65+ features shipped

Everything you need to run your billing

Professional invoicing, Stripe payments, Google Drive receipts, recurring billing, double-entry accounting, team collaboration, AI assistant, free tools, and more — all in one platform. Free to start.

Free plan, no credit card requiredPro plan at just $4/monthStripe-powered online paymentsGoogle Drive receipt storageSend invoices from your own domainAES-256-GCM bank-grade encryption50+ currencies supportedPDF on every invoice & quoteBuilt-in AI assistantREST API + MCP protocolDouble-entry accounting built-in4 free tools — no signup needed
Invoicing & Billing

Create, send, and manage every type of invoice your business needs.

Professional Invoices

Auto-numbered invoices with your logo, custom colors, and bank details. Standard, deposit, milestone, and credit note types. PDF download and shareable payment link on every invoice.

Estimates & Quotes

Create branded quotes, generate PDFs, and share via a public link. Clients accept or decline online — status updates instantly. Convert accepted quotes to invoices in one click.

Recurring Billing

Set up recurring invoices on any schedule — weekly, monthly, quarterly, or yearly. Invoices generate automatically and can trigger payment reminders without any manual work.

Late Fee Automation

Configure late fees as a flat amount or percentage of the invoice. Set grace periods so fees only apply after a certain number of overdue days. Applied automatically on schedule.

Tax Rates & VAT

Create named tax rates for VAT, GST, Sales Tax, or any regional tax. Set defaults per customer or item. Support for compound taxes and tax-inclusive pricing.

Multi-Currency

Invoice in 50+ currencies including USD, EUR, GBP, PKR, CHF, AUD, and more. Each invoice can use a different currency. Bank details appear on every invoice automatically.

Overdue Reminders

Automated payment reminder emails sent at 1, 3, 7, 14, and 30 days overdue. Fully customizable subject, message body, and send time. No manual chasing required.

Items & Product Catalog

Maintain a catalog of products and services with names, descriptions, rates, and tax codes. Pick items directly on invoices and quotes — no retyping. Supports up to 200 items on Pro.

Coming Soon

Send Invoices by Email

Send invoices and quotes directly from the app. Connect your own SMTP server (Gmail, Outlook, Mailgun, etc.) to send from your own branded domain.

Payments & Clients

Get paid online, track receipts, and keep your client relationships organized.

Online Payments via Stripe

Connect your Stripe account and let clients pay directly from their invoice link — no login required. Payments are automatically recorded and invoice status updates to Paid instantly.

Payment Management

Record, edit, and delete payments with full multi-invoice allocation. Edit amount with automatic invoice re-reconciliation. Track by Bank Transfer, Cash, Check, PayPal, Wise, Payoneer, Crypto, and more.

Recurring Payments

Set up automatic recurring payment profiles tied to customers. Schedule collections on weekly, monthly, or custom cycles. Separate from recurring invoices — ideal for retainer-based businesses.

Google Drive Receipt Storage

Attach PDF or image receipts to any payment and save them directly to your own Google Drive — zero storage cost on InvoiceCave. Files are organized in an "InvoiceCave Receipts" folder automatically. Pro & Enterprise.

Client Management

Encrypted customer records with billing history, email tracking, statement of accounts, and custom notes. Bulk import via CSV. Full CRUD with search and filtering.

Client Portal

Every client gets a unique branded portal link. They can view all their invoices, payment history, account summary, and pay outstanding invoices online — without creating an account.

Accounting & Finance

Built-in double-entry accounting for businesses that need the full picture.

Dashboard & Analytics

Real-time overview of total revenue, outstanding invoices, overdue amounts, and recent activity. Filterable by date range. See your business health at a glance every time you log in.

Double-Entry Accounting

Full chart of accounts with debit/credit journal entries. Auto-journal on payment recording — debit bank, credit AR — with manual override. Designed for freelancers who want accountant-ready books.

Chart of Accounts & Journals

Create and manage a custom chart of accounts. Post manual journal entries for adjustments, accruals, and corrections. All entries are traceable with reference numbers and audit history.

Expense Tracking

Log business expenses with amounts, vendors, dates, and custom categories. Color-coded categories for fast visual scanning. CSV export for accountants.

Bank Accounts

Track multiple bank accounts with running balances. Link accounts to your chart of accounts for automatic ledger entries. Supports multi-currency bank accounts.

AR Aging Reports

Full accounts receivable aging report with 30/60/90/120+ day buckets. Visual distribution chart, per-customer breakdown, and CSV export for your accountant.

Team & Security

Built for teams of one to many, with enterprise-grade security throughout.

Team Members & Roles

Invite team members and assign roles. Members share access to invoices, customers, and settings within your organization. Pro supports up to 5 members; Enterprise is unlimited.

Bank-Grade Encryption

AES-256-GCM encryption with a 3-layer key hierarchy — master key, per-org KEK, per-record DEK. Same architecture used by banks. Even we cannot read your data at rest.

Security Hardening

HMAC-based share tokens, constant-time comparison to prevent timing attacks, progressive account lockout, email enumeration protection, CSRF tokens, and rate limiting on every endpoint.

Audit Log

Immutable log of every action in your organization — who created, edited, or deleted records and when. Filterable by user, action type, and date range. Pro & Enterprise.

AI & Developer Tools

Automate invoicing with natural language or connect your own tools.

AI Assistant

Built-in AI chat that understands your invoicing data. Create invoices, find customers, record payments, and get summaries — all through natural language. No commands to learn.

REST API

20+ REST endpoints covering invoices, customers, payments, items, and more. Standard JSON responses, bearer token auth, and full CRUD. Works with n8n, Zapier, Make, and any HTTP client.

MCP Protocol

32 typed tools for AI agents via the Model Context Protocol. Connect Cursor, Claude Desktop, Codex, or Windsurf to manage your entire invoicing business through natural language.

Free Tools

Useful calculators and generators — no account needed.

Free Invoice Generator

Generate a professional PDF invoice instantly — no signup, no watermark. Add your logo, line items, taxes, and discounts. Download ready-to-send in seconds.

Sales Tax Calculator

Calculate sales tax for any US state or custom rate. Enter your subtotal, pick a state or enter a custom percentage, and see the tax and total instantly.

Profit Margin Calculator

Calculate gross margin, net margin, and markup from cost and revenue. Understand your profitability on any project or product before you quote.

Currency Converter

Convert between 50+ currencies using live exchange rates. Useful for multi-currency invoices, international contracts, and freelance rate comparisons.

Start using all of this — free

No credit card. No setup fee. Everything you need to send your first invoice is ready in under 2 minutes.

Pro plan is $4/month. Upgrade anytime.