อัพเดท มี.ค. 2026

Black & White Image

Convert any colour photo to black and white online for free — with an adjustable intensity slider for a subtle desaturation or a full grayscale, all in your browser.

Drop or click to upload PNG, JPG, WebP หรือ BMP

ขนาดไฟล์สูงสุด 10MB. ลงทะเบียน สำหรับข้อมูลเพิ่มเติม

How To Convert An Image To Black And White Online For Free

Upload Your Image

Drag and drop an image or click to browse. Supports PNG, JPG, WebP, and BMP.

Adjust Intensity

Drag the Intensity slider — 100% for full black and white, or lower to keep some colour.

ดาวน์โหลด

Choose PNG, JPG, or WebP and download the result at full resolution.

100% Free

No fees, no watermark, no sign-up required.

Private

Runs in your browser — images never leave your device.

Full Resolution

Exports keep your image’s original dimensions.

Any Device

Works on desktop, tablet, and mobile browsers.

คำถามที่พบบ่อย

จะทำให้ภาพเป็นขาวดำได้อย่างไร?

Upload your image and drag the Intensity slider — 100% is full black and white, while lower values keep some colour for a faded, muted look. Click Download to save.

What is the difference between black and white and grayscale?

In everyday use they mean the same thing: a grayscale image maps every colour to a shade of grey between black and white. True 1-bit 'black and white' (only pure black or pure white) is different, but this tool produces the grayscale look most people want.