Rainbow Filter Adder
Add beautiful rainbow gradient overlays to your images. Create stunning prismatic effects with customizable opacity, blend modes, and gradient directions—all processed locally in your browser for complete privacy.
Original
Rainbow Effect
💡 How to Use This Tool
Add stunning rainbow gradient overlays to your photos. Follow these simple steps:
Upload Your Image
Click the upload area or drag and drop an image file.
Choose Direction & Blend Mode
Select gradient direction and how colors blend with your image.
Adjust Opacity
Use the slider to control the intensity of the rainbow effect.
Download Result
Choose PNG or JPEG format and download your rainbow image.
📖 About Rainbow Filter Adder
What is a Rainbow Filter?
A rainbow filter adds a colorful gradient overlay to your images, creating prismatic, iridescent effects. This technique overlays the full spectrum of colors—red, orange, yellow, green, blue, indigo, and violet—onto your photos to produce eye-catching, artistic results.
Understanding Rainbow Overlays
- Gradient Direction: Choose horizontal, vertical, diagonal, or radial rainbow gradients
- Blend Modes: Control how colors interact with your image (overlay, soft light, multiply, screen, etc.)
- Opacity Control: Adjust the intensity from subtle color tints to bold rainbow effects
- Reversible: Original image is preserved until you download
Common Use Cases
- Social Media: Create eye-catching, trendy rainbow aesthetic posts
- Pride Content: Add rainbow colors for LGBTQ+ pride imagery
- Album Artwork: Design unique, colorful music and podcast covers
- Retro Effects: Create 70s-style rainbow prism photo effects
- Festival Photography: Enhance concert and event photos with psychedelic vibes
- Product Marketing: Add vibrant overlays for attention-grabbing ads
Key Features
Multiple Gradient Directions
Choose from horizontal, vertical, diagonal (both directions), and radial gradients to match your creative vision.
Blend Mode Options
Select from various blend modes including overlay, soft light, multiply, screen, and color for different effects.
Real-time Preview
See your rainbow effect instantly as you adjust settings, with side-by-side comparison to the original.
Full Opacity Control
Adjust from subtle rainbow tints (10%) to bold prismatic overlays (100%) for complete creative control.
Privacy & Security
Your images are processed entirely in your browser using HTML5 Canvas technology. No files are uploaded to any server—your photos remain completely private on your device.
❓ Frequently Asked Questions
Version History
Initial release
Jan 24, 2026