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Free tools

Free online tools for your business: calculators, document generators, checklists and validators. No registration needed.

Every tool runs in your browser and shows the result without asking you to sign up. Pick the one you need: invoice, estimate and contract generators, PDF utilities, industry calculators, compliance checklists and validators.

Why use it

It is free and you do not need to sign up to try it.
Your data is only used to produce the result and is never shared with third parties.
It works the same on your phone and on your computer.

Tool catalogue

PDF Tools

Merge PDF: Combine multiple PDF files into one — free
Compress PDF: Reduce PDF file size without losing quality — free
Rotate PDF: Rotate pages in your PDF file — free
JPG to PDF: Convert images to PDF format — free
PDF Watermark: Add a text watermark to your PDF — free
Unlock PDF: Remove password protection from a PDF — free
Summarize PDF (AI): Get an AI-powered summary of your PDF — free

Documents

Free Document Signing: Upload a PDF and get it signed — no registration required
Free Invoice Generator: Create professional invoices with line items and taxes — free
Free Estimate Generator: Build quotes and estimates with cost breakdowns — free
Free NDA Generator: Generate customizable NDAs from ready-made templates — free
Free Timesheet: Track weekly hours by project and export PDF timesheets — free
Free Kanban Board: Organize tasks with a drag-and-drop Kanban board — free
Free Employee Letter: Generate offer letters, employment verifications and more — free
Commercial Proposal Generator: Professional proposals in PDF
Engagement Letter: Legal engagement letters in PDF
Allergen Matrix: EU allergen table for menus
Creative Brief: Campaign brief ready for production
School Daily Report: Daily report PDF for families
Repair Order: Workshop repair order PDF
Loyalty Program: Points and tiers for beauty centers

Calculators

Pregnancy Week Calculator: Gestational week, trimester and due date PDF
VAT & IRPF Calculator: Tax breakdown PDF — free
Legal Deadlines Calculator: LEC deadline dates — indicative
Realty Commission Calculator: Agency-agent split calculator
Food Cost Calculator: Food cost % and suggested price
RevPAR Calculator: RevPAR, ADR and hotel revenue
E-commerce Margin: Net margin and break-even
Travel Markup Calculator: Retail price from net cost
Trip Budget Estimator: Indicative budget by destination
Event Settlement: Promoter-artist split
DORA Metrics: DORA level and engineering benchmark
Renovation Estimator: Budget range per sqm
Talent Commission: Artist-agency event settlement
Gym Churn Calculator: Retention and annual projection
G702 Certificate: Progress billing and retentions
Interior Design Budget: Estimate per sqm and finish

Checklists

Verifactu Checklist: Assess Verifactu 2026 compliance
Group Departure Checklist: Passports, visas and manifest
ENS Medium Checklist: ENS controls self-assessment
Realty AML Checklist: Law 10/2010 due diligence
Cleaning Checklist: Tasks by venue type

Validators

NIF/CIF/NIE Validator: Validate Spanish tax IDs instantly
SEO Audit Lite: Free on-page website analysis