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Color Inverter & Film Negative Converter

Invert colors on any picture — a full negative, a brightness-only flip that keeps the hue, or film negative mode for scanned negatives.

4 Invert Modes
Adjustable Strength
Nothing Leaves This Tab
1
Upload Image
2
Invert
3
Download

Start With an Image

PNG, JPG, WebP, GIF or BMP. The result appears instantly, at full resolution.

Drag an image here or browse your files
Transparency is preserved on PNG

Your image is inverted on this device and never sent anywhere.

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How to invert colors on an image

Inverting is the simplest edit there is: every pixel is swapped for its opposite. This color inverter online is free, needs no account and leaves no watermark:

  1. Drop your picture in. PNG, JPG, WebP, GIF and BMP all work, and the result appears immediately.
  2. Pick a mode. Full invert for a true negative, or one of the three variants below.
  3. Compare and save. Drag the divider across the preview to check it against the original, then download.

The arithmetic is one line — new = 255 − old on each of the red, green and blue channels. A value of 30 becomes 225, 200 becomes 55, and 128 barely moves, which is why mid-greys look almost unchanged while highlights and shadows trade places.

The four modes, and when each one helps

Full invert is the classic negative. Every channel flips, so a blue sky goes orange and skin turns blue-grey. This is what most people mean by color inverted images or color inverted pictures, and it is what the color inverter tool does by default.

Color inverted photos of people look stranger than anything else, and there is a reason for it. Skin sits in the orange part of the colour wheel, and orange is high in red and low in blue — flip that and you get the cold blue-grey that reads as unnatural to us. Landscapes survive better: green foliage only travels as far as magenta, which the eye accepts as a stylised effect rather than a wrong face.

Brightness only flips how light each pixel is but leaves its hue alone. A blue line on white paper becomes a blue line on black paper rather than a yellow one. That makes it the right choice for turning a diagram, chart or screenshot into a dark-mode version people can still read — a full invert would recolour everything and make the legend meaningless.

Film negative is for photographs of scanned 35mm negatives. Colour negative film sits on an orange base, so a plain invert comes back heavily blue. This mode inverts each channel and then stretches it across its own range, which cancels the orange mask and brings skin tones back to something believable.

Grayscale negative drops the colour first and then inverts, which is what you want for X-ray-style looks, line art and anything destined for laser engraving or a cyanotype.

Strength, and partial inverts

Most tools only offer all-or-nothing. The strength slider here blends each pixel between its original colour and its opposite, so 100% is a true negative and 50% lands everything on mid-grey. Values between about 60% and 90% give faded, washed-out looks that are useful as backgrounds, and anything under 40% is closer to a tint than an inversion.

Inverting single channels

Turning off one of the R, G or B buttons inverts only the channels that stay on. Flipping red alone pushes the picture towards cyan, green alone towards magenta, blue alone towards yellow. It is a quick way to get a colour shift out of a color inverter image workflow without opening an editor.

Quality, transparency and file size

Inverting does not soften a picture. It is a fixed calculation per pixel with no resizing, blurring or averaging, so a PNG in gives a pixel-perfect PNG out. Only the colour channels are touched — the alpha channel is copied across untouched, so a color inverter PNG keeps its transparent background exactly as it was.

Save as JPG and two things change: transparency is flattened onto white, and the picture is re-compressed. PNG is the default here for that reason. If the resulting file is larger than you need, run it through the Image Compressor afterwards.

Nothing is uploaded

The whole conversion happens inside this tab on an HTML canvas. Your pictures are never sent to a server, so there is no queue, no upload limit and nothing to delete afterwards — and the tool carries on working if your connection drops. That is also why this color inverter is free with no sign-up: there is no server bill to cover.

Frequently Asked Questions

Drop your picture on the box and the color inverter flips it straight away. Every channel is replaced by its opposite — a red of 30 becomes 225, white becomes black, and mid-grey stays where it is. Drag the divider on the preview to compare the inverted picture against the original, then download it.
A full invert flips red, green and blue, so colours become their opposites and a blue sky turns orange. Brightness only inverts how light each pixel is while leaving its hue alone, so the sky stays blue but dark and light swap places. Use full invert for a true negative and brightness only when you want a dark-mode version of a diagram that still reads correctly.
Yes, that is what Film negative mode is for. Colour negatives are printed on an orange base, so a plain invert leaves everything looking blue. Film negative mode inverts each channel and then stretches it back across its own range, which cancels the orange mask and gives natural skin tones.
It does. At 100 percent you get a full negative; at 50 percent every pixel lands halfway between its original colour and its opposite, which flattens the picture towards mid-grey. Lower settings are useful for washed-out or faded looks rather than a true negative.
No. Inverting is a fixed calculation on each pixel, so nothing is blurred, resized or averaged. Save as PNG and the result is lossless. Saving as JPG re-compresses the picture, which is the only place quality is lost, so PNG is the default here.
Yes. Only the colour channels are touched — the alpha channel is left exactly as it was, so a transparent background stays transparent. If you pick JPG instead, transparency is flattened onto a white background, because JPG cannot store it.
No. The whole thing runs in your browser on a canvas. Your picture never leaves your device, there is nothing to delete afterwards, and the tool keeps working with the network switched off.