Graphic Joiner

Product Design & Creative

Graphic Joiner

Create, edit and combine images from simple browser forms. Graphic Joiner brings Google Gemini image generation into an editable n8n workflow, with reference-image uploads, resolution controls and downloadable results.

marcinplazienski Sold by @marcinplazienski
Founding seller Added 2026-10-13
👁 5 Works with Design & Creative Self-hosted stack

Includes 1 item · 14-day refund if it doesn't work as described

Price $11.00 one-time · then $25.52/mo in services you run yourself
Update policy: Updates included
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Design & Creative n8n image generation image editing image compositing Gemini
Works with n8n Gemini

Production readiness

Starter

0 of 5 production pillars met

  • Compatibility tested
  • Evaluated
  • Security screened
  • Tools & integrations
  • Memory & state
  • Per-run observability coming soon
Self-hosted automation stack

What you run, and what it costs you

n8n hosts three authenticated forms, validates text and image inputs, calls Google Gemini API and returns a generated image through a Form Ending download screen. Gemini 3 Pro Image performs generation, editing and reference-image combination.

Self-hosted Runtime: n8n needs 2 services · ~$25.52/mo
01

Services you bring

Accounts you sign up for, billed by them — not by Sigrix.
n8n Hosts forms, validates inputs and coordinates the workflow. Existing instance assumed; hosting or a Cloud subscription costs extra. Sign up ↗
Google Gemini API Generates, edits and combines images with gemini-3-pro-image. Paid usage; example $25.52/month for 100 4K Combine jobs under the stated assumptions. Sign up ↗
02

Credentials you provide

BYO — never embedded

No secrets ship inside the download. The package arrives with empty credential slots. You paste your own keys into your own n8n; nothing you enter is transmitted to Sigrix or to the seller.

  • Google Gemini API key for Google Gemini API Authorizes image generation; stored in n8n Header Auth with the x-goog-api-key header. You supply
  • HTTP Basic Auth credential for n8n Protects the three form URLs with a buyer-defined username and password. You supply
03

How it connects

1 connection across 9 stages
01 Trigger
Create Form Formtrigger Edit Form Formtrigger Combine Form Formtrigger
02 Run
Prepare Create Request Code Prepare Edit Request Code Prepare Combine Request Code
03 Branch
Branches on: Create Input Valid?
if yes Google Gemini API - Create External HTTP API if no Create Result Message Form
04 Branch 2
Branches on: Edit Input Valid?
if yes Google Gemini API - Edit External HTTP API if no Edit Result Message Form
05 Branch 3
Branches on: Combine Input Valid?
if yes Google Gemini API - Combine External HTTP API if no Combine Result Message Form
06 Run 2
Decode Create Image Code Decode Edit Image Code Decode Combine Image Code
07 Branch 4
Branches on: Create Image Ready?
if yes Download Create Image Form if no Create Result Message Form
08 Branch 5
Branches on: Edit Image Ready?
if yes Download Edit Image Form if no Edit Result Message Form
09 Branch 6
Branches on: Combine Image Ready?
if yes Download Combine Image Form if no Combine Result Message Form
See it as a connection list
  1. 01n8n → Google Gemini API (Authenticated HTTPS generateContent request with a prompt and zero, one or two inline images. The image returns in the same API response. Form Trigger, Code, IF and Form Ending are internal n8n nodes, not external services.)
04

Recurring cost

Charged monthly by the services above
Estimated running cost $25.52/mo You pay this to the services above, every month, for as long as the automation runs — it is not part of the listing price.
Breakdown
  • Gemini 4K image output (100 outputs at $0.24 each) $24/mo
  • Gemini reference-image input (200 images x 560 tokens x $2 per million; rounded) $0.22/mo
  • Gemini text input (50,000 tokens x $2 per million) $0.10/mo
  • Gemini text/thinking output (100,000 tokens x $12 per million; unmeasured allowance) $1.20/mo
  • n8n existing instance (Hosting or Cloud subscription excluded) $0/mo
Assumes
  • 100 successful Combine jobs per month
  • One 4K image output per job
  • Two input images per job
  • 500 input text tokens per job for planning
  • 1000 output text/thinking tokens per job for planning
  • Google Gemini 3 Pro Image standard synchronous API pricing
  • No retries, failed billable attempts or extra generations included
  • No Google Search grounding configured
  • Existing n8n instance; hosting and Cloud subscriptions excluded
  • Taxes and currency conversion excluded
  • Prices reviewed on 13 October 2026; actual usage and rates may change
Running cost About this listing
What you get

Everything in the package

Includes 1 item
  • Complete solution bundle for Design & Creative
Overview

What this does

Turn an idea and a pair of reference images into a new visual concept. Graphic Joiner gives you three focused browser forms: create an image from a prompt, edit an existing image or combine two references into a new composition. Explore product scenes, campaign concepts, background changes and social content without rebuilding the automation each time. The editable n8n workflow connects to Google Gemini API using your own account. Upload PNG, JPEG or WebP references, choose an aspect ratio and request 1K, 2K or 4K output. Validated inputs go to the model, and successful responses return as downloadable image files. The package includes English setup instructions, practical prompts, editable source and offline tests. Form authentication, input checks and clear failure messages are included. No automatic paid retries are configured. This is a configurable automation template. Gemini usage, n8n hosting and account subscriptions are separate. Generative editing may change fine details and is not pixel-exact joining. Complete the live acceptance checklist on your n8n instance before operational use.

About this listing

Frequently asked questions

Answered by the seller, about this listing specifically.

  • What does Graphic Joiner do?

    Turn an idea and a pair of reference images into a new visual concept. Graphic Joiner gives you three focused browser forms: create an image from a prompt, edit an existing image or combine two references into a new composition. Explore product scenes, campaign concepts, background changes and social content without rebuilding the automation each time. The editable n8n workflow connects to Google Gemini API using your own account. Upload PNG, JPEG or WebP references, choose an aspect ratio and request 1K, 2K or 4K output. Validated inputs go to the model, and successful responses return as downloadable image files. The package includes English setup instructions, practical prompts, editable source and offline tests. Form authentication, input checks and clear failure messages are included. No automatic paid retries are configured. This is a configurable automation template. Gemini usage, n8n hosting and account subscriptions are separate. Generative editing may change fine details and is not pixel-exact joining. Complete the live acceptance checklist on your n8n instance before operational use.

  • Who is Graphic Joiner best for?

    Graphic Joiner is built for design & creative use cases and is particularly useful for n8n, image generation, image editing, image compositing, and Gemini.

  • How much does Graphic Joiner cost?

    Graphic Joiner is priced at $11.00 on Sigrix.

  • Can I customize Graphic Joiner after I get it?

    Yes — once you own Graphic Joiner on Sigrix the deliverables are yours to adapt to your own data and workflow rather than starting from scratch.

Buying on Sigrix The same for every listing, so you only have to read it once.
How do I use this product?
Open the Instructions tab and follow the setup guide with your own accounts. Everything runs on your infrastructure — Sigrix never executes it for you.
What do I get after purchase?
Immediate access to every file in the package, the full setup guide, and free updates to this listing for as long as you own it.
Where can I find support references?
Support comes from the seller; their profile lists how to reach them. Your certificate and product identifiers are in the Ownership tab, and Sigrix mediates refund requests within 14 days.
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