Everhour turns billable time and expenses into invoices, while cross-platform billing keeps client records consistent across tools.
Fill in your details, add line items, hit Print when ready.
| Description | Qty | Rate | Tax | Amount |
|---|
The calculator gives you the number — Everhour takes it from there.
One click and you're timing. Start a timer, add an entry, edit the details. This is exactly how it feels in Everhour.
Set a budget, assign rates, and get alerted before you're over.
Measurement
Track your budget through time or costs
Every report you need — configured your way, always up to date.
Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.
Cross-platform invoicing software is for creating invoices that stay usable across browsers, project tools, accounting systems, and client workflows. The practical outcome is a finished invoice with seller and buyer details, a unique invoice number, issue date, due date, line items, subtotal, tax line when applicable, total due, payment terms, and remit-to instructions.
Keep the invoice distinct from nearby documents. A quote or estimate offers a price before work starts. An invoice requests payment after goods or services are supplied. A receipt proves payment received. Mixing those documents creates client confusion, especially when the same record later has to support bookkeeping, sales-tax review, or contract payment follow-up.
The United States does not use a national VAT or GST invoice regime, and there is no prescribed federal private-sector invoice form for ordinary businesses. For federal tax records, invoices act as supporting documents that help show business income and expenses. Private-sector invoice fields are mainly driven by recordkeeping needs, client expectations, contracts, and state or local tax rules.
Sales and use tax treatment depends on the applicable state and local rate, nexus, product or service taxability, and place of sale. Service taxability varies by state and service type. California generally taxes retail sales of tangible personal property and only some service or labor charges, while Texas defines 16 broad categories of taxable services. Use a state seller permit or sales-tax account where required, not a United States VAT number.
A cross-platform invoice breaks down when the same client, project, or payment term appears differently in each system. Use one spelling for the client name, one invoice numbering sequence, one billing contact, and one payment term. Match the invoice total, tax line, due date, and project reference before exporting or sending the document.
Federal contracts show why field discipline matters. FAR 32.905 defines a proper federal procurement invoice with contractor details, invoice date and number, contract or order references, descriptions, quantities, unit and extended prices, shipping and payment terms, remittance details, defect-contact details, and TIN or EFT data when agency procedures require them. Most private invoices are less formal, but missing references still delay approval.
A one-off invoice tool is enough when you need a downloadable invoice for a single client, a small job, or a corrected record. It works well when the line items are already known, the tax decision is settled, and the invoice does not need to pull from tracked time, expenses, approvals, or project budgets.
A managed workflow becomes necessary when tracked billable time and project costs feed the invoice. Everhour Billing & Invoicing can select uninvoiced time and expenses, calculate invoice amounts from billable time, rates, and billable expenses, and exclude non-billable work. That gives teams a cleaner path from approved work to invoice, with accounting exports handled after the invoice is generated.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
High Performer
G2
Summer 2026
Best Ease Of Use
Capterra
Summer 2026
Rated in the top time trackers across G2, Capterra, and TrustRadius — with consistent praise for ease of use, integrations, and support.
Client name, billing contact, invoice number, issue date, due date, tax line, total due, payment terms, and project reference should match across systems. The invoice can use different layouts in different tools, but the commercial facts should stay the same so client approval, accounting records, and payment tracking point to one transaction.
Cross-platform invoicing means the invoice can be created, shared, exported, or reconciled across different tools and workflows. Electronic invoicing has a narrower meaning in some government or compliance settings. In the United States, Treasury's Invoice Processing Platform serves federal agencies and vendors, not a general private-sector e-invoicing mandate.
Service taxability is state-specific, so the invoice should follow the rule for the sale, the service type, and the relevant jurisdiction. California generally taxes retail sales of tangible personal property and only some service or labor charges. Texas defines 16 broad categories of taxable services. Treating every service invoice the same creates tax errors.
There is no United States VAT or GST registration number for invoices. A seller that makes taxable sales may need a state-level sales-tax registration, such as a California seller's permit for retailers engaged in business in California selling taxable tangible personal property. A TIN or EIN is usually handled through Form W-9 or specific agency procedures.
Mismatched invoice data causes avoidable delays. A client may approve the invoice in one system, while accounting sees a different invoice number, due date, tax amount, or project reference in another. Set the invoice sequence and client record once, then reuse them across the invoice, export, and payment follow-up.
Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates, and excludes non-billable tasks. Invoice data can be grouped by project, task, person, date, or another available breakdown before export.
Everhour can export invoices to QuickBooks Online, Xero, or FreshBooks as drafts managed in the accounting tool. Invoice status, number, issue date, and amount sync back to Everhour so project and billing reports stay connected.
Track billable time, expenses, rates, and invoice status in one workflow. Everhour Billing & Invoicing connects project work to client-ready invoices and accounting exports.
14-day free trial · No credit card · Cancel anytime
