Brandline

Effects · Color

Thermal effect and gradient map

The gradient replaces every tone in your photo with a color, from shadows to highlights. Use the Fluo palette for a thermal camera look, or your own colors for a poster-style gradient map.

Open in Brandline Free, no sign-up
Original photo: a mountain lake
Before
Gradient effect applied with Brandline
After

On other images

Gradient effect applied with Brandline, on a painting The original
On a painting
Gradient effect applied with Brandline, on architecture The original
On architecture

Painting: The Cleveland Museum of Art · Architecture: Vitalii Onyshchuk, via Unsplash

How to do it

  1. 1

    Upload your photo, or start from the sample image.

  2. 2

    Pick a palette or build your own gradient, then adjust contrast, sharpness and how much of the photo shows through.

  3. 3

    Export as PNG, JPG or WebP, at full size or in Instagram formats (1:1, 4:5, 9:16).

Ideas

FAQ

Can I create my own gradients?

Yes: add your colors in the gradient editor. Your palettes are saved in your browser for next time.

Is it free?

Yes. Brandline is free, with no sign-up and no watermark on your images.

Is my photo uploaded to a server?

No. Everything happens in your browser: your photo only leaves your device if you choose to publish it to the gallery.

What size can I export?

At full size, or at 2048 or 1080 px, as PNG, JPG or WebP. Instagram formats (1:1, 4:5, 9:16) are ready to use.

Does it work on mobile?

Yes, Brandline runs in your phone's browser, with no app to install.