Verkko PNG–JPG-muunnin

Muunna PNG-tiedostosi JPG-muotoon 3 yksinkertaisella napsautuksella.

JPG⌄

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⚙ Valinnaiset asetukset

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DPI

dpi

Crop (px)

PNG vs JPG: Complete Format Guide

PNG

Lossless

Compression

JPG

Lossy

PNG

Full 8-bit alpha channel — each pixel can be any opacity level from fully transparent (0) to fully opaque (255)

Transparency

JPG

Not supported — transparent areas always render as solid white or the specified matte color

PNG

Not in standard PNG; APNG (Animated PNG) is a non-standard extension with limited, inconsistent support

Animation

JPG

Not supported

PNG

24-bit RGB (16.7M colors) or 32-bit RGBA (16.7M colors + full alpha); up to 48-bit for professional workflows

Color Depth

JPG

24-bit (8 bits per channel: RGB) — up to 16.7 million colors

PNG

100 KB – 10 MB — significantly larger than JPG for photographic content

File Size

JPG

50 KB – 5 MB per image depending on resolution and quality setting

PNG

Universal — all modern browsers, operating systems, and devices including IE7+

Browser Support

JPG

Universal — all browsers, all operating systems, all devices including IE6 and older smartphones

PNG

Graphics, logos, UI

Best For

JPG

Photos, web images

Common Use Cases: PNG → JPG

📸 Web photography publishing📧 Email photo attachments📱 Social media image posts🖨️ Online photo printing🛒 Product photography catalogs📰 Blog and editorial images

⚠️Transparent areas in the source PNG will become solid white in the converted JPG output. Only convert PNG images without transparency. For transparent graphics intended for web use, WebP is a far better target format.

Format

PNG

PNG was created in 1996 as a free, patent-unencumbered alternative to GIF after Unisys enforced its LZW compression patent. The PNG Development Group introduced full-color support, genuine alpha trans…

Strengths

+Lossless — every pixel preserved with zero compression artifacts

+Full 8-bit alpha channel for smooth, semi-transparent edges

+Ideal for text, logos, and graphics where sharpness is non-negotiable

+Unlimited re-saves without any quality degradation whatsoever

Limitations

−3–5× larger than JPG for photographic content

−No native animation support in standard PNG

−Slower to load than WebP for equivalent image content

−Not practical for very high-resolution photographs at web scale

Logos, icons, and brand marks placed over any background colorScreenshots where text must remain perfectly sharpImages edited in multiple passes (keep as the master file)Web UI elements, buttons, icons, and interface assets

Format

JPG

Standardized in 1992 by the Joint Photographic Experts Group, JPEG became the internet's dominant image format through the 1990s. Its DCT compression made digital photography practical for early web a…

Strengths

+Smallest file sizes for photographs (10:1 to 20:1 compression ratio)

+Universal compatibility across every device, software, and platform

+Embeds EXIF metadata (GPS, camera settings, date/time)

+Adjustable quality/size trade-off at save time

Limitations

−Lossy — permanently discards image data with every save

−No transparency — backgrounds are always solid

−Visible block artifacts on sharp edges, text, and high-contrast areas

−Quality degrades with each re-save (generational quality loss)

Sharing photographs on social media, email, or blogsCamera images where file size matters more than pixel perfectionWeb page photos where page load speed is the priorityAny context requiring maximum cross-device and software compatibility

PNG to JPG: What You Need to Know

PNG on erinomainen grafiikalle, mutta tuottaa suuria tiedostoja valokuville. PNG:n muuntaminen JPG:ksi tarjoaa paljon pienempiä tiedostoja erinomaisella visuaalisella laadulla.

Why Convert PNG to JPG?

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Valokuvien jakaminen

JPG on paljon pienempi kuin valokuvamainen PNG — täydellinen sähköpostiin, sosiaaliseen mediaan ja verkkoon.

Universaali yhteensopivuus

JPG:tä tuetaan jokaisella alustalla, laitteella ja sovelluksella.

💾

📷

Sähköpostin toimitus

JPG-valokuvat liitetään ja avataan ongelmitta missä tahansa sähköpostiohjelmassa.

Sosiaalinen media

Instagram, Facebook ja Twitter pakkaavat JPG:n tehokkaammin.

🖨️

PNG

File extension.png
DescriptionPNG (Portable Network Graphics) is a lossless raster image format that supports transparency. Ideal for graphics, logos, icons, and images that require a transparent background.
Associated programsAdobe Photoshop, GIMP, Microsoft Paint, Preview (Mac)
Developed byPNG Development Group
MIME typeimage/png

JPG

File extension.jpg
DescriptionJPEG (Joint Photographic Experts Group) is the most widely used lossy image compression format, ideal for photographs and complex images with many colors. JPEG achieves small file sizes by discarding some image data, making it perfect for web use and sharing.
Associated programsAdobe Photoshop, GIMP, Windows Photo Viewer, Preview (Mac)
Developed byJoint Photographic Experts Group
MIME typeimage/jpeg