JPEG to PNG Converter

How to Convert JPEG to PNG Online

1. Upload Your JPEG File: Drag and drop or click "Add Files" to select your JPG, JPEG, or JFIF images. Photos, screenshots, scans, and exported assets all work. Batch is supported — drop in an entire folder.
2. Pick Quality Preset and Compression Level: Under Image Compression, choose a Quality Preset (Highest → Lowest, default "Very High"). PNG is always lossless, so this preset tunes the encoder effort. For finer control, set Compression level (1-10, default 6) for smaller files and Compression speed (1-10, default 4) to trade encoding time for size.
3. Reduce Colors or Resize (Optional): Under Colors, switch from Original to "By Color Reduction + Dither" and pick a palette (256, 128, 64, 32, 16, 8, 4, or 2 colors) to create indexed-color PNGs — drops file size dramatically for graphics, icons, and screenshots. Under Image Resolution, pick a preset (4320p down to 144p), scale by percentage, or set custom Width × Height.
4. Convert and Download: Click Convert. Files process on our servers and download individually or as a ZIP — no sign-up, no watermark.

Why Convert JPEG to PNG?

JPEG (often saved as.jpg or.jfif depending on the source application) is the everyday photo format — it uses lossy discrete cosine transform compression to keep files small. PNG, standardized by the W3C in October 1996 and built on the lossless DEFLATE algorithm, preserves every pixel exactly. Common reasons people convert JPEG → PNG:

• Freeze the image before editing — Every JPEG save re-encodes and discards a little more detail (generation loss). Converting to PNG locks in the current quality so further crops, color corrections, and exports don't compound the damage.
• Prepare for transparency work — JPEG has no alpha channel; PNG carries a full 8-bit alpha. Converting is step one before knocking out a background in Photoshop, GIMP, or Photopea to produce a transparent logo or product cutout.
• Sharper text, UI, and line art — JPEG's DCT blocks produce visible ringing and "mosquito noise" around hard edges. A JPEG screenshot of code, a chat thread, or a UI mockup looks fuzzy at zoom; the PNG remaster stays crisp.
• Design, print, and archival workflows — Adobe Illustrator, Figma, and most layout software prefer PNG inputs for assets that must scale or print without artifacts. PNG is also the safer long-term archival format for images you'll keep editing.
• AI, OCR, and computer-vision inputs — Many vision pipelines (Tesseract OCR, Stable Diffusion training pipelines, satellite-image classifiers) perform better on lossless inputs because JPEG artifacts can confuse edge detectors and tokenizers.
• JFIF compatibility — Windows 10/11 sometimes saves JPEG screenshots and downloads as.jfif, which some apps refuse to open. Converting to PNG sidesteps the extension issue entirely.

JPEG vs PNG — Format Comparison

When to Keep JPEG vs Convert to PNG

Compression Level and Palette Quick Guide

Frequently Asked Questions

Does converting JPEG to PNG improve image quality?

No. Conversion cannot recover detail that JPEG's lossy compression already discarded — blocking, ringing, and mosquito artifacts in the source JPEG are baked into the decoded pixels and carried over to the PNG. The benefit is that further edits and saves of the PNG will not degrade quality further, and you gain transparency support and a sharper substrate for editing.

Will the PNG be larger than the original JPEG?

Almost always, yes — typically 3-5× larger for photographic content. A 500 KB JPEG photo often becomes a 1.5-3 MB PNG. For screenshots, logos, line art, and other content with flat color regions, PNG can actually be smaller than JPEG, especially when you reduce the palette to 256 or fewer colors. Set Compression level to 8-10 to squeeze the PNG output further at the cost of encoding time.

What's the difference between JPG, JPEG, and JFIF?

They all describe the same image format. JPG and JPEG are interchangeable extensions — JPG was the 3-character version forced by the MS-DOS / FAT-16 file system limit, while JPEG is the full name used on Mac and Unix systems. JFIF (JPEG File Interchange Format) is the most common container wrapper for JPEG data; almost every "JPG" you encounter is technically a JFIF. xconvert accepts all three extensions on this page.

Does converting add a transparent background?

No. JPEG has no transparency to preserve, so the PNG output will have the same opaque background as the source. To get true transparency, open the converted PNG in an image editor (Photoshop, GIMP, Photopea, or any background-remover tool), erase the background, and re-save. The PNG container already carries the alpha channel — you just need to fill it.

How do I reduce my PNG file size after converting?

Three levers, in order of impact: (1) Switch Colors from Original to "By Color Reduction + Dither" and pick a palette of 256, 128, 64, or fewer colors — this is the biggest win for screenshots and graphics. (2) Raise Compression level to 8 or 10 for tighter DEFLATE encoding (lossless, no quality cost). (3) Resize down under Image Resolution if the original is larger than its display target. For a JPEG-sized result on photos, you may want PNG to JPG instead. For modern web delivery, JPEG to WebP gives lossless quality at ~25-30% smaller than PNG.

Will my EXIF metadata (camera, date, GPS) survive?

PNG supports EXIF via the eXIf chunk (defined in the PNG 1.2 / ISO 21320 specs), so the format itself can carry the metadata across. Whether a specific converter preserves it varies — many strip metadata by default for privacy. If you need EXIF retained, test on a sample file first; if you need it stripped for privacy before sharing, that's also commonly the desired outcome.

Can I batch convert hundreds of JPEGs at once?

Yes. Drop in entire photo folders, screenshot archives, or asset libraries. Each file converts in parallel withon our servers and downloads individually or as a single ZIP. Quality Preset, Compression level, Color reduction, and Resolution settings apply uniformly to the whole batch.

Why does Windows save my screenshots as.jfif instead of.jpg?

This is a known quirk introduced around Windows 10 1809 — a registry change set the default MIME mapping for image/jpeg to.jfif rather than.jpg. The file contents are identical JPEG data, just with a different extension that some apps don't recognize. Converting to PNG (or back to.jpg via JPG to PNG → PNG to JPG) is the cleanest fix.

Should I pick 8-bit or 16-bit per channel PNG?

8-bit per channel (24-bit RGB or 32-bit RGBA) is the right choice for almost everything — web, print, design assets. 16-bit per channel matters only for HDR photo editing, scientific imaging, and pipelines that need extended dynamic range for color grading. Most browsers and apps display 16-bit PNGs but downsample to 8-bit for output, so the file is larger without visible benefit unless you're actively editing the extra bit depth.