Tervilo Online Tools

Online Tools & Calculators

Choose a category to find the right free online tool for your task. New tools will be added to each category as Tervilo grows.

PDF Tools

Free PDF tools for merging, splitting, extracting, rotating, converting, inspecting and creating PDF documents.

Global finance and business calculators for loans, mortgages, investing, savings, tax, salary, pricing and financial planning.

Everyday calculators and practical utility tools for percentages, discounts, dates, time, education, construction, networking and common tasks.

Free health and fitness calculators for BMI, calories, BMR, body fat, healthy weight, running pace and pregnancy dates.

Convert metric, imperial, US customary and digital units for length, weight, temperature, area, volume, speed, time, energy and more.

Practical image tools for resizing, compressing, converting, cropping and preparing images for websites, documents and everyday use.

Practical text tools for counting, cleaning, formatting, comparing, sorting and transforming text.