--- id: daily-invoice-generator name: "invoice-generator" url: https://skills.yangsir.net/skill/daily-invoice-generator author: claude-office-skills domain: finance tags: ["invoicing", "billing", "finance", "freelance", "small-business"] install_count: 1900 rating: 4.30 (20 reviews) github: https://github.com/claude-office-skills/skills --- # invoice-generator > 为自由职业者和中小企业快速生成专业发票，支持多种格式和自动税计算 **Stats**: 1,900 installs · 4.3/5 (20 reviews) ## Before / After 对比 ### 发票生成效率 **Before**: 使用 Word 或 Excel 手动制作发票，格式不统一，税计算容易出错 **After**: 输入详情自动生成专业发票，格式规范且税计算准确 | Metric | Before | After | Change | |---|---|---|---| | 发票生成时间 | 15min | 2min | -87% | | 格式错误率 | 20% | 1% | -95% | ## Readme # invoice-generator # Invoice Generator Skill ## Overview I help freelancers and small businesses create professional invoices quickly. Just tell me the details, and I'll generate a complete, properly formatted invoice. **What I can do:** - Create professional invoices in multiple formats - Calculate taxes (VAT, GST, sales tax) - Handle multiple currencies - Support various payment terms - Generate in English or Chinese **What I cannot do:** - File taxes for you - Guarantee compliance with all local regulations - Process actual payments ## How to Use Me ### Step 1: Provide Basic Info Tell me: - **Your business details** (name, address, tax ID if needed) - **Client details** (name, address) - **Items/services** (description, quantity, rate) - **Invoice number** (or I'll suggest one) - **Payment terms** (due date, accepted methods) ### Step 2: I'll Generate I'll create a complete invoice with: - Professional layout - Proper calculations - Payment instructions - Terms and conditions ### Step 3: Export Copy the output to your preferred tool: - Paste into Word/Google Docs - Use the markdown version - Request HTML for web display ## Invoice Components ### Required Elements Element Description Example **Invoice Number** Unique identifier INV-2026-0001 **Date** Issue date January 29, 2026 **Due Date** Payment deadline February 28, 2026 **From** Your business info Company name, address **Bill To** Client info Client name, address **Line Items** Services/products Description, qty, rate, amount **Total** Sum due Amount with currency ### Optional Elements Element When to Include **Tax ID** Required in many countries for B2B **PO Number** If client provided purchase order **Tax Breakdown** When charging VAT/GST/Sales Tax **Late Fee Terms** If you charge for late payment **Bank Details** For wire transfers **Payment Link** For online payment ## Tax Guidance by Region ### United States **No federal invoice requirements**, but good practices: - Include your EIN if B2B - State sales tax if applicable (varies by state) - 1099 reporting if paying contractors $600+ **Sales Tax Rates (examples):** State Rate Notes California 7.25% base Up to 10.75% with local Texas 6.25% base Up to 8.25% with local New York 4% state Up to 8.875% with local Oregon 0% No sales tax ### European Union **VAT Invoice Requirements:** - Must include VAT number if registered - Reverse charge for B2B cross-border - Sequential invoice numbering required **Standard VAT Rates:** Country Rate Germany 19% France 20% UK (post-Brexit) 20% Netherlands 21% Ireland 23% **Reverse Charge:** For B2B services in EU, buyer may handle VAT. Include "Reverse Charge - VAT to be paid by recipient." ### China **Invoice Requirements:** - Regular invoice vs. VAT special invoice (fapiao) - Tax registration number required - Official invoices must be issued through tax authority system **VAT Rates:** Type Rate General Goods 13% Services 6% Small-scale Taxpayer 3% ### Australia **GST Requirements:** - 10% GST on most goods/services - Must include ABN if registered - GST-free for exports ## Payment Terms Reference ### Common Terms Term Meaning **Due on Receipt** Pay immediately **Net 15** Due within 15 days **Net 30** Due within 30 days (most common) **Net 60** Due within 60 days **2/10 Net 30** 2% discount if paid in 10 days, otherwise due in 30 ### Late Payment Policies **Example language:** "Invoices not paid within [X] days will incur a late fee of [1.5%] per month on the outstanding balance." **Legal maximums vary:** - US: Generally up to 18-24% annually - UK: 8% + Bank of England base rate - EU: ECB rate + 8% ## Output Format ### Markdown Invoice ``` # INVOICE **Invoice Number:** INV-2026-0042 **Date:** January 29, 2026 **Due Date:** February 28, 2026 --- ## From [Your Business Name] [Your Address] [Your Email] [Tax ID: XXX-XX-XXXX] ## Bill To [Client Name] [Client Address] [Client Email] --- ## Items | Description | Qty | Rate | Amount | |-------------|-----|------|--------| | [Service 1] | 10 hrs | $100/hr | $1,000.00 | | [Service 2] | 1 | $500 | $500.00 | --- | | | |---|---| | **Subtotal** | $1,500.00 | | **Tax (10%)** | $150.00 | | **Total Due** | **$1,650.00** | --- ## Payment Details **Bank Transfer:** Bank: [Bank Name] Account: [Account Number] Routing: [Routing Number] **Or pay online:** [Payment Link] --- **Payment Terms:** Net 30 **Late Fee:** 1.5% per month on overdue balance Thank you for your business! ``` ## Examples ### Example 1: Simple Freelance Invoice **User**: Create an invoice for 20 hours of web development at $75/hour for Acme Corp. I'm John Smith, based in Austin, TX. **Me**: # INVOICE **Invoice Number:** INV-2026-0001 **Date:** January 29, 2026 **Due Date:** February 28, 2026 ## From John Smith Austin, TX 78701 [john@example.com](https://github.com/claude-office-skills/skills/blob/HEAD/invoice-generator/mailto:john@example.com) ## Bill To Acme Corp [Client Address] ## Items Description Qty Rate Amount Web Development Services 20 hrs $75.00/hr $1,500.00 **Total Due** **$1,500.00 USD** **Payment Terms:** Net 30 ### Example 2: With VAT (UK) **User**: Invoice for consulting services to a UK client, £2000, need to add VAT **Me**: **Subtotal** £2,000.00 **VAT (20%)** £400.00 **Total Due** **£2,400.00 GBP** VAT Registration: GB123456789 ### Example 3: Multiple Line Items **User**: Invoice for: Logo design $500, Brand guidelines $1200, Business card design $300. Client is StartupXYZ. **Me**: Description Qty Rate Amount Logo Design 1 $500.00 $500.00 Brand Guidelines Document 1 $1,200.00 $1,200.00 Business Card Design 1 $300.00 $300.00 **Total Due** **$2,000.00 USD** ## Invoice Numbering Best Practices ### Format Options Format Example Best For Sequential 001, 002, 003 Simple, low volume Year-Seq 2026-001 Easy to track by year Client-Seq ACME-001 Multiple clients Date-Seq 20260129-01 Date-based tracking ### Tips - Never reuse invoice numbers - Keep numbers sequential (gaps may raise audit questions) - Include prefix for different services if needed ## Tips for Better Results - **Provide complete info** - The more details, the better the invoice - **Specify currency** - USD, EUR, GBP, CNY, etc. - **Include tax requirements** - Tell me if you need VAT/GST - **Mention payment methods** - Bank, PayPal, Stripe, etc. - **Request specific format** - Markdown, HTML, or plain text ## Common Mistakes to Avoid - **Missing due date** - Always specify when payment is expected - **Vague descriptions** - "Consulting" is worse than "Marketing strategy consulting - Q1 campaign planning" - **Wrong calculations** - I'll double-check, but verify final numbers - **Missing tax info** - Required for B2B in many countries - **No payment instructions** - Make it easy to pay you! ## Limitations - I generate text invoices, not PDFs directly - Tax calculations are estimates - verify with accountant - Can't integrate with accounting software - Don't know your specific local requirements ## Languages Works with multiple languages including English and Chinese. Just specify your preferred language when requesting an invoice. *Built by the Claude Office Skills community. Get paid faster!* Weekly Installs230Repository[claude-office-s…s/skills](https://github.com/claude-office-skills/skills)GitHub Stars24First Seen12 days agoSecurity Audits[Gen Agent Trust HubPass](/claude-office-skills/skills/invoice-generator/security/agent-trust-hub)[SocketPass](/claude-office-skills/skills/invoice-generator/security/socket)[SnykFail](/claude-office-skills/skills/invoice-generator/security/snyk)Installed onclaude-code182opencode98github-copilot97kimi-cli95gemini-cli95amp95 --- *Source: https://skills.yangsir.net/skill/daily-invoice-generator* *Markdown mirror: https://skills.yangsir.net/api/skill/daily-invoice-generator/markdown*