Every creative below was generated from a one-line brief

Every brand. Every format. In under a minute.

Drop a URL. Type a brief. Get editable HTML — Instagram, LinkedIn, story, OG card, real estate listing, podcast cover, restaurant promo. Pick your output.

View on GitHub

MIT licensed · Self-hosted · Your AI keys · Zero telemetry

Built for solo makers, agencies, and indie SaaS

Drift & Co.NorthsignalLumenpathFolderyKindred StudioBrightlineHelioPinecone Lab

The workshop

Banners are code.
Treat them like it.

Bannerwright generates HTML — not PNGs in a black box. Every creative is inspectable, diff-able, version-controlled. AI handles the boring parts; you stay in control.

Editable HTML — no opaque designs
Brand-aware — pulls colors, fonts, voice from your client's site
Iterative — chat to refine, never regenerate from scratch
Yours — self-hosted, your AI keys, your data

editor — holiday-drop.html

1 <section>
2   <h2>Holiday drop.</h2>
3   <p>48 hours.</p>
4   <a>Shop →</a>
5 </section>

Holiday drop

Holiday drop is live.

Up to 40% off — 48 hours.

Shop →

Chat edit

make the CTA larger and use the brand accent

Updated CTA → +14% size, primary teal applied. v3.

Refining…

How it works

Two brands. Two banners.
The same five steps.

Example 1 of 2

Maple & Co. · Holiday Drop

From a brand URL to a printable PNG in under a minute.

1
URL
Drop a client website — we screenshot it, scrape the markup, and start a brand profile.
2
Brand
Colours, fonts, voice — extracted automatically from the live site and a few seed pages.
3
Brief
Type the prompt as you would to a designer. Format, CTA, voice, vibe.
4
HTML
Gemini drafts editable HTML — streamed live, version-controlled, never a black box.
5
PNG
Playwright renders the final PNG. Ready to download, post, or reopen for edits.

URL · maple · step 1/5

https://maple-and-co.com

→ Capturing live screenshot…
→ Parsing markup, fonts, images…
✓ Found 4 brand colours, 2 fonts

What it does

Six pieces. One workshop.

Every step from brief to export — brand extraction, generation, AI editing, versioning, templates, and on-demand imagery — owned end-to-end.

Knowledge base

Brand Knowledge Base

Drop a URL — we build the brand brief.

URL → live screenshot capture
Auto-extracted colors & fonts
Voice & tone analysis
Logo detection from favicons & headers

Generation

HTML Generation

Briefs become editable HTML in ~30 seconds.

Gemini 3.1 Pro with brand context
Pixel-perfect typography
Deterministic Playwright exports
PNG ready on a single click

AI editor

AI Chat Editor

Refine creatives by talking, not clicking.

Multi-turn conversational context
Full HTML rewrite per turn
Live preview alongside the chat
Diff per version, side by side

Versioning

Full Version History

Every edit is a snapshot. Roll back anything.

Manual & AI edits captured
Name and pin key versions
Side-by-side visual diff
Restore in one click

Templates

Reusable Templates

Promote any creative to a template.

Parent-generation lineage tracking
Brand-aware fills across formats
Batch export for variants
Re-run with new briefs

AI imagery

AI Imagery — Nano Banana

Need a custom background? The model generates one.

On-demand only — no waste
Embedded straight into HTML
Style-controlled prompts
Cached per generation

See it work

Same workshop. Any brand, any format.

The reel on the right cycles through real briefs — clothing drop, podcast cover, SaaS launch, trattoria menu, coffee shop opening, course cohort. Each one rendered from a two-line prompt and a brand profile.

·Switch between formats without rewriting the brief.
·Click any slot to inspect its brief and HTML.
·Re-run with a tweaked voice — "more confident", "calmer", "tighter copy."

brief.md · slot 1/6

Reading brief…1080×1080 · Instagram

Why it's different

Open by default. Yours by design.

Open source

MIT licensed. Read the code, fork it, contribute. No closed core, no enterprise tier gating the good parts.

View on GitHub

Self-hosted

One VPS. One .env. One user. Your data — briefs, brand assets, generated creatives — never leaves your box.

Deploy guide

Bring your own keys

Direct Gemini API. No markup on tokens, no shared quota, no lock-in. Swap providers if you ever want to.

Setup

Stories

From makers who ship every day.

Hover any card to pause the row.

“I used to spend an hour per creative. Now it's a coffee break.”

Marta K.

SoMe freelancer · 5 brand clients

“Brand-perfect work without onboarding a designer for every account.”

Adam P.

Boutique agency owner

“The HTML output means our dev team can drop creatives straight into emails.”

Tomek S.

Lifecycle marketer · e-commerce

“Self-hosted means our brand brief never leaves our infra.”

Jakub W.

Solo SaaS founder

“Two clicks from a prompt to a posted Instagram. I keep checking it actually shipped.”

Karolina B.

Community manager

“I used to spend an hour per creative. Now it's a coffee break.”

Marta K.

SoMe freelancer · 5 brand clients

“Brand-perfect work without onboarding a designer for every account.”

Adam P.

Boutique agency owner

“The HTML output means our dev team can drop creatives straight into emails.”

Tomek S.

Lifecycle marketer · e-commerce

“Self-hosted means our brand brief never leaves our infra.”

Jakub W.

Solo SaaS founder

“Two clicks from a prompt to a posted Instagram. I keep checking it actually shipped.”

Karolina B.

Community manager

“The chat editor finally feels like working with a junior designer, not a slot machine.”

Anna R.

Independent copywriter

“Brand extraction nails it. Drop a URL, twelve seconds later the brief is ready.”

Piotr M.

Creative director · 3-person studio

“Versioning saved a campaign. Restored a banner to v4 mid-launch, nobody noticed.”

Olga D.

Performance marketing lead

“I run the whole thing on a $5 VPS. Hard to overstate how good that feels.”

Bartek L.

Indie maker · 2 brand clients

“Templates plus brand profile means new clients onboard in an afternoon, not a week.”

Hania N.

Boutique agency · 8 retainers