クイックスタート
This guide covers every Sider feature:
- はじめる — Install, sign up, and set up Sider Chat
- How to Use Wisebase — Save and organize information from webpages, files, and chats in one place
- How to Use ChatPDF — Chat with PDFs and pull out facts, names, and numbers in seconds
- How to Use Deep Research — Run multi-source research and get a report you can verify
- AIスライドの使い方 — Build a slide deck from a topic, document, or webpage
- How to Use Web Creator — Create a simple website by describing it in plain words
- AIエッセイライターの使い方 — Plan, draft, and revise essays faster
- How to Use AI Video Shortener — Turn long YouTube videos into short clips
- AI画像ジェネレーターの使い方 — Create images from a short text prompt
- AI翻訳ツールの使い方 — Translate text, webpages, and files in 50+ languages
所要時間： 各作品につき5分
このガイドには以下の内容も含まれています。 プロのヒント | よくある間違い | トラブルシューティング | 価格 | 代替案
このガイドを信頼する理由
FahimAI reviews AIツール and rates Sider 4 out of 5.
This tutorial sticks to what Sider actually does, not marketing copy.
Where menus may change, we tell you.
Sider is an AI sidebar that lives inside your browser.
It puts GPT, クロード, and Gemini next to every webpage you open.
Over 10 million active users rely on it.
But most people only use it for basic chat.
This guide shows how to use Sider for research, PDFs, slides, videos, and more.
スクリーンショットとプロのアドバイスを交えながら、手順を一つずつ解説します。
Sider Tutorial
This how to use Sider tutorial walks you through setup first, then each tool one at a time.
サイダー
Get GPT, Claude, and Gemini in one sidebar on every webpage. Summarize PDFs, translate pages, and run research without switching tabs. Start free, with paid plans from $4.2.
Getting Started with Sider
いずれかの機能を使用する前に、この初回設定を完了してください。
約3分かかります。
Here’s a look at Sider in real use:
それでは、各ステップを順を追って見ていきましょう。
Step 1: Install Sider and Sign Up
Install Sider from the Chrome Web Store, then click “Add to Chrome.”
Sider supports both Chrome and Edge browsers.
Sign up with Google, Apple, or your email address.
✓ チェックポイント: Complete the email verification if Sider asks you to verify.
Step 2: Pin Sider to Your Browser
Click the puzzle icon in your browser toolbar.
Pin the Sider extension for easy access.
Prefer an app on your computer? Sider offers desktop apps for macOS and Windows.
Here’s what you get once Sider is open:
✓ チェックポイント: The Sider icon now sits in your toolbar.
Step 3: Set Up Sider Chat
Open the sidebar and choose your default AI model.
Sider Chat lets you switch between GPT, Claude, and Gemini anytime.
If menus look different, follow Sider’s updated June 9, 2026 setup guide.
✅ 完了: これで、以下のすべての機能をご利用いただけます。
How to Use Sider Wisebase
Wisebase lets you save and organize information from webpages, PDFs, and chats.
Think of it as a private library that Sider can read for you.
以下に、その使用方法をステップごとに説明します。
Step 1: Open Wisebase
Click the Wisebase icon in the Sider sidebar.
Create a new group for each project or topic.
Step 2: Add Your Material
Click “Add” and drop in files, a URL, or your own notes.
You can also save the current webpage straight from the sidebar.
これがその様子です。
✓ チェックポイント: Your saved item appears inside the group you created.
Step 3: Ask Questions About It
Open a chat inside the group and ask about anything stored there.
Sider will extract and organize information into short summaries.
✅ 結果: You now have a searchable library you can discuss with AI anytime.
💡 プロのヒント: Give every saved item clear names and mark the key ones. Search finds them faster later.
How to Use Sider ChatPDF
チャットPDF lets you chat with PDFs instead of reading every page.
以下に、その使用方法をステップごとに説明します。
ステップ1：PDFファイルをアップロードする
Open ChatPDF from the sidebar or the Sider web app.
Drag your file in, or paste a PDF URL.
Step 2: Ask Your Questions
Ask for a summary, key facts, names, or numbers.
Follow up with “why” or “where does it say that?”
これがその様子です。
✓ チェックポイント: Answers point back to the page they came from.
Step 3: Simplify or Translate
Ask Sider to explain a dense section in plain words.
You can also translate the whole PDF into another language.
✅ 結果: You pulled the key facts from a long PDF in minutes.
💡 プロのヒント: For research papers, ask “What evidence supports this claim?” It exposes weak arguments fast.
How to Use Sider Deep Researcher
徹底的な調査 lets you run multi-step research across many sources at once.
以下に、その使用方法をステップごとに説明します。
ステップ1：質問を入力してください
Open Deep Research and type one clear, specific 質問.
Add context like the time period, region, or audience.
Step 2: Review the Research Plan
Sider drafts a plan before it starts searching.
Edit the plan to add or remove angles.
これがその様子です。
✓ チェックポイント: You see a list of research steps Sider will follow.
ステップ3：レポートを読む
Sider returns a structured report with linked sources.
Open each source to verify the claims that matter most.
✅ 結果: You have a sourced report you can use to make a decision.
💡 プロのヒント: Ask Sider to flag uncertainty in its findings. You’ll know which facts need a second look.
How to Use Sider AI Slides
AIスライド 構築できます プレゼンテーション from a topic, a document, or a webpage.
以下に、その使用方法をステップごとに説明します。
ステップ1：情報源を選択する
Type a topic, or upload a file as source material.
Tell Sider who the audience is.
Step 2: Pick a Theme and Length
Choose a theme and the number of slides.
Review the outline before generating the deck.
これがその様子です。
✓ チェックポイント: Sider shows an outline you can change before it builds the slides.
ステップ3：編集とエクスポート
Click any slide to edit text or swap images.
Download the deck once it looks right.
✅ 結果: You have a ready-to-edit slide deck in a few minutes.
💡 プロのヒント: Upload your own notes instead of a bare topic. The slides will follow your content, not generic filler.
How to Use Sider Web Creator
Web Creator lets you create a simple website by describing what you want.
以下に、その使用方法をステップごとに説明します。
Step 1: Describe Your Site
Type something like “a one-page bakery website with a menu.”
Mention colors, sections, and any contact form.
Step 2: Preview the Page
Sider writes the code and shows a live preview.
Scroll through to check each section.
これがその様子です。
✓ チェックポイント: A live preview of your page loads next to the chat.
Step 3: Refine With Chat
Ask for changes like “make the header dark blue.”
Each revision updates the preview right away.
✅ 結果: You built a working webpage without writing code yourself.
💡 プロのヒント: Ask for one change per message. Making small requests gives cleaner results than long lists.
How to Use Sider AI Essay Writer
AIエッセイライター lets you plan, draft, and revise essays in one place.
以下に、その使用方法をステップごとに説明します。
Step 1: Set the Topic
Enter your topic, essay type, and target length.
Paste in any source material you want it to use.
Step 2: Build the Outline
Sider drafts an outline before writing anything.
Reorder or cut sections until the plan makes sense.
これがその様子です。
✓ チェックポイント: An outline with clear section headings appears on screen.
Step 3: Write and Revise
Generate the full draft from your outline.
Ask for a revision on any weak paragraph.
✅ 結果: You have a full draft ready to edit in your own 声.
💡 プロのヒント: Add your sources first. It keeps the essay tied to real evidence instead of guesses.
How to Use Sider AI Video Shortener
AIビデオ Shortener lets you turn long YouTube videos into short clips.
以下に、その使用方法をステップごとに説明します。
Step 1: Paste the Video URL
Copy a ユーチューブ link and paste it into the shortener.
Sider scans the video for its strongest moments.
Step 2: Choose Clip Settings
Pick the clip length and aspect ratio.
Vertical works best for Shorts, Reels, and ティックトック.
これがその様子です。
✓ チェックポイント: Sider lists several suggested clips with timestamps.
ステップ3：確認とダウンロード
Watch each suggested clip and drop the weak ones.
Download the clips you want to keep.
✅ 結果: You turned one long video into ready-to-post short videos.
💡 プロのヒント: Ask the sidebar to summarize the video first. You’ll know which parts hold the most value.
How to Use Sider AI Image Generator
AI画像 ジェネレータ lets you create images from a short text prompt.
以下に、その使用方法をステップごとに説明します。
ステップ1：プロンプトを作成する
Describe the subject, style, and lighting you want.
Be specific about colors and mood.
Step 2: Pick a Model and Size
Choose an image model and an aspect ratio.
「生成」をクリックして、数秒お待ちください。
これがその様子です。
✓ チェックポイント: A set of image options appears below your prompt.
Step 3: Refine the Result
Ask for one change, like “warmer light.”
Regenerate until the image fits your plan.
✅ 結果: You created custom images without design software.
💡 プロのヒント: Name a specific style, like “watercolor” or “flat vector.” Vague prompts give vague images.
How to Use Sider AI Translator
AI翻訳 lets you translate text, webpages, and files in over 50 languages.
以下に、その使用方法をステップごとに説明します。
Step 1: Highlight Any Text
Select text on any page to show the Sider toolbar.
Click Translate or Explain.
Step 2: Translate the Full Page
Click the translate icon to convert the whole webpage.
Turn on bilingual view to see both languages side by side.
これがその様子です。
✓ チェックポイント: The page shows original and translated text together.
Step 3: Translate Files
Upload a PDF or document in the translator.
Download the translated version when it finishes.
✅ 結果: You can read content in almost any language without leaving the page.
💡 プロのヒント: Use bilingual view when you learn a language. You see the original and translation together.
Sider Pro Tips and Shortcuts
These are the tips that save the most time.
キーボードショートカット
| アクション | ショートカット |
|---|---|
| Open or close the sidebar | Ctrl + J (Windows) / Cmd + J (マック) |
| Send a chat message | 入力 |
| Add a new line in chat | Shift + Enter |
| Change any extension shortcut | chrome://extensions/shortcuts |
ほとんどの人が見逃す隠れた機能
- Sider Code: Sider Code customizes websites using plain-language requests. Ask it to simplify a website’s layout, increase text size, or remove distracting elements. It changes how any page looks and behaves. Sider Code remembers changes for future visits.
- Multi-model compare: Send one prompt to several models at once. Compare GPT, Claude, and Gemini answers side by side. It’s the fastest way to spot a weak answer.
- Developer help: Highlight code blocks and ask Sider to explain them. It can generate unit tests and documentation from highlighted code. It parses error stack traces to find root causes. Upload documentation or API specs, and it summarizes them for you.
- Sider Hand and Sider Claw: Sider Hand automates multi-step tasks across real websites. You describe each task in natural language. Sider Claw automates research and information extraction tasks.
For developers, the big win is focus.
Sider gives on-the-fly help for debugging and bug identification.
You can query multiple AI models when a bug won’t budge.
It also helps with code analysis and code reviews through GitHub integrations.
That means less context-switching between tools and apps.
Sider Common Mistakes to Avoid
Mistake #1: Using One AI Model for Everything
❌ 間違い: Running every task through GPT and accepting the first answer.
✅ 右: Try the same prompt on GPT, Claude, and Gemini. Then choose the best answer.
Mistake #2: Trusting Answers Without Checking
❌ 間違い: Copying facts and numbers straight into your work.
✅ 右: Open the cited sources and verify anything you plan to publish.
Mistake #3: Not Pinning the Extension
❌ 間違い: Digging through the extensions menu every time you need Sider.
✅ 右: Pin Sider and use the keyboard shortcut to open it 即座に.
Sider Troubleshooting
Problem: The Sidebar Won’t Open
原因： Browsers block extensions on some pages, like settings and the Web Store.
修理： Open a normal website and click the Sider icon again. Check the extension is turned on.
Problem: You Hit Your Usage Limit
原因： The free plan includes a limited number of daily credits.
修理： Wait for the daily reset, or move to a paid plan for higher limits.
Problem: A PDF Won’t Upload or Read Correctly
原因： The file is too large, or it’s a scanned image with no text layer.
修理： Compress or split the file. Run OCR on scanned pages before uploading.
📌 注記： If none of these fix your issue, contact Sider support.
Siderとは何ですか？
サイダー is an AI browser extension that adds an AI sidebar to every page.
研究のように考えてみてください アシスタント sitting next to every tab you open.
It works in Chrome and Edge, with desktop apps for macOS and Windows.
It summarizes webpages, PDFs, and videos, and translates content in over 50 languages.
You can also highlight text and ask Sider to explain it directly.
こちらの簡単な概要をご覧ください。
主な機能は以下のとおりです。
- Wisebase: A personal knowledge base that stores pages, PDFs, and notes for AI chat
- チャットPDF: Ask questions about any PDF and get answers tied to the source pages
- 徹底的な調査： Plans and runs multi-step research, then writes a sourced report
- AIスライド： Turns a topic or file into an editable presentation
- Web Creator: Builds a working webpage from a text description
- AIエッセイライター： Outlines, drafts, and revises essays from your topic and sources
- AI Video Shortener: Cuts long videos into short, shareable clips
- AI画像 ジェネレータ: Generates images from text prompts in different styles
- AI翻訳： Translates text, full pages, and files in over 50 languages
詳細なレビューについては、こちらをご覧ください。 Sider review.
サイダー価格設定
Here’s what Sider costs in 2026:
| プラン | 価格 | 最適な用途 |
|---|---|---|
| スターター | $4.2 | Light users who need more than the free plan |
| 無制限 | $16.7 | Power users who want the highest limits |
| 基本 | $6.7 | Students and regular daily use |
| プロ | $12.4 | Heavy research, PDFs, and advanced models |
無料トライアル: Yes — Sider has a free plan with limited daily credits.
返金保証: Not clearly advertised, so check Sider’s billing terms first.
See the full plan breakdown below:
💰 最もお得な価格: Basic — enough credits for daily chat, PDFs, and translation.
Sider vs Alternatives
How does Sider compare? Here’s the competitive landscape:
| 道具 | 最適な用途 | 価格 | 評価 |
|---|---|---|---|
| サイダー | Multi-model AI sidebar on any page | $4.2–$16.7/mo | ⭐ 4 |
| チャットGPT | All-round AI chat and writing | $20/mo (Plus) | ⭐ 4.7 |
| マーリン 人工知能 | ブラウザ AIアシスタント | $9.5/mo (Pro) | ⭐ 4.6 |
| アテラ | IT管理 for MSPs | 月額129ドル | ⭐ 4.6 |
| 忍者ワン | Endpoint and device management | カスタム見積もり | ⭐ 4.6 |
おすすめ商品：
- 総合ベスト： Sider — the most AIツール per dollar inside your browser.
- ベスト予算： Sider — the Starter plan costs just $4.2.
- 初心者におすすめ： ChatGPT — one simple chat window with almost no setup.
- ITチームに最適： NinjaOne — built for managing デバイス, not AI chat.
🎯 Siderの代替案
Siderの代替サービスをお探しですか？おすすめのサービスはこちらです。
- ⭐ チャットGPT: The most popular AI chatbot. Great for writing and reasoning, but it lives in its own tab.
- 🧠 マーリンAI： The closest match to Sider. A browser extension with AI chat, summaries, and a cheaper Pro plan than ChatGPT.
- 🏢 アテラ： An IT management platform for MSPs. Pick it for remote monitoring and help desk work, not AI chat.
- 🔧 忍者ワン: エンドポイント管理 and patching for IT teams. Useful if your real need is device control.
全リストについては、こちらをご覧ください。 Sider alternatives ガイド。
⚔️ サイド比較
Siderが各競合他社と比べてどのような位置づけにあるのか、以下に示します。
- Sider対ChatGPT： ChatGPT is stronger as a standalone app. Sider wins on price and gives you GPT, Claude, and Gemini on any page.
- Sider対Merlin AI： Very close rivals. Sider offers more built-in tools like Wisebase and Deep Research. Merlin keeps things simpler.
- Sider vs Atera: Different jobs. Atera manages IT systems for MSPs. Sider is a personal AI assistant.
- Sider vs NinjaOne: Not direct competitors. NinjaOne manages devices. Sider helps you read, write, and research.
Start Using Sider Now
You learned how to use every major Sider feature:
- ✅ Wisebase
- ✅ ChatPDF
- ✅ Deep Research
- ✅ AIスライド
- ✅ Web Creator
- ✅ AIエッセイライター
- ✅ AI Video Shortener
- ✅ AI画像生成器
- ✅ AI翻訳
次のステップ： どれか一つの機能を選んで、今すぐ試してみてください。
Most people start with Wisebase.
5分もかかりません。
よくある質問
Is Sider AI completely free?
No. Sider has a free plan with limited daily credits. Paid plans start at $4.2 for Starter. The Unlimited plan costs $16.7.
How good is Sider AI?
Very good for the price. FahimAI rates it 4 out of 5. It bundles GPT, Claude, and Gemini with PDF chat, research, and translation in one sidebar.
Sider AIは何に使われていますか？
Sider is used to chat with AI, summarize webpages, PDFs, and videos, and translate content. It also runs research and explains code inside your browser.
Sider AIは安全に使用できますか？
Sider is a popular extension with over 10 million active users. Still, never paste passwords or sensitive データ into any AI tool. Review its permissions before installing.
How does Sider AI compare to ChatGPT?
ChatGPT is one assistant in its own app. Sider gives you GPT, Claude, and Gemini on any webpage. Its paid plans also cost less.
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