A native prompt library for macOS

Keep the spell
behind every image.

Grimora remembers every prompt, run, output, pick, and riff—so your next great image starts with what you already learned.

Private beta · Built for macOS 26

Grimora
IDEASPrompts

An abandoned glass conservatory at midnight, overgrown with deep violet vines and filled with luminous golden moths. Cinematic, quiet, refined.

nocturnearchitecture ★★★★★
Derived from “Moonlit winter garden…” Family (3)⌄
Today, 14:32Seedream 5 Lite · 2K 16:9
3 images
Native macOSBring your own keyLocal-first libraryEvery run remembered
01 The missing layer

The final image is only half the work.

The other half is the trail of prompts, references, model choices, dead ends, and small refinements that got you there.

Provider playgrounds make images. Grimora makes your process reusable. It turns generations into a durable creative library you can search, judge, revisit, and evolve.

02 The workflow

From first draft
to proven incantation.

Three deliberate moves replace the usual pile of mystery files.

01

Cast

Prompt with context.

Write the idea, attach references, choose a Seedream model and size, then keep working while generations run in the background.

02

Cull

Make judgment fast.

Pick with P, reject with X, crown a cover, and rate the prompt. Your strongest material rises without deleting the evidence.

03

Riff

Evolve without erasing.

Successful prompts lock as faithful records. “Riff on this” creates an editable descendant, preserving the whole family of thought.

03 Creative memory

Find the idea.
See how it changed.
Keep going.

Search old prompt text, browse by tag, open every output from an idea, or jump through its family tree. Weeks later, the useful part is still there: why the image worked.

  • Searchable promptsFind a half-remembered phrase in seconds.
  • Picks and coversSee proven ideas before the noise.
  • Explicit lineageEvery intentional variation stays connected.
04 Made for the Mac

It behaves like it belongs here.

No browser-tab rituals. Grimora uses the Mac conventions already wired into your hands.

Your images move at Mac speed.

Quick Look with Space. Copy with ⌘C. Drag straight into Finder, Messages, or your design tool under a human-friendly filename.

Generate, then move on.

Runs continue in the background. Start another idea, browse your archive, or fire several explorations at once.

GeneratingSeedream 5 Lite · 2K48%

Thousands still feel light.

A native SwiftUI interface and a local SQLite library keep a large image history responsive and close at hand.

2,481images, indexed locally
05 Private by design

Your library lives on your Mac.

Grimora is a bring-your-own-key app. Your API key is kept in Keychain; prompts and exact provider-returned image bytes stay in app-container storage.

The private beta has no account, no subscription, and no telemetry.

01

BYOKYou pay the provider directly. Grimora never proxies your generation requests.

02

Keychain protectedYour BytePlus key is never stored as plain text.

03

Original bytesOutputs are kept exactly as the provider returned them—no silent recompression.

Generating withSeedream

One focused provider now.
A wider grimoire later.

The first release supports Seedream through BytePlus ModelArk, including reference images and production-ready size presets. Grimora’s provider boundary is built to welcome more BYOK models without rebuilding your library.

Grimora app icon

Your prompts deserve a memory

Make images.
Keep the magic.

Grimora is preparing for private beta on macOS 26.

Request beta access Bring your own BytePlus key · Your library stays local