Apa itu JPG (JPEG)?
JPG (JPEG) adalah format kompresi gambar lossy yang dikembangkan pada tahun 1992, banyak digunakan untuk foto dan gambar web karena keseimbangan kualitas yang sangat baik dan ukuran file yang kecil.
Terakhir diperbarui:
What is it?
JPG (juga ditulis sebagai JPEG - Joint Photographic Experts Group) adalah format kompresi gambar lossy yang dibuat pada tahun 1992. Ini adalah format gambar yang paling banyak digunakan di internet, di kamera digital, dan di smartphone di seluruh dunia.
Format ini bekerja dengan membuang data gambar yang paling tidak mungkin diperhatikan oleh mata manusia, mencapai pengurangan ukuran file yang dramatis. JPEG berkualitas tinggi dapat 10x lebih kecil daripada versi tidak terkompresi dari gambar yang sama dengan hampir tidak ada kehilangan kualitas yang terlihat.
Technical Specifications
Pros & Cons
Advantages
Dramatic compression with minimal visible quality loss - up to 10x smaller than uncompressed.
Supported by every browser, device, camera, and operating system in existence.
Quality setting 1–100 gives full control over the size vs quality trade-off.
Perfect for photographs and complex images with millions of colors and gradients.
Disadvantages
Each save re-compresses the image causing gradual quality degradation over time.
Does not support alpha channel - transparent areas are filled with white.
Blocky artifacts appear at low quality settings especially around sharp edges.
Not suitable for text, logos, or flat-color graphics - use PNG or SVG instead.
When to Use It
JPG adalah pilihan yang tepat untuk sebagian besar konten fotografi dan di mana pun ukuran file menjadi prioritas.
Photography
Digital cameras and smartphones save photos as JPG by default. Perfect for portraits, landscapes, and natural scenes.
Web Images
Smaller file sizes mean faster page loads. Use JPG for all photographic web content.
Social Media
Most social platforms re-compress uploads to JPG. Upload as JPG for predictable quality control.
Email & Sharing
Small JPG files are easy to share via email and messaging apps without hitting size limits.
Convert Your Files Online - Free
Our free online converter supports all major formats. No software to install, no registration required.
Start Converting NowFrequently Asked Questions
What is the difference between JPG and JPEG?
There is no difference - they are the same format. JPG became common because early Windows limited extensions to 3 characters.
Does saving a JPG multiple times reduce quality?
Yes. Each save re-applies lossy compression causing gradual degradation. Keep originals in PNG and export to JPG only as a final step.
What quality setting should I use for JPG?
For web use quality 70–80 is ideal. For print use 85–95. Quality above 95 rarely makes a visible difference but significantly increases file size.
Can JPG files have a transparent background?
No. JPG does not support transparency. Use PNG, WebP, or SVG instead. JPG fills transparent areas with white by default.
Is JPG or PNG better for web images?
For photographs JPG is smaller. For graphics and text PNG is better. For modern web use, WebP outperforms both.