Neon Photo Filter
Neon Photo Filter — instantly, in your browser, with nothing uploaded.
Drag & drop your image here, or click to choose. Everything runs in your browser — nothing is uploaded.
This filter pushes saturation and contrast, then screen-blends a blurred copy of the image over itself — which is what produces an actual glow around bright edges rather than just over-saturated colour. Works best on night shots, signs and portraits with strong lighting.
Frequently Asked Questions
How do I use the neon photo filter tool?
Drop your image onto the box above, adjust the controls, and the preview updates as you drag. When it looks right, choose PNG, JPG or WEBP and press Download. Nothing is uploaded at any point.
Are my files uploaded to a server?
No. The file is decoded and re-encoded directly in your browser using JavaScript and WebAssembly, and never leaves your device. That is what makes it safe for private photos, client work and anything confidential, and it is why the tool keeps working with your network disconnected once the page has loaded.
What kind of photos work best with a neon effect?
Images that already have bright highlights against a dark background — night streets, signs, stage lighting, screens. The glow is generated from the bright areas, so a flat, evenly lit daytime photo has little for the effect to work with.
Is there a limit or a watermark?
No limits, no watermark, no signup and no cost. Because the work happens on your own device there is no server bill to cover, so there is nothing to meter — the only real constraint is your device’s memory on very large files.
Does this work on Windows, Mac, iPhone and Android?
Yes. It runs in any modern browser on Windows, Mac, Linux, iPhone and Android with nothing to install and no account needed. Chrome, Edge, Firefox and Safari are all supported.