Text Tools
Free
Word Counter
Count words, characters, sentences and paragraphs in your text instantly.
🧰 Free Online Tools Directory
All free online tools in one simple place.
Search and use practical tools for PDFs, images, text, calculators, converters, SEO, developers, business documents and everyday productivity tasks.
✅ Free to use
✅ No signup needed
✅ Mobile friendly
✅ Clear instructions
Search results for “calculator”:
13 tools found.
🔎 Search Results
Tools matching your search
Open any result below and start using the tool instantly.
Calculators
Free
Age Calculator
Calculate exact age from date of birth in years, months, days, total days lived and next birthday countdown.
Calculators
Free
Discount Calculator
Calculate discount price, amount saved, final price, original price and tax after discount online.
Calculators
Free
Percentage Calculator
Calculate percentages, percentage change, discounts, increases, decreases and reverse percentages online.
Calculators
Free
Tip Calculator
Calculate tip amount, total bill and split per person with tax, service charge and rounding options.
Date & Time
Free
Date Difference Calculator
Calculate the difference between two dates in days, weeks, months, years, weekdays and weekends.
Date & Time
Free
Days From Today Calculator
Calculate what date it will be after or before a number of days from today.
Date & Time
Free
Time Zone Converter
Convert time from one timezone to another for meetings, travel, events and online schedules.
Education Tools
Free
Equation Solver Basic
Solve basic linear equations, quadratic equations, two-variable systems and arithmetic expressions with steps.
Education Tools
Free
GPA Calculator
Calculate semester GPA and cumulative GPA from courses, credits, letter grades and grade points.
Education Tools
Free
Grade Calculator
Calculate grades from assignments, tests, exams, points, percentages, weights and target final grade.
Education Tools
Free
Reading Speed Calculator
Measure reading speed in words per minute, estimate reading time, check comprehension and create a reading report.
Unit Converters
Free
Currency Converter
Convert currencies using a manual exchange rate with optional fee and conversion report.
What you can do with these tools
ZanaHive provides a growing collection of free tools for common digital tasks. You can prepare documents, optimize images, clean text, calculate values, check SEO items, format developer data and create business documents from one organized tools directory.
This page is built to help visitors find the right tool quickly. Use the search box if you already know what you need, or browse categories when you want to discover related utilities.
- Use PDF tools to merge, split, compress, reorder and inspect PDF documents.
- Use image tools to compress, resize, crop, convert and extract colors from images.
- Use text tools to count words, clean text, convert case and organize lines.
- Use developer tools to format JSON, encode URLs, decode Base64 and generate UUIDs.
- Use calculators and business tools for everyday office and productivity tasks.
How to find and use a tool
1
Search or browse categories
Type a keyword such as PDF, image, JSON, invoice or calculator.
2
Open the tool page
Read the short description and choose the tool that matches your task.
3
Enter text or upload a file
Follow the instructions inside the tool page and adjust available settings.
4
Copy or download the result
Most tools allow copying results, downloading output files or saving a report.
✅ Useful for many tasks
Who can use these free online tools?
The tools directory is useful for students, offices, website owners, developers, designers, small businesses, content creators and everyday users.
🎓 Students
Count words, clean text, convert documents, prepare images and organize assignment content quickly.
🏢 Offices and businesses
Create invoices, receipts, quotations, purchase orders, delivery notes and other business documents.
🌐 Website owners
Compress images, generate favicons, preview SEO tags, check titles and prepare web content.
💻 Developers
Format JSON, validate data, encode URLs, decode Base64, minify JavaScript and generate IDs.
🎨 Designers
Resize images, crop photos, pick colors from images, convert formats and inspect image metadata.
❓ FAQ
Frequently asked questions
Helpful answers for visitors browsing the tools directory.
Are these tools free?
Yes. The standard tools on ZanaHive are free to use directly from your browser.
Do I need to create an account?
No. You can open tools and use them without signing up or installing software.
How do I search for a tool?
Use the search box at the top of this page and type keywords such as PDF, image, JSON or invoice.
Do the tools work on mobile?
Yes. The tools directory and tool pages are designed to work on desktop, tablet and mobile screens.
Are uploaded files private?
Many tools run directly in your browser. Check each tool page for its privacy note and how that tool processes input.
What should I do if I cannot find a tool?
Try a shorter keyword or browse the categories. New tools can also be added as the website grows.