Free Stable Diffusion prompt generator

Generate prompts using SD-style comma syntax with precise terms for subjects, camera language, and visual style, plus a separate negative section to block unwanted details.

Stable Diffusion promptExample

Victorian greenhouse, ivy-covered glass dome, dawn purple sky, mist over tiled floor, hanging lanterns, cinematic realism, ultra detailed, 85mm lens, soft focus background, subtle bokeh::1.2, 4k texture, warm highlights::1.1 --neg: watermark, text, lowres, blurry, extra fingers, malformed hands, jpeg artifacts

3 free, no sign-up

This is the free version

Works where you write

PromptDC rewrites selected text in any app, every browser, your IDE and your terminal on Mac and Windows.

One keyboard shortcut

Select text, press Cmd+Shift+E or Ctrl+Shift+E, review the result, then Replace or Copy. It never presses Enter for you.

Your profiles, your models

Pick a default profile per app, or bring your own API key on the Lifetime plan.

Free here: 3 enhancements. In the app: from $9/mo, or Lifetime from $69 with your own API key.

Stable Diffusion and SDXL often benefit from compact tag-like structure where each visual concept is explicit and separable. This generator outputs clean comma-delimited prompt lines and optional weights so you can emphasize or de-emphasize details quickly. Pairing this with a dedicated negative prompt helps reduce noise like blur, watermarks, text artifacts, and unwanted textures.

Common questions

More tools

Looking for another tool?
See all free tools

Want this in every app?
Get the desktop app

Writing every day?
See writing

Write better with AI

Enhance any text you select in any app on desktop, in browsers, in your editor or terminals.

Download PromptDC