Complete guide for all 13 Chrome Extensions by lern-digital.de
Type chrome://extensions in your address bar and press Enter.
Toggle the "Developer mode" switch in the top-right corner.
Click "Load unpacked" and select the extension folder (e.g., sidescribe).
Click the puzzle icon in Chrome's toolbar, then pin the extension for easy access.
Text assistant in Side Panel. Summarize, explain, reply, stats. Works with or without AI.
Text snippet manager. Slash commands, variables, templates for any web form.
Tab organizer. Save sessions, auto-park idle tabs, group by domain.
Website change tracker. Monitor specific elements, get notifications on changes.
Pomodoro timer + site blocker. Track time, build streaks, stay focused.
Auto-fill forms with test data. Smart field detection, multiple profiles.
Extract recipes from food blogs. Scale ingredients, save favorites.
Learn languages passively while browsing. 4 languages, quiz, pronunciation.
Compose emails from bullet points. Adjust tone, translate, reply.
Analyze code on any page. Explain, review, test, convert between languages.
Chat with any webpage. Ask questions about the content.
Smart clipboard with AI. Auto-categorize, transform, translate clips.
Capture & analyze screenshots with vision AI. OCR, UI analysis, annotations.
AI extensions support 4 providers. You only need one. Local Ollama is recommended for privacy.
| Provider | Free? | Local? | Vision? | Best For |
|---|---|---|---|---|
| Ollama | Yes (100% free) | Yes (your PC) | Yes (llava) | Privacy, no internet needed |
| OpenAI | No (pay per use) | No (cloud) | Yes (GPT-4o) | Best quality, fast |
| Anthropic | No (pay per use) | No (cloud) | Yes (Claude) | Excellent reasoning |
| Google Gemini | Free tier available | No (cloud) | Yes (1.5 Pro) | Good free option |
Visit ollama.com and download for your OS (Windows/Mac/Linux).
Open terminal and run: ollama pull llama3 for text, or ollama pull llava for vision (Screenshot AI).
Set environment variable: OLLAMA_ORIGINS=* then restart Ollama. This allows browser extensions to connect.
Open extension settings, select "Ollama", click "Test Connection". Your models should appear.
OLLAMA_ORIGINS, Value = *. Then restart Ollama.
| Task | Model | Command | Size |
|---|---|---|---|
| General text | Llama 3 | ollama pull llama3 | ~4.7 GB |
| Fast responses | Phi-3 | ollama pull phi3 | ~2.3 GB |
| Code analysis | CodeLlama | ollama pull codellama | ~3.8 GB |
| Vision/Screenshots | LLaVA | ollama pull llava | ~4.5 GB |
| Small & fast | Gemma 2B | ollama pull gemma:2b | ~1.4 GB |
1. Go to platform.openai.com/api-keys
2. Create a new API key (starts with sk-)
3. Paste it in extension settings under OpenAI > API Key
1. Go to console.anthropic.com
2. Create a new API key (starts with sk-ant-)
3. Paste it in extension settings under Anthropic > API Key
1. Go to aistudio.google.com
2. Create a new API key (starts with AIzaSy)
3. Paste it in extension settings under Gemini > API Key
Make sure Developer Mode is enabled. Check for errors in the extension card on chrome://extensions. If you see "manifest" errors, ensure you selected the correct folder (the one with manifest.json inside).
1. Is Ollama running? Check with ollama list in terminal.
2. Did you set OLLAMA_ORIGINS=*?
3. Is the URL correct? Default: http://127.0.0.1:11434
4. Try http://localhost:11434 instead.
Some extensions use the Side Panel (SideScribe, Mail Craft, CodePeek, Page Chat). Click the extension icon in the toolbar. If nothing happens, right-click the icon and check if "Open Side Panel" is available.
Extensions like Textbaustein and Sprach Buddy inject scripts into web pages. They won't work on chrome:// pages or the Chrome Web Store. Try on a regular website like google.com.
Double-check your key is correct and has credits. OpenAI requires a payment method. Anthropic requires a funded account. Gemini has a free tier but may require billing setup.
No! The first 8 extensions work completely offline without any AI. The AI extensions have built-in fallbacks (SideScribe, Clip Genius) or clearly show when AI is needed.
Yes. All data stays in your browser's local storage. Nothing is sent to external servers unless you explicitly configure a cloud AI provider. With Ollama, even AI processing stays on your computer.
Absolutely. Each extension is independent. You can install all 13 and they won't interfere with each other.
Yes! They work in Microsoft Edge, Brave, Opera, Vivaldi, and any Chromium-based browser that supports Manifest V3.
Replace the files in the extension folder, then go to chrome://extensions and click the refresh icon on the extension card.
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