6 best bulk AI image generators for ChatGPT, Gemini & Grok

Need dozens or hundreds of images? These Chrome extensions queue your prompts, run generation on autopilot, and save finished files, so you can step away instead of babysitting every wait cycle.

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Updated September 2026

Full rankings

We ranked each extension on what matters for bulk runs: provider coverage, queue handling, auto-download, and the tradeoffs you will hit at scale. Chrome Web Store users and ratings captured September 2026.

AutoGem: AI Bulk Image Generator

Pros

Gemini, ChatGPT, and Grok in one install, so you can switch providers without a new extension.
Full prompt queue with aspect ratio and reference-image controls per batch.
Auto-downloads with organized, readable filenames.
Uses your existing browser sessions. No API setup.

Cons

Newer Chrome Web Store listing with 10 users and one rating so far, not a big review base yet.
Built for image batches, not video generation.

ChatGPT Image Auto

100,000 Chrome users 4.1/5 (147 ratings) 137 KB

View on Chrome Web Store

Turn chatgpt.com into a hands-off image batch line. Import or paste prompts, attach reference images per row, and let it run the queue one by one with auto-download and a built-in library of past outputs.

ChatGPT

Pros

Serial queue with live status, retries, and deduplicated downloads.
Per-prompt reference images and aspect-ratio controls.
Built-in output library linked back to chat history.
Runs locally with no external analytics claimed.

Cons

ChatGPT only. No Gemini or Grok.
Strict one-at-a-time runs can feel slow on very large batches.
Requires a ChatGPT account with image generation enabled.

Grok Automation - Auto Grok

100,000 Chrome users 4.1/5 (237 ratings) 801 KB

View on Chrome Web Store

Batch prompts on grok.com for images and videos from one side panel. Handles queueing, smart delays, auto-upscale, auto-download, and project folder organization so you can step away from long runs.

Grok

Pros

Images and videos from one Grok queue.
Smart delays, auto-upscale, and project-based downloads.
Multi-language UI with side-panel progress tracking.
Runs long prompt lists without manual babysitting.

Cons

Grok only, so you will need separate tools for Gemini or ChatGPT.
In-app purchases for advanced features.
Larger install size (about 801 KB).

Grok Automator - Auto Grok Bulk Image & Video Generator

793 Chrome users 1.0/5 (2 ratings) 327 KB

View on Chrome Web Store

Structure Grok image and video jobs in a controlled queue. Covers text-to-image, image-to-image, text-to-video, and image-to-video with prompt pairing, pause/resume, and sequential task control.

Grok

Pros

Image and video modes, including image-to-image and image-to-video.
Prompt pairing with reference images for consistent batches.
Reorder, pause, and resume in the task queue.
Good fit when you need structured Grok production pipelines.

Cons

Grok-only, with no Gemini or ChatGPT coverage.
Small public review sample on the Chrome Web Store (2 ratings).
Install size about 327 KB.

Gemini Automation - Auto Gemini

10,000 Chrome users 4.9/5 (69 ratings) 946 KB

View on Chrome Web Store

Batch-process prompts on gemini.google.com for text and images. Goes beyond simple queues with image-to-image chaining, ingredients workflows, retries, smart delays, and prompt-based file naming.

Gemini

Pros

Deep Gemini automation, not just a basic image queue.
Image-to-image chain mode and ingredients/reference workflows.
Auto-retry, random delays, and project folder downloads.
Prompt-based filenames on every completed output.

Cons

Gemini only. No ChatGPT or Grok.
More features than you need if you only want a simple image batch.
Install size about 946 KB.

TobyFlow - Auto Flow, Auto ChatGPT, Auto Grok

8,000 Chrome users 4.3/5 (11 ratings) 1.97 MB

View on Chrome Web Store

Automate image and video generation across Google Flow, ChatGPT, and Grok. Adds visual multi-provider workflows, reusable tasks, prompt templates, high-res auto-download, and optional Telegram remote control.

ChatGPT

Grok

Google Flow

Pros

Google Flow, ChatGPT, and Grok in one tool, but no Gemini.
Visual workflow builder for cross-platform pipelines.
Reusable tasks, templates, albums, and high-res auto-download.
Prompt enhancement and screen-capture reference tools.

Cons

No native Gemini support.
Feature-heavy UI with a steeper learning curve for simple batches.
Install size about 1.97 MB.

Quick comparison

Scan rank, install base, ratings, and which providers each extension covers, all in one table. Chrome Web Store users and ratings captured September 2026.

Rank	Extension	Users	Rating	Providers
#1	AutoGem (opens in a new tab)	10	5.0/5 (1)	Gemini ChatGPT Grok
#2	ChatGPT Image Auto (opens in a new tab)	100,000	4.1/5 (147)	ChatGPT
#3	Grok Automation (opens in a new tab)	100,000	4.1/5 (237)	Grok
#4	Grok Automator (opens in a new tab)	793	1.0/5 (2)	Grok
#5	Gemini Automation (opens in a new tab)	10,000	4.9/5 (69)	Gemini
#6	TobyFlow (opens in a new tab)	8,000	4.3/5 (11)	ChatGPT Grok Google Flow

FAQ

What is an AI bulk image generator extension?

A Chrome extension that queues many prompts, submits each one inside Gemini, ChatGPT, or Grok, waits for the image, and downloads finished files for you, so you are not clicking through every generation yourself.

Which bulk image generator works with the most AI providers?

AutoGem covers Gemini, ChatGPT, and Grok in one install, which is why it ranks #1 here for multi-provider bulk image runs.

Do these extensions need an API key?

No, in most cases. These tools drive the web UI you already use, so they rely on your signed-in Gemini, ChatGPT, or Grok session, not a separate API key or developer project.

Run your next batch on autopilot

Install AutoGem in Chrome, paste your prompt list, and let the queue finish across Gemini, ChatGPT, or Grok while you step away.

Download for Google Chrome