NuModeX Ext Maker generates Manifest V3 browser extensions and static websites from text or image prompts. Import from ZIP lets you load existing extensions for AI editing. Includes diff viewer, undo, Edit File, Improve Extension, and live sandboxed preview. Cloud AI, on-device AI, or your own local server. No account required. Chrome, Edge, Firefox, Whale, Opera, Safari.
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Hey Product Hunt!
NuModeX Ext Maker is an AI builder for Manifest V3 browser extensions and static websites. Available on Firefox Add-ons, Edge Add-ons, and the Whale Store.
The feature I focused on most before launch: Import from ZIP
Load an existing browser extension or website from a ZIP file directly into the tool and edit it with AI. No manual importing, no rebuilding from scratch. A lot of people have extensions they already built and want to maintain or extend - this makes that possible.
The full toolkit:
Import from ZIP - load existing extensions or websites for AI editing
Edit File - AI rewrites one file, nothing else changes
Improve Extension - multi-file changes from a single prompt
Add File - new files via plain language
View Changes - diff viewer before accepting any AI edit
Undo - reverse the last AI edit in one click
Import Files - bring individual files in for AI editing
Live sandboxed preview
One-click ZIP download
Multi-project support with auto-naming and auto-save
Image prompt support alongside text
The AI setup:
Cloud AI models via your own API key, on-device AI models where your browser supports them with no API key required, or a custom model on a local or remote server. On-device models handle chat and editing; initial builds need a cloud or custom model.
Runs in your browser by default. No account. No backend.
Licensing:
BSL 1.1 - source available on GitHub. Free for personal and internal business use. The one restriction: redistributing NuModeX Ext Maker itself to browser stores requires written permission from SoraVantia GK. Extensions you build are entirely yours.
Supports Chrome, Edge, Firefox, Whale, Opera, and Safari. 9 language UI.
Built by SoraVantia GK, Japan.
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Maker
Quick update, v2.4.0 is out.
Added seven models: Gemini 3.6 Flash and 3.5 Flash Lite, GPT-5.6 Sol, Terra and Luna, and Claude Opus 5 and Sonnet 5.
Dropped four that no longer work. Two OpenAI models that aren't served on the chat endpoint, and the Gemini 2.5 pair that Google will retire for new users.
Also fixed OpenAI requests for the GPT-5 family, and a bug where the model shown in the selector could differ from the one actually used.
26 models, all verified working. Still no backend, no telemetry, bring your own key.
Quick update, v2.4.0 is out.
Added seven models: Gemini 3.6 Flash and 3.5 Flash Lite, GPT-5.6 Sol, Terra and Luna, and Claude Opus 5 and Sonnet 5.
Dropped four that no longer work. Two OpenAI models that aren't served on the chat endpoint, and the Gemini 2.5 pair that Google will retire for new users.
Also fixed OpenAI requests for the GPT-5 family, and a bug where the model shown in the selector could differ from the one actually used.
26 models, all verified working. Still no backend, no telemetry, bring your own key.