Image Filters

Brightness & ContrastAPI

Fine-tune the exposure and tonal punch of your images. Easily correct dark, underexposed shots or amp up contrast to make your visuals pop.

Test in Dashboard View Docs ← All Tools

Three ways to use this tool

REST API

One POST request. Get the result back directly — as an image, video, or JSON depending on the tool.

terminal

curl -X POST https://apiai.me/api/workflow/brightness-contrast \
     -H "X-API-Key: YOUR_API_KEY" \
     -F "image=@input.jpg" \
     -F "brightness=1.0" \
     -F "contrast=1.0"
     --output result.png

Dashboard Playground

Test this tool visually before writing any code. Upload an image, set parameters, and see the result live. When it looks right, copy the auto-generated curl command and paste it into your app.

Open the dashboard → API Toolbox
Find Brightness & Contrast and click it
Upload your input and adjust parameters
Copy the curl command and ship

Open Dashboard →

Batch Processing

Process hundreds of images at once without writing a loop. Upload a CSV with one row per item, set your parameters, and download the results as a ZIP when they're done.

Open the dashboard → Batches
Select Brightness & Contrast
Add your content and start the batch
Download results ZIP when complete

Go to Batches →

Parameters

Name	Required	Description	Default / Options
`brightness`	optional	Type: number	`1.0`
`contrast`	optional	Type: number	`1.0`