Convertidor de PNG a JPG en línia

Convertiu el vostre fitxer PNG al format JPG en 3 clics simples.

JPG⌄

Your file will be uploaded to DigitalOfficePro storage. By using this service, you agree to the DigitalOfficePro Terms of Use.

⚙ Configuració opcional

Resize

Color Filter

DPI

dpi

Crop (px)

PNG vs JPG: Guia completa de formats

PNG

Lossless

Compressió

JPG

Lossy

PNG

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

Transparència

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

Animació

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

Profunditat de color

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

Mida del fitxer

JPG

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

PNG

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

Suport del navegador

JPG

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

PNG

Graphics, logos, UI

Ideal per a

JPG

Photos, web images

Casos d'ús comuns: 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…

Punts forts

+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

Limitacions

−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…

Punts forts

+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

Limitacions

−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 a JPG: El que necessiteu saber

El PNG és excel·lent per a gràfics però produeix fitxers grans per a fotos. Convertir PNG a JPG proporciona fitxers molt més petits amb una excel·lent qualitat visual.

Per què convertir PNG a JPG?

⚡

Compartir fotos

El JPG és molt més petit que el PNG fotogràfic — perfecte per a correu, xarxes socials i web.

Compatibilitat universal

El JPG és suportat per totes les plataformes, dispositius i aplicacions.

💾

📷

Lliurament per correu

Les fotos JPG s'adjunten i s'obren sense problemes a tots els clients de correu.

Xarxes socials

Instagram, Facebook i Twitter comprimen el JPG de manera més eficient.

🖨️

PNG

Extensió del fitxer.png
DescripcióPNG (Portable Network Graphics) is a lossless raster image format that supports transparency. Ideal for graphics, logos, icons, and images that require a transparent background.
Programes associatsAdobe Photoshop, GIMP, Microsoft Paint, Preview (Mac)
Desenvolupat perPNG Development Group
Tipus MIMEimage/png

JPG

Extensió del fitxer.jpg
DescripcióJPEG (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.
Programes associatsAdobe Photoshop, GIMP, Windows Photo Viewer, Preview (Mac)
Desenvolupat perJoint Photographic Experts Group
Tipus MIMEimage/jpeg