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Heroes of Might and Magic 3Claude Web App
The Claude web app at claude.ai is where you sign in and chat with Claude in a browser, on every plan including Free; it holds your chats, projects, artifacts and settings, which sync with the desktop and mobile apps.
The Claude web app is at claude.ai: sign in with an email address or a Google account and start typing, on any plan including Free (How do I sign up for the Pro plan?). It first opened to the public in the US and UK as a beta with Claude 2 on Jul 11, 2023. Your conversations, projects, memory and preferences sync across the web, desktop and mobile apps. The web app does nearly everything the desktop app does except reach files and apps on your own computer.
Quick facts
| Address | claude.ai (claude.ai/code for Claude Code on the web) |
| Plans | Every plan: Free, Pro, Max, Ultra, Team, Enterprise |
| Sign-in | Email or Google; SMS phone verification for new accounts |
| Age | 18 or over |
| Uploads | Up to 20 files per chat, 500 MB each; PDFs up to 1,000 pages |
| Settings | Settings > Your Claude, Capabilities, Privacy, Billing, Usage |
Sources: How do I sign up for the Pro plan?, Verify your phone number, Minimum age requirement, Upload files to Claude, Claude Help Center, read Nov 6, 2026.
Signing up and logging in
- Open claude.ai and choose to continue with Google or with an email address.
- New accounts verify a mobile number by SMS. VoIP numbers, Google Voice and landlines are refused, a number can serve at most three accounts, and it cannot be changed later (Verify your phone number).
- You must be at least 18 and in one of the roughly 176 supported locations.
- Pick a plan, or stay on Free.
Anthropic's Help Center asks users who are locked out of an account to contact Support from another email and copy in the account's address (Requesting a refund).
The chat screen
The main screen is a message box. Its "+" menu holds the extras: attach files, turn on web search or Research, add connectors, and turn off memory for a chat (Use research on Claude; Memory and chat search). The ghost icon at the top right of a new chat starts an incognito chat, marked by a black border (Use incognito chats). Claude's longer outputs open as Artifacts beside the conversation and are saved in an Artifacts tab (Artifacts).
Since Sep 16, 2026 chat and Cowork are being merged on Pro, Max and Ultra, so the same box takes a quick question or a larger task without choosing a mode (Claude Cowork and chat are one Claude). Tasks run in the cloud and can continue "after you close your laptop". Accounts not yet moved see Chat and Cowork side by side.
The sidebar
The sidebar lists recent chats and tasks and links to Projects and Artifacts. To rename or delete a chat, hover over it and open the "⋮" menu; to delete several, use "Select" or "Select all" in "Chats and tasks" (Delete or rename a conversation). A deleted chat leaves your history at once and Anthropic's systems within 30 days.
Choosing a model
The model menu offers the models your plan includes: Sonnet and Haiku on Free, plus Opus on Pro and up, and Fable on Max, Ultra and Team Premium seats (on Pro and Team Standard, paid with usage credits) (Plans & pricing). Recent models think before answering, and the effort level can be lowered to save usage (How do usage and length limits work?). Anthropic sets Claude Sonnet 5.5 to Medium effort by default in the apps (Introducing Claude Sonnet 5.5). See Claude Models and Extended and Adaptive Thinking.
Uploading files
Drag files into the message box or use "+". A chat takes up to 20 files of up to 500 MB each, images up to 8000 x 8000 pixels, and PDFs up to 1,000 pages; Claude reads the text and visuals of PDFs up to 100 pages and only the text beyond that (Upload files to Claude). Supported types include PDF, DOCX, CSV, TXT, HTML, EPUB, JSON and XLSX, and JPEG, PNG, GIF and WebP images. See Image and PDF Uploads.
Settings worth knowing
- Settings > Your Claude: Instructions for Claude (applied to every chat) and memory, including "Manage" to edit what Claude remembers (Understanding Claude's personalization features).
- Settings > Capabilities: code execution and file creation, voice settings, and which browser Claude uses (Create and edit files).
- Settings > Privacy: the "Help Improve our AI models" switch, exporting your data, and your shared chats (How do I change my model improvement privacy settings?; Export your Claude data).
- Settings > Usage: the current session, weekly limits, usage credits and any limit resets (Usage limit best practices).
- Settings > Billing: upgrade, cancel and invoices.
Exporting data works only on the web or desktop, not in the mobile apps; the emailed link expires 24 hours after delivery (Export your Claude data). See How to Export or Delete Claude Data.
Web app or desktop app?
The web app needs no install and works in any modern browser. The desktop app adds quick entry from anywhere, desktop extensions to local tools, Cowork on your own files and folders, and computer use (Download Claude). Both share one account. Claude Code also runs in the browser at claude.ai/code; see Claude Code on the Web.
Frequently asked questions
How do I log in to Claude? Go to claude.ai and continue with Google or your email address; new Claude accounts also verify a mobile number by SMS.
Is claude.ai free? Yes. The Claude web app at claude.ai works on the Free plan, with limited usage every five hours and every week; paid plans add more usage and features.
Do I need to download anything to use Claude? No. Claude runs in any modern browser at claude.ai; the desktop and mobile apps are optional and sync with the same account.
Why is Claude not available in my country? Claude works only in Anthropic's supported locations, listed on the Claude Help Center, and paid plans need a phone number from a supported location.
Can I use Claude without an account? No. Claude requires an account with a verified phone number, and users must be 18 or over.
Sources
- How do I sign up for the Pro plan?, Claude Help Center, read Nov 6, 2026
- Verify your phone number, Claude Help Center, read Nov 6, 2026
- Minimum age requirement access restriction, Claude Help Center, read Nov 6, 2026
- Where can I access Claude?, Claude Help Center, read Nov 6, 2026
- Requesting a refund for a paid Claude plan, Claude Help Center, read Nov 6, 2026
- Claude 2, Anthropic, Jul 11, 2023
- Getting started with Claude.ai, Anthropic, Dec 2, 2025 (video)
- Download Claude, Anthropic, read Nov 6, 2026
- Claude overview, Anthropic, read Nov 6, 2026
- Claude Cowork and chat are one Claude, Claude Help Center, read Nov 6, 2026
- Use research on Claude, Claude Help Center, read Nov 6, 2026
- Memory and chat search, Claude Help Center, read Nov 6, 2026
- Use incognito chats, Claude Help Center, read Nov 6, 2026
- Artifacts, Anthropic, read Nov 6, 2026
- Delete or rename a conversation, Claude Help Center, read Nov 6, 2026
- Plans & pricing, Anthropic, read Nov 6, 2026
- How do usage and length limits work?, Claude Help Center, read Nov 6, 2026
- Introducing Claude Sonnet 5.5, Anthropic, Sep 28, 2026
- Upload files to Claude, Claude Help Center, read Nov 6, 2026
- Understanding Claude's personalization features, Claude Help Center, read Nov 6, 2026
- Create and edit files, Claude Help Center, read Nov 6, 2026
- How do I change my model improvement privacy settings?, Anthropic Privacy Center, read Nov 6, 2026
- Export your Claude data, Claude Help Center, read Nov 6, 2026
- Usage limit best practices, Claude Help Center, read Nov 6, 2026
Moments
Getting started with Claude.ai
Anthropic
- The main screen is a message box. Its "+" menu holds the extras: attach files, turn on web search or Research, add…
- The sidebar lists recent chats and tasks and links to Projects and Artifacts. To rename or delete a chat, hover over…
- The model menu offers the models your plan includes: Sonnet and Haiku on Free, plus Opus on Pro and up, and Fable on…
- Drag files into the message box or use "+". A chat takes up to 20 files of up to 500 MB each, images up to 8000 x 8000…
Related
- Claude for EducationClaude for Education is Anthropic's university-wide plan for students, faculty and staff, priced on request, with a learning mode that guides students with questions instead of answers; US K-12 teachers can get Claude free for a year.
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Claude Free PlanYes, Claude is free to use: the Free plan costs $0 and includes chat with Claude Sonnet and Haiku, web search, file creation, memory and connectors, with usage limited every five hours and every week.
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Claude MaxClaude Max is Anthropic's $100-a-month plan with five times Claude Pro's usage every five hours and every week, Fable included up to half the weekly limit, $100 a month in API credits and priority access.
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Claude Mobile AppsClaude's free mobile apps for iPhone, iPad and Android, listed as "Claude by Anthropic", offer chat, voice mode, dictation, camera and photo input, and links to phone apps such as Maps, Messages and Calendar.
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Claude Plans and PricingClaude has a Free plan and three individual paid plans, Pro at $20 a month, Max at $100 and Ultra at $200, plus Team seats from $20, Enterprise seats at $20 plus usage, and an Education plan priced on request (as of Nov 6, 2026).
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Claude ProClaude Pro is Anthropic's $20-a-month plan ($17 a month billed annually) that adds at least five times Free's usage, the Opus models, Claude Code, Research and unlimited projects.
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Claude Pro vs MaxClaude Pro ($20 a month) suits daily chat and light Claude Code use; Claude Max ($100) gives five times the usage, Fable in the plan and $100 in API credits; Claude Ultra ($200) removes the five-hour limit for verified accounts.
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Claude Team and EnterpriseClaude Team costs $20 or $100 a seat a month billed annually ($25 or $125 monthly) for 2 to 150 people; Claude Enterprise costs $20 a seat a month billed annually plus all usage at API rates, with a 20-seat minimum.
See also
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MemoryClaude remembers across chats on every plan, Free included: it saves facts as topics you can read, edit or delete under Settings > Your Claude. Paid plans can also search past chats, and incognito chats are never remembered.
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Claude Desktop AppThe Claude desktop app is a free download for macOS and Windows, with Linux in beta, that adds quick entry, desktop extensions, Cowork on your own files, computer use and Claude Code to the Claude chat.
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Web SearchYes, Claude can search the internet. Web search is on every Claude plan, Free included, in every country Claude serves; turn it on with "+" and "Web search", and every answer that uses it cites its sources.
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