What our customers say about Contrast Booster
Instantly made my product photos look more professional. Love the simple slider.
Great results without crushing blacks. Exactly the boost I needed for social posts.
The preview makes it easy to dial in the right amount. Quality stays clean.
Super handy for scanned docs — text becomes much clearer.
Exactly what I needed for quick enhancements before sending to clients.
Nice balance of control and speed. Does the job right in the browser.
What makes this tool special?
Adjustable Contrast Levels
Fine-tune contrast for subtle to dramatic enhancements without losing detail.
Quality Preservation
Smart processing keeps highlights and shadows balanced while boosting midtones.
Real-time Preview
Quickly preview results before downloading your enhanced image.
Multiple Format Support
Works with JPG, PNG, WebP and other popular image formats.
Privacy Protected
All processing happens locally in your browser — images never leave your device.
No Registration Required
Start enhancing contrast instantly without creating an account.
Perfect for these situations
Improve Readability
Make text in screenshots and scans clearer and easier to read.
Enhance Photos
Give photos extra punch by increasing contrast without artifacts.
E-commerce Images
Make product images pop for better clarity and conversion.
Social Media
Create eye-catching visuals that stand out in feeds and stories.
Design Assets
Prepare graphics with improved contrast for presentations and UI mockups.
Print Preparation
Adjust contrast so prints match on-screen impact more closely.
Frequently Asked Questions
Will boosting contrast reduce image quality?+
Which formats are supported?+
Is there a file size limit?+
Are my images uploaded to a server?+
Can I adjust contrast precisely?+
Dramatically enhance image contrast for bold effects.