Upload an image to apply a gradient map
Accepted formats: JPG, PNG, WEBP, BMP, GIF (non-animated)
Paste (Ctrl/⌘+V) or drop an image — or import from a URL
A gradient map recolors a photo by its brightness: it reads each pixel's tone — from the deepest shadows to the brightest highlights — and replaces it with the matching color from a gradient you choose. Map shadows to teal and highlights to orange and you get the cinematic teal-and-orange grade seen in films; map the same photo onto an inferno ramp and it becomes a thermal heat map. Image Machine builds the gradient as a 256-step color table and applies it entirely in your browser, so the grade is instant and your image never leaves your device. Pick from curated presets — cinematic, sunset, thermal, ocean, copper, neon, viridis, and a neutral mono — flip the ramp with Reverse, and use Intensity to blend the grade back toward the original. Download the result with no sign-up and no watermark.
How It Works
Choose a tool
Pick from 120+ tools to resize, convert, compress, or enhance your image.
Upload & edit
Drag and drop your image and adjust the settings. It stays on your device.
Download
Save your result instantly — no watermark, no sign-up required.
Why Image Machine?
Your files never leave your device
All processing runs locally in your browser. Your images are never uploaded to a server.
Completely free
Every tool is free, with no limits, no watermarks, and no hidden costs.
Lightning fast
No upload waiting — your images are processed instantly on your own device.
Professional quality
Pixel-perfect output with full control over format, size, and quality.
Frequently Asked Questions
What is a gradient map?
A gradient map is a color-grading technique that maps an image's tones onto a gradient: the darkest pixels take the gradient's first color, the brightest take its last, and everything in between is interpolated. Because it's driven by brightness, it recolors a photo while preserving its original light and shadow — a fast way to apply a consistent, cinematic color palette.
How is a gradient map different from duotone?
Duotone maps your photo between exactly two colors — one for the shadows, one for the highlights. A gradient map generalizes that to any number of color stops, so you can build richer ramps like teal → green → orange for a film look, or a multi-color scale for a thermal effect. Use duotone for clean two-tone posters; use a gradient map for layered, cinematic grades.
How do I create a cinematic teal-and-orange look?
Upload your photo and choose the Cinematic preset — it maps shadows to deep teal and highlights to warm orange, the classic blockbuster grade. Lower the Intensity slider if you want the effect subtler so the original colors show through, or use Reverse to swap which tones get the warm and cool colors.
Is my image uploaded to a server?
No. The gradient map is applied in your browser with the HTML canvas, so your photo never leaves your device. It works offline once the page has loaded, with no sign-up, no watermark, and no quality loss from re-compression.