An UltraSeps alternative that runs in the browser and starts free

What UltraSeps is, as its vendor describes it

UltraSeps is colour separation software sold by Extreme Sportswear as a one-time purchase. When we checked the vendor site on 28 July 2026 it was listed at $399, discounted from $599, with a site-wide licence covering all your machines at no extra cost, and version 3 requires no unlock code to install. It runs as a plug-in and automation set inside Adobe Photoshop — the vendor states Photoshop CS3 or higher, full Photoshop rather than Elements — on Windows or Mac, with an Apple Silicon build. The vendor advertises eight forms of colour separation including three separate simulated process modules, custom spot channels, and underbase and highlight white tools, plus a 15-day free trial that the vendor describes as the full previous version rather than a limited build. Prices and versions change; check the vendor site rather than trusting this page.

Where UltraSeps is likely the better choice

If you already own and use Photoshop daily, a tool that lives inside Photoshop is genuinely convenient — your separation happens where your retouching already happens, in channels you already understand. If you run high volumes of simulated process work, a mature package with years of press-tested routines behind it is worth real money, and buying once rather than subscribing suits a shop that hates recurring bills. And a one-time purchase you own forever has an obvious appeal that a monthly plan does not. None of that is something we are going to argue you out of.

Where this is genuinely different

Four differences that are structural rather than a feature list. It runs in a browser, so there is nothing to install and no Photoshop licence required underneath — which matters most on the older art station a lot of shops actually separate on. It starts genuinely free: spot and index separation, ink editing, per-plate preview, and PNG/ZIP/ORA export cost nothing and need no account. The free path is client-side, so your artwork makes no network call at all during separation — not a privacy promise, an architectural fact you can verify with the browser network tab. And the paid output includes a real layered PSD and a multichannel PSD with actual spot channels, alongside per-plate film.

The cost comparison, plainly

UltraSeps was $399 one-time when we checked, on top of whatever your Photoshop subscription costs. Here you pay nothing to separate spot and index artwork, and the print-ready render — halftones, choked underbase, highlight white, choke and spread, trapping, dot gain, registration marks, vector plates, CMYK and simulated process, multichannel PSD — is 10 credits per image with free re-renders. Credits come from a plan: 600 for $8.50 a month, 1,500 for $19 a month, or a $9 top-up for 500 credits that never expire. Ten credits is roughly 13 to 18 cents an image. Which model is cheaper depends entirely on your volume, and if you separate constantly the one-time purchase will win eventually.

What we do not have

We are new at this and they are not. We have no decades of accumulated press-tested presets, no Photoshop panel to work inside, and no built-in print driver — we output plates, film, PSD and SVG, and your existing RIP or workflow takes it from there. Our simulated process ships with per-channel curve and density override precisely because auto sim-process is unreliable in every tool that sells it, including ours; if you were hoping for a magic button, no honest vendor has one. What we will not do is watermark, downscale, or degrade output on any tier — the free tier caps quantity, never quality.

How to decide in ten minutes

Take a real job off your queue — not a clean vector logo, an actual customer file. Run it here for free and look at the plates: is every letter of the lettering on one screen, are the edges clean, is the ink count sane. Then download UltraSeps' trial and run the same file. You will learn more from that than from any comparison page, including this one. Both tools being free to try is the point.