Onix PDF vs SimpleTaxCalculator
Neck and neck on boosts. Profiles, pricing and deals below.
Onix PDF
Free Online PDF Tools: Convert, Compress, Merge
community boosts
⚡ 0
pricing
Freemium
what it is
Free online PDF tools: PDF/A conversion (ISO 19005), compression, merge, redaction (GDPR), CAdES/PAdES digital signature verification (eIDAS). No sign-up required.
SimpleTaxCalculator
Free US Tax Tools 2026
community boosts
⚡ 0
pricing
Freemium
what it is
Free US tax calculators for sales tax, property tax, inheritance tax, gas tax, and self-employment tax. State-specific rates updated for 2026. No signup required.