ✓
- Best for: Web compatibility
HEIC
- Size: ~50% smaller than JPG
- Browsers: Safari only
- Transparency: ✓
- Best for: iPhone storage
JPG
- Size: Baseline
- Browsers: All browsers & apps
- Transparency: ✗
- Best for: Universal sharing
Frequently Asked Questions
- Does converting JPG to PNG improve quality?
- No. The quality lost during JPG compression cannot be recovered. Converting to PNG preserves the current quality and prevents further degradation — but it does not restore detail that was already discarded when the JPG was originally created.
- Why is my PNG so much larger than the JPG?
- PNG uses lossless compression that stores every pixel exactly. JPG achieves smaller files by discarding image data. A photographic JPG converted to PNG typically increases 3–5× in size. This is expected — the PNG contains more data. For web delivery, keep using JPG. Use PNG for editing workflows.
- Does converting JPG to PNG add transparency?
- No. Conversion does not automatically make the background transparent. The white (or any color) background stays as-is. To remove a background, you need a background removal tool after converting to PNG format.
- Can I convert JPG to PNG and back without quality loss?
- Converting JPG → PNG preserves quality (no further loss). Converting PNG → JPG re-applies lossy compression and reduces quality again. Each JPG re-encode cycle degrades the image slightly. To avoid this, keep your working files as PNG and only export to JPG as the final step for web delivery.
- Is PNG better than JPG for screenshots?
- Yes. Screenshots contain sharp text, UI elements, and flat colors — exactly what PNG compression handles efficiently. JPG compression creates visible artifacts around text and sharp edges. PNG screenshots are sharper and often smaller than JPG screenshots for the same content.
- Can I convert multiple JPG files to PNG at once?
- Yes. Convertify supports batch conversion — upload up to 10 JPG files and download them all as PNG simultaneously.
- Will my EXIF metadata be preserved?
- Yes. Convertify preserves EXIF metadata including camera settings, GPS data, and timestamps during JPG to PNG conversion.
- What JPG quality settings work best for conversion?
- Any JPG can be converted to PNG regardless of its original quality setting. Higher quality JPGs will produce better-looking PNGs simply because they contain more image data. A low-quality JPG converted to PNG will still show JPG compression artifacts — the format change cannot fix quality that was never there.
JPG vs PNG — what actually changes when you convert
JPG uses lossy compression — it permanently discards image data to achieve small file sizes. Every time you save a JPG, quality degrades slightly. PNG uses lossless compression — every pixel is preserved exactly, and you can save and re-save without any quality loss. Converting JPG to PNG does not recover lost detail — the quality baked into the JPG is the ceiling — but it stops further degradation. Any edits you make to the PNG and re-save will be lossless from that point forward.
When should you convert JPG to PNG?
Convert JPG to PNG when you need to edit and re-save an image multiple times without accumulating compression artifacts. Common use cases include: preparing images for graphic design work in Photoshop or GIMP where you will make multiple saves, extracting a logo or product image for further editing, converting screenshots to PNG for documentation or UI mockups, and preparing images for platforms that require PNG format such as app stores, game engines, or design tools. PNG is also required when you need transparency — JPG has no alpha channel, so any transparent background must be PNG.
Transparency: JPG has none, PNG has full support
JPG does not support transparency in any form. If you have a product photo with a white background that you want to make transparent, you cannot do this in JPG format — you must convert to PNG first, then use a background removal tool. PNG supports full alpha channel transparency: each pixel can be fully opaque, fully transparent, or any level of semi-transparency. This makes PNG the standard format for logos, icons, UI elements, stickers, and any image that needs to sit on top of another image or a colored background.
JPG vs PNG: When to use which
| Feature | JPG | PNG |
|---|---|---|
| Compression | Lossy (data lost) | Lossless (pixel-perfect) |
| File size | Small | Large (2–5× JPG) |
| Transparency | Not supported | Full alpha channel |
| Re-saving quality | Degrades each save | No quality loss |
| Photos | ✅ Best choice | ⚠️ Very large files |
| Logos / icons | ❌ No transparency | ✅ Best choice |
| Screenshots | ⚠️ Compression artifacts | ✅ Best choice |
| App stores / design tools | Often rejected | Standard format |
| Browser support | All browsers | All browsers |
File size: what to expect after conversion
PNG files are significantly larger than JPG files for photographic content. A 500 KB JPG photo may become a 2–4 MB PNG. This is not a problem for editing workflows — you work in PNG and export to JPG for web delivery. For logos, icons, and simple graphics with flat colors, the size difference is smaller because PNG compression is efficient on images with large areas of uniform color. A simple logo that is 150 KB as JPG may only be 80 KB as PNG with transparency, because PNG compresses flat-color areas very effectively.
PNG compression levels — does it affect quality?
PNG has a compression level setting (0–9) that controls the trade-off between file size and encoding speed. Unlike JPG quality, PNG compression level never affects image quality — it only affects how hard the encoder works to find a smaller file representation. Higher compression = smaller file, slower encoding. Lower compression = slightly larger file, faster encoding. Convertify uses an optimal compression level that balances file size and processing speed. All output PNGs are pixel-perfect regardless of compression level.
JPG to PNG for social media and app stores
Many platforms require PNG for specific asset types. Apple App Store and Google Play Store require PNG for app icons. Figma, Sketch, and Adobe XD import PNG for lossless editing. Twitch and Discord require PNG for channel logos and emotes. Twitter and LinkedIn accept both, but PNG is preferred for graphics with text — JPG compression creates visible artifacts around text edges. If you are preparing marketing assets, UI screenshots, or brand materials, PNG is the safer choice to preserve sharp edges and text legibility.
Batch conversion — convert multiple JPG files to PNG
Convertify supports batch conversion of JPG files to PNG. Upload up to 10 JPG images simultaneously and download them all as PNG in a single operation. Batch conversion is useful when preparing a full set of product images for editing, converting a collection of screenshots for documentation, or preparing multiple assets for an app submission. All files are processed simultaneously and ready for download within seconds.
How Convertify converts JPG to PNG
Convertify uses a Rust backend with libvips for fast, accurate conversion. libvips processes images using a demand-driven streaming pipeline that avoids loading the entire file into memory — making it fast even for large JPG files. Color space conversion is handled automatically, EXIF metadata is preserved where applicable, and the output PNG is written at optimal compression. Files are processed server-side over an encrypted HTTPS connection and deleted immediately after download. No account required.