100% Free • No Sign-up Required

Free Estimate Maker

Generate highly professional, customizable estimates instantly. Download as PDF and win more clients. Your data never leaves your browser.

Fill in the details below to build your invoice.

Your Business
Client Information

Typically used for EU business-to-business invoices.

Estimate Details

PNG, JPG, SVG up to 15 MB. Displayed in the invoice header.

Line Items
Notes & Terms

Include Client Approval Section

Adds a signature block at the bottom of the PDF

Show FluxInvoice branding

Displays "Generated by FluxInvoice" at the bottom

Why Use Our Free Estimate Generator?

Built specifically for contractors, freelancers, and small business owners who need to pitch clients professionally.

Win More Business

A professional, well-formatted estimate builds trust immediately. Stand out from competitors who just send pricing in an email.

100% Privacy Focused

Your client data, materials, and pricing never touch our servers. Everything is generated locally in your browser.

Professional PDFs

Choose from 6 stunning templates. Add your custom logo, select your currency, and download a beautiful PDF instantly.

What is an Estimate Maker?

An estimate maker is an online tool that allows contractors and service providers to provide potential clients with an approximate cost for a project. While an Invoice is sent to collect payment after a job is done, an Estimate is the pitch document sent before the client agrees to the work.

What Should a Professional Estimate Include?

To ensure your estimate is clear and professional, it should always include the following details:

  • Estimate Number: A unique identifier (e.g. EST-2026-001) for your records.
  • Estimate Date: The exact date the estimate was provided.
  • Valid Until: An expiration date. Materials and labor costs fluctuate, so you should always specify how long the quote is valid for (usually 30 days).
  • Your Business Info: Name, address, contact details, and tax ID (if applicable).
  • Client Info: The name and address of the potential client.
  • Line Items: A detailed breakdown of the products, materials, or services required.
  • Estimated Total: The final estimated amount, including any potential taxes.

Can I Add My Own Custom Logo?

Absolutely! Our free estimate generator allows you to seamlessly upload your company's logo. You can even customize the alignment (left, center, or right) to ensure it perfectly matches your brand's aesthetic. The logo is embedded directly into the final PDF.

Do You Store My Client Data?

No. We never store your data. FluxInvoice is built on a privacy-first architecture. When you type client names, services, or prices into our estimate maker, that data is processed entirely within your own web browser. It is never uploaded to a cloud database. If you enable the "Auto-Save" feature, the draft is saved locally on your own hard drive using localStorage.