Free closed betaVersion 0.1.1macOS & Windowsproprietary licenceRead what to expect
Prompt to PagePublic service prototyping
Changelog

What's new in Prompt to Page.

Notable changes to each release, newest first, plus the work in progress on main that hasn't shipped in a build yet. This project follows Keep a Changelog and Semantic Versioning. Downloads are on the releases page.

Unreleased

In progress on main

Work on main that has not yet shipped in a published build.

Added

  • Switchable design-system packs. The prototyper is no longer GOV.UK-only — a base design system can be selected per project, with retrieval, class validation, page furniture, prompts and export all following the active pack.
  • Early NHS.UK pack. Initial support for generating prototypes against the NHS design system (nhsuk-frontend). Quality is early and still being tuned.
  • Ministry of Justice overlay. An optional MOJ Frontend overlay layered on top of GOV.UK — early support, with a quality caveat in the design-system picker.
  • App-managed project library with a per-project saved design system, so prototypes and their chosen pack are preserved and reopened together.
  • Per-pack licensing and asset handling: dependency licensing audits, pack asset sync tooling and NOTICE coverage so each design system stays correctly attributed.

Changed

  • Retrieval, validation, prompt assembly, preview and export now read from the active pack rather than hard-coded GOV.UK data, without changing GOV.UK output.

Fixed

  • CI, build and test-hardening fixes across the pack and project-library work, including stricter pack/version consistency guards.

0.1.1

2026-06-26

Added a Windows build to reach macOS + Windows parity.

Added

  • Windows (x64) build shipped as an MSI installer alongside the macOS Apple Silicon DMG, with the bundled local-LLM backend, retrieval and validation at parity with macOS.
  • Honest model "warmth" (Cold / Warming / Warm) surfaced in the UI so a slow first token no longer looks like a hang.

Changed

  • Expanded the Windows model catalogue and applied each model's own chat template.
  • Model downloads on Windows fall back from BITS to a direct HTTP transport when BITS can't reach the download host.
  • Re-scored the model catalogue for more trustworthy quality guidance in the picker.

Fixed

  • Bundled the Visual C++ runtime so the local-LLM backend starts on a clean Windows install.
  • Enabled retrieval on Windows via an embedded corpus self-load, reported free disk space correctly on first run, reaped orphaned LLM sidecar processes and hardened model-switch and startup recovery.
  • Shipped a Windows installer packaging hotfix.

0.1.0

Initial release

Initial closed-beta release (macOS, Apple Silicon).

Added

  • Generate GOV.UK Design System prototypes from natural-language prompts using fully local LLMs — a bundled llama.cpp sidecar, an MLX sidecar on Apple Silicon, and optional external Ollama / LM Studio backends. Nothing leaves the machine.
  • Multi-page journeys with automatic reconciliation, so linked pages, back links and form-action exits stay consistent as pages are added, renamed or removed.
  • Section-scoped refinement with per-page version history, to iterate on part of a page without regenerating the whole thing.
  • Built-in accessibility checks (axe-core run inside the live preview, targeting WCAG 2.2 AA) and GOV.UK class validation with quality scoring.
  • Export and share: ZIP or clipboard export of the generated prototype, plus a LAN share server to open prototypes on other devices on the local network.
  • Guided first-run setup that recommends a model for the device and manages downloads.

Grab the latest build.

Downloads for macOS and Windows are on the releases page.

DownloadReleases on GitHub