Gamma Adjuster

Adjust brightness and contrast with gamma correction.

Upload Image

Drag and drop an image here, or click to select

How to adjust gamma

Upload your image

Click to select an image or drag and drop it into the upload area.

Adjust gamma

Use the control to fine-tune gamma until the image looks balanced.

Apply and download

Apply the adjustment and download the processed image.

What our customers say about Gamma Adjuster

Perfect for fixing dim photos. The midtones look much better after a quick tweak.

Elena Morales

Clean UI and instant results. Helps a lot with product shots that are slightly off.

Daniel Kim

Exactly what I needed to correct exposure without messing up highlights.

Priya Shah

Fast and privacy-friendly. Runs in the browser and keeps image quality intact.

Marcus Nguyen

Great for preparing assets for presentations. Balanced results every time.

Sofia Rossi

Very handy for quick exposure fixes. Results look natural and consistent.

Hiro Tanaka

What makes this tool special?

Precise Gamma Control

Fine-tune gamma to correct midtones without crushing shadows or highlights.

Real-time Preview

See adjustments instantly before downloading your processed image.

Quality Preservation

Applies gamma correction while maintaining overall image quality.

Multiple Formats

Works with JPG, PNG, WebP and other common formats.

Privacy Protected

All processing happens locally in your browser — images never leave your device.

No Sign-up Required

Start adjusting immediately without creating an account.

Perfect for these situations

Exposure Correction

Brighten underexposed photos or tone down overly bright images.

Readability Enhancement

Improve readability for scans and screenshots by balancing midtones.

Design Prep

Prepare assets with proper luminance for UI/UX work and mockups.

Print Preparation

Adjust gamma for prints to match on-screen appearance more closely.

Social Media

Quickly improve photo brightness and clarity before sharing.

Photo Restoration

Recover details in old or low-light photos by refining midtones.

Frequently Asked Questions

What does gamma adjustment do?+
Gamma correction adjusts midtone brightness without significantly affecting shadows or highlights.
Will gamma correction reduce image quality?+
No. Our tool applies adjustments while preserving overall image fidelity.
Which formats are supported?+
You can upload JPG, PNG, WebP and most common image formats.
Is there a file size limit?+
For best performance we recommend images under 50MB, though larger files may still work depending on your device.
Are my images uploaded to a server?+
No. All processing happens locally in your browser and files never leave your device.

Adjust brightness and contrast with gamma correction.