⚫ 图片转灰度

Convert images to grayscale, sepia, invert colors, and more. All processing happens in your browser.

✨ See what this tool can do
Before
Original
转为灰度、棕褐或反色
🎯制作黑白照片
🔒100% 隐私 —— 浏览器端运行
🎨
After — color effect
🖼️ Try with a sample image
Result

图片灰度与色彩:转为灰度、棕褐或反色

图片灰度与色彩让你转为灰度、棕褐或反色。全部在浏览器本地处理,无需上传、无需注册。

制作黑白照片

制作黑白照片。这是人们使用图片灰度与色彩最常见的理由之一——几秒内即可在浏览器中完成。

🎯

应用棕褐营造怀旧感

应用棕褐营造怀旧感。这是人们使用图片灰度与色彩最常见的理由之一——几秒内即可在浏览器中完成。

🔒

反色制作负片效果

反色制作负片效果。这是人们使用图片灰度与色彩最常见的理由之一——几秒内即可在浏览器中完成。

图片灰度与色彩所需的一切功能

让图片灰度与色彩快速、私密且免费的强大功能。

🎨

实时预览

每次调整下载前即时可见。

🎚️

精细控制

用精确滑块调节强度、颜色和位置。

🔄

无损编辑

原图绝不会被修改——下载的是新副本。

🔒

100% 隐私

全部编辑在浏览器本地完成。

🆓

永久免费

无需注册、无水印、无限制。

即时出图

编辑即时生效——无需渲染队列。

🔒
100% 隐私
文件不离开浏览器
浏览器端
无需安装、不上传
💯
永久免费
无需注册、无水印
🚀
无需注册
即刻开始,无需账号

How to Use

1

Upload

Select an image from your device or try with a sample.

2

Choose Effect

Pick grayscale, sepia, invert, or other effects.

3

Download

Click Apply to process, then Download to save.

Detailed User Guide

Step 1: Upload Your Image

Click the dropzone or drag and drop an image file (JPG, PNG, or WebP). The original image will be displayed and you can preview the effect immediately.

Step 2: Choose a Color Effect

Select from six built-in effects:

  • Grayscale — Convert to black & white. Great for documentary or minimalist looks.
  • Sepia — Warm brown vintage tone. Classic for portraits and landscapes.
  • Invert — Negative film effect. Reverses all colors.
  • Posterize — Reduces the number of colors for a poster / pop art look.
  • Blur — Softens the image. Useful for backgrounds or dreamy effects.
  • Sharpen — Enhances edges for a crisper look.
Tip: Grayscale is the most searched effect — perfect for creating B&W social media posts that stand out.

Step 3: Apply & Download

Click "Apply Effect" to process the image, then click "Download" to save the result as a PNG file.

Best Use Cases

  • Social media — B&W or vintage sepia posts get more engagement
  • Product photography — Grayscale makes product details pop
  • Art projects — Invert or posterize for creative effects
  • Backgrounds — Blur an image to use as a soft background

常见问题

PNG preserves the full grayscale range without compression artifacts. If you need a smaller file, use the Image Compressor tool after downloading.
Currently each effect applies at 100% strength. For adjustable intensity, use the Image Adjustment tool to fine-tune brightness and contrast before applying an effect.
Yes — transparency is preserved for all effects except Blur and Invert, which fill transparent areas with black. For best results, use on opaque images.
灰度、棕褐、颜色反转。
可以——支持部分效果。
可以——下载前随时重置为原图。源文件不受影响。
支持 JPG、PNG、WebP 等常见格式。