Free tools.
Built for operators worldwide.
Calculators, lints, and wizards for service businesses. WhatsApp pricing, booking platform fees, no-show losses, template approval, green tick, opt-in, licensing.
Save calculations, export white-label PDFs, share results with clients.
The calculators stay free forever. Pro adds persistence, branding, and sharing across all 38 tools.
PDF tools
Merge, compress, convert. Browser-side, private, free. 16 tools.
Merge PDF
Combine multiple PDF files into one. Free, private, runs in your browser.
Compress PDF
Shrink PDF file size by downsampling embedded images. Browser-side.
PDF to JPG
Convert PDF pages to JPG images. One file per page.
JPG to PDF
Combine JPG and PNG images into a single PDF. Browser-side.
Split PDF
Extract single pages or page ranges from a PDF. Download as a ZIP.
Rotate PDF
Rotate PDF pages 90, 180, or 270 degrees. Per page or all.
Add page numbers to PDF
Add page numbers to any PDF. Choose position, format, and start page.
Watermark PDF
Add a text watermark to every page of a PDF. Customisable.
eSign PDF
Sign a PDF in your browser. Draw, place, download.
Redact PDF
Permanently black out text in a PDF. True redaction, not just a cover.
OCR PDF
Turn a scanned, image-only PDF into searchable text. In your browser.
Edit PDF metadata
Edit PDF title, author, subject, keywords. Strip metadata for privacy.
Unlock PDF
Remove a password from a PDF you own. Browser-side.
PDF to Word
Convert PDF to editable Microsoft Word .docx. Server-side, high fidelity.
Word to PDF
Convert .docx Microsoft Word documents to PDF. Free.
PDF to Excel
Convert PDF tables into Excel .xlsx. Server-side.
All tools
Calculators, generators, checkers across 38 tools.
WhatsApp Business API Pricing Calculator
WhatsApp Business API pricing calculator. UK rates, July 2025 model.
Treatwell, Fresha & Booksy Fee Calculator
What Treatwell, Fresha and Booksy really cost you per month.
Salon & Clinic No-Show Loss Calculator
Real annual revenue lost to no-shows. With the fix.
WhatsApp Template Approval Checker
Paste a template. See why Meta is rejecting it.
WhatsApp Green Tick Eligibility Checker
Will Meta verify you? Find out in 90 seconds.
WhatsApp Opt-In Generator (UK GDPR)
ICO-aligned WhatsApp opt-in copy + embeddable form.
UK Aesthetics Licensing Readiness Checker
Is your clinic ready for the new licensing scheme?
Stripe UK Fee Calculator
Stripe UK fee calculator. Per-transaction, monthly, annual.
Customer Lifetime Value Calculator
Customer LTV calculator for UK service businesses. Honest maths.
CRM Switching Cost Calculator
CRM switching cost calculator. UK pricing for HubSpot, Pipedrive, Salesforce, Zoho, Monday, plus NuvenarHub.
SaaS Stack Cost Audit
SaaS stack cost audit. See what NuvenarHub replaces and what you keep.
WhatsApp Welcome Message Generator
WhatsApp welcome message generator. By UK industry, copy and paste.
Lead Response Time ROI Calculator
Lead response time ROI calculator. See what slow replies cost you.
Customer Acquisition Cost (CAC) Calculator
CAC calculator for UK SMB. Blended and per-channel, with payback.
Aesthetics Clinic ROAS Calculator (UK)
Aesthetics clinic ROAS calculator. Meta + Google, immediate and lifetime.
Twilio SMS vs WhatsApp Cost Calculator (UK)
Twilio SMS vs WhatsApp cost calculator. Side-by-side UK rates.
Churn Rate Calculator
Churn rate calculator. Monthly, annual, and healthy-band indicator.
UK GDPR Privacy Policy Generator
UK GDPR privacy policy generator. ICO-aligned. Free.
Cold Outreach Email Sequence Generator (UK)
Cold outreach email sequence generator. UK PECR compliant.
Customer Win-Back Email Generator
Customer win-back email generator. Three variants by churn reason.
No-Show Recovery WhatsApp Sequence Generator
No-show recovery WhatsApp sequence generator. T-48h, T-24h, T-2h, post.
UK Email Deliverability Checker (SPF / DKIM / DMARC)
Email deliverability checker. Live DNS lookup for SPF, DKIM, DMARC.