Free online business and finance tools

Resume builder and parser that works locally in the browser, no sign-up, exporting a PDF.

Open-source invoice generator with thirteen templates, custom colours and logo, exporting PDF.

Invoice generator that runs fully in the browser; no sign-up, templates, logo and instant PDF export.

Write a resume in Markdown and print or save it as an ATS-friendly PDF, with data kept in the browser.

Quick React invoice maker with PDF export.

Free invoice maker for freelancers and small businesses with PDF export.

Financial derivatives calculator with 171+ models including Black-Scholes.

Turns an HTML invoice template into an editable invoice you can fill in and print.

Computes monthly repayments and total cost for repayment or interest-only mortgages.

Open-source invoice maker that needs no signup and produces a PDF in seconds.

Small Alpine.js and Tailwind invoice generator that builds an invoice from your inputs.

Offline-first invoice maker with multiple company headers, history and PDF export; data stays on your device.

Assessment that scores how mature an organization's AI adoption is, using Claude for the analysis.

Italian-language tool: load an accounting document, ask questions or generate reports on IFRS statements with your own Anthropic key.

Keyboard-only questionnaire that maps an outage to SEV1 through SEV4, lists the rules that fired and drafts the channel message.

Official open-source French simulator for gross, net and employer cost of a salary.

Client-side invoice generator for freelancers and small teams; PDF output, no sign-up, data stays local.

Create, preview and download PDF invoices in the browser without an account.

Converts a floor plan image into a digital layout with detected walls and rooms.

Analyzes a resume for applicant tracking system fit against a job description.

Expands a short feature idea into a structured spec for developers, including user stories and requirements.

Simple Greek VAT calculator for adding or removing the tax (Greek interface).

Upload a resume PDF and get a blunt, humorous critique followed by suggestions for improving it.

Writes an e-commerce product description from basic product details.