All Tools
Explore 100 free online tools on ToolsHub, including SIP Calculator, EMI Calculator, GST Calculator, Compound Interest Calculator, Simple Interest Calculator, Salary Hike Calculator, Income Tax Calculator India, FD Calculator, RD Calculator, Loan Eligibility Calculator, BMI Calculator, BMR Calculator, plus many more calculators, generators, and utilities.
How This Tool Library Is Structured
The library is organized so visitors can move from a quick tool run to deeper understanding. Each tool page is being expanded with examples, interpretation guidance, limitations, related tools, and supporting articles instead of acting as a bare output screen.
That approach helps users compare workflows across finance, health, SEO, developer, business, student, and utility tasks while also making the site more useful as a search destination.
Review Standards
Read the editorial policy to see how pages are reviewed before monetization is enabled. The methodology page explains how working tools, originality, and user clarity are evaluated together.
Finance Calculators
Finance pages are strongest when they help users compare scenarios, understand tradeoffs, and verify assumptions before taking action with real money.
Browse this categoryHealth Calculators
Health tools should guide interpretation carefully so users understand what a metric can suggest, where it falls short, and when professional advice matters.
Browse this categoryDate & Time Tools
Date and time tools create value when they prevent small calendar mistakes from turning into missed deadlines, wrong age checks, or scheduling errors.
Browse this categoryText Tools
Text tools become genuinely useful when they speed up editing while still reminding users that clarity, proofreading, and publishing judgment matter.
Browse this categoryDeveloper Tools
Developer utilities are most valuable when they remove setup friction for narrow, repeated tasks without pretending to replace full engineering review.
Browse this categorySEO Tools
SEO utilities create real value when they support implementation details without encouraging spammy shortcuts or misleading optimization habits.
Browse this categoryFinance Calculators
SIP Calculator
SIP Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using monthly investment, expected annual return (%), investment period (years).
Finance Calculators
EMI Calculator
EMI Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using loan amount, interest rate (%), tenure (months).
Finance Calculators
GST Calculator
GST Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using amount, gst rate (%), calculation mode.
Finance Calculators
Compound Interest Calculator
Compound Interest Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using principal, rate (%), years.
Finance Calculators
Simple Interest Calculator
Simple Interest Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using principal, rate (%), years.
Finance Calculators
Salary Hike Calculator
Salary Hike Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using current salary, hike (%).
Finance Calculators
Income Tax Calculator India
Income Tax Calculator India is a free online calculator for planning money, loans, savings, or pricing decisions using annual taxable income, regime.
Finance Calculators
FD Calculator
FD Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using deposit amount, rate (%), years.
Finance Calculators
RD Calculator
RD Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using monthly deposit, rate (%), months.
Finance Calculators
Loan Eligibility Calculator
Loan Eligibility Calculator is a free online calculator for planning money, loans, savings, or pricing decisions using monthly income, existing emis, interest rate (%).
Health Calculators
BMI Calculator
BMI Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using weight (kg), height (cm).
Health Calculators
BMR Calculator
BMR Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using weight (kg), height (cm), age.
Health Calculators
Calorie Calculator
Calorie Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using weight (kg), height (cm), age.
Health Calculators
Ideal Weight Calculator
Ideal Weight Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using height (cm), gender.
Health Calculators
Water Intake Calculator
Water Intake Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using weight (kg), exercise per day (minutes).
Health Calculators
Body Fat Calculator
Body Fat Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using waist (cm), neck (cm), height (cm).
Health Calculators
Pregnancy Due Date Calculator
Pregnancy Due Date Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using first day of last period.
Health Calculators
Age Calculator
Age Calculator is a free online calculator for tracking general wellness numbers and first-pass health estimates using date of birth.
Date & Time Tools
Age Calculator by Date
Age Calculator by Date is a free online calculator for working with dates, time gaps, deadlines, and schedules using date of birth.
Date & Time Tools
Date Difference Calculator
Date Difference Calculator is a free online calculator for working with dates, time gaps, deadlines, and schedules using start date, end date.
Date & Time Tools
Time Difference Calculator
Time Difference Calculator is a free online calculator for working with dates, time gaps, deadlines, and schedules using start time, end time.
Date & Time Tools
Countdown Timer
Countdown Timer is a free online timer for working with dates, time gaps, deadlines, and schedules using minutes.
Date & Time Tools
Stopwatch
Stopwatch is a free online stopwatch for working with dates, time gaps, deadlines, and schedules with fast browser-based output.
Date & Time Tools
World Clock
World Clock is a free online clock tool for working with dates, time gaps, deadlines, and schedules with fast browser-based output.
Date & Time Tools
Working Days Calculator
Working Days Calculator is a free online calculator for working with dates, time gaps, deadlines, and schedules using start date, end date.
Date & Time Tools
Calendar Generator
Calendar Generator is a free online generator for working with dates, time gaps, deadlines, and schedules using month, year.
Text Tools
Word Counter
Word Counter is a free online text tool for editing, measuring, or transforming written content using text.
Text Tools
Character Counter
Character Counter is a free online text tool for editing, measuring, or transforming written content using text.
Text Tools
Case Converter
Case Converter is a free online converter for editing, measuring, or transforming written content using text.
Text Tools
Remove Duplicate Lines
Remove Duplicate Lines is a free online calculator for editing, measuring, or transforming written content using lines.
Text Tools
Text Reverser
Text Reverser is a free online text tool for editing, measuring, or transforming written content using text.
Text Tools
Lorem Ipsum Generator
Lorem Ipsum Generator is a free online generator for editing, measuring, or transforming written content using paragraphs.
Text Tools
Slug Generator
Slug Generator is a free online generator for editing, measuring, or transforming written content using text.
Text Tools
Password Generator
Password Generator is a free online generator for editing, measuring, or transforming written content using length.
Text Tools
Random Name Generator
Random Name Generator is a free online generator for editing, measuring, or transforming written content using names to generate.
Text Tools
QR Code Generator
QR Code Generator is a free online generator for editing, measuring, or transforming written content using text or url.
Developer Tools
JSON Formatter
JSON Formatter is a free online formatter for debugging, formatting, validating, or transforming technical data using json.
Developer Tools
JSON Validator
JSON Validator is a free online formatter for debugging, formatting, validating, or transforming technical data using json.
Developer Tools
JWT Decoder
JWT Decoder is a free online calculator for debugging, formatting, validating, or transforming technical data using jwt token.
Developer Tools
Base64 Encoder Decoder
Base64 Encoder Decoder is a free online calculator for debugging, formatting, validating, or transforming technical data using text, action.
Developer Tools
URL Encoder Decoder
URL Encoder Decoder is a free online calculator for debugging, formatting, validating, or transforming technical data using text, action.
Developer Tools
UUID Generator
UUID Generator is a free online generator for debugging, formatting, validating, or transforming technical data using count.
Developer Tools
Regex Tester
Regex Tester is a free online checker for debugging, formatting, validating, or transforming technical data using regex pattern, flags, text.
Developer Tools
HTML Formatter
HTML Formatter is a free online formatter for debugging, formatting, validating, or transforming technical data using html.
Developer Tools
CSS Formatter
CSS Formatter is a free online formatter for debugging, formatting, validating, or transforming technical data using css.
Developer Tools
JavaScript Formatter
JavaScript Formatter is a free online formatter for debugging, formatting, validating, or transforming technical data using javascript.
SEO Tools
Meta Tag Generator
Meta Tag Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using meta title, meta description, keywords.
SEO Tools
Open Graph Generator
Open Graph Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using og title, og description, url.
SEO Tools
Robots.txt Generator
Robots.txt Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using disallow paths, sitemap url.
SEO Tools
Sitemap Generator
Sitemap Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using urls.
SEO Tools
Keyword Density Checker
Keyword Density Checker is a free online checker for preparing metadata, crawl files, snippets, and search-facing content assets using content.
SEO Tools
WordPress Slug Generator
WordPress Slug Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using title.
SEO Tools
Title Length Checker
Title Length Checker is a free online checker for preparing metadata, crawl files, snippets, and search-facing content assets using title.
SEO Tools
Description Length Checker
Description Length Checker is a free online checker for preparing metadata, crawl files, snippets, and search-facing content assets using description.
SEO Tools
Schema Markup Generator
Schema Markup Generator is a free online generator for preparing metadata, crawl files, snippets, and search-facing content assets using business or page name, url, description.
SEO Tools
Redirect Checker
Redirect Checker is a free online checker for preparing metadata, crawl files, snippets, and search-facing content assets using url.
Business Tools
Invoice Generator
Invoice Generator is a free online invoice tool for pricing, margins, invoices, and operational planning using business name, client name, items.
Business Tools
Profit Margin Calculator
Profit Margin Calculator is a free online calculator for pricing, margins, invoices, and operational planning using revenue, cost.
Business Tools
Discount Calculator
Discount Calculator is a free online calculator for pricing, margins, invoices, and operational planning using original price, discount (%).
Business Tools
Break Even Calculator
Break Even Calculator is a free online calculator for pricing, margins, invoices, and operational planning using fixed cost, selling price per unit, variable cost per unit.
Business Tools
Freelance Rate Calculator
Freelance Rate Calculator is a free online calculator for pricing, margins, invoices, and operational planning using target monthly income, billable hours per month.
Business Tools
PayPal Fee Calculator
PayPal Fee Calculator is a free online calculator for pricing, margins, invoices, and operational planning using amount received, fee (%), fixed fee.
Business Tools
Currency Converter
Currency Converter is a free online converter for pricing, margins, invoices, and operational planning using amount, from currency, to currency.
Business Tools
Business Name Generator
Business Name Generator is a free online generator for pricing, margins, invoices, and operational planning using keyword.
Business Tools
ROI Calculator
ROI Calculator is a free online calculator for pricing, margins, invoices, and operational planning using final value, initial investment.
Business Tools
Startup Cost Calculator
Startup Cost Calculator is a free online calculator for pricing, margins, invoices, and operational planning using costs.
Student Tools
CGPA Calculator
CGPA Calculator is a free online calculator for checking scores, grades, and academic workflow tasks using semester gpa values.
Student Tools
Percentage Calculator
Percentage Calculator is a free online calculator for checking scores, grades, and academic workflow tasks using value, total.
Student Tools
Grade Calculator
Grade Calculator is a free online calculator for checking scores, grades, and academic workflow tasks using score (%).
Student Tools
Marks Percentage Calculator
Marks Percentage Calculator is a free online calculator for checking scores, grades, and academic workflow tasks using obtained marks, total marks.
Student Tools
Study Timer
Study Timer is a free online timer for checking scores, grades, and academic workflow tasks using minutes.
Student Tools
GPA Calculator
GPA Calculator is a free online calculator for checking scores, grades, and academic workflow tasks using grade points.
Student Tools
Scientific Calculator
Scientific Calculator is a free online advanced calculator for checking scores, grades, and academic workflow tasks with fast browser-based output.
Student Tools
Essay Word Counter
Essay Word Counter is a free online text tool for checking scores, grades, and academic workflow tasks using essay.
Student Tools
Citation Generator
Citation Generator is a free online generator for checking scores, grades, and academic workflow tasks using author, title, year.
Image Tools
Image Compressor
Image Compressor is a free online image tool for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Image Resizer
Image Resizer is a free online image tool for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Image to Base64
Image to Base64 is a free online image tool for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Color Picker
Color Picker is a free online image tool for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Markdown Previewer
Markdown Previewer is a free online preview tool for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Table Generator
Table Generator is a free online generator for processing or converting images directly in the browser using comma-separated rows.
Image Tools
CSV to JSON Converter
CSV to JSON Converter is a free online converter for processing or converting images directly in the browser using csv.
Image Tools
JSON to CSV Converter
JSON to CSV Converter is a free online converter for processing or converting images directly in the browser using json array.
Image Tools
YouTube Tag Generator
YouTube Tag Generator is a free online generator for processing or converting images directly in the browser using video topic.
Image Tools
YouTube Title Generator
YouTube Title Generator is a free online generator for processing or converting images directly in the browser using video topic.
Image Tools
Hashtag Generator
Hashtag Generator is a free online generator for processing or converting images directly in the browser using topic.
Image Tools
Instagram Caption Generator
Instagram Caption Generator is a free online generator for processing or converting images directly in the browser using post topic.
Image Tools
Resume ATS Keyword Checker
Resume ATS Keyword Checker is a free online checker for processing or converting images directly in the browser using resume text, job description.
Image Tools
Cover Letter Generator
Cover Letter Generator is a free online generator for processing or converting images directly in the browser using role, company, skills.
Image Tools
Typing Speed Test
Typing Speed Test is a free online checker for processing or converting images directly in the browser with fast browser-based output.
Image Tools
Random Number Generator
Random Number Generator is a free online generator for processing or converting images directly in the browser using minimum, maximum.
Image Tools
Tip Calculator
Tip Calculator is a free online calculator for processing or converting images directly in the browser using bill amount, tip (%), number of people.
Image Tools
Percentage Change Calculator
Percentage Change Calculator is a free online calculator for processing or converting images directly in the browser using old value, new value.
Unit Converters
Unit Converter
Unit Converter is a free online converter for moving values between common measurement systems using value, category, from unit.
Unit Converters
Height Converter
Height Converter is a free online converter for moving values between common measurement systems using height (cm).
Unit Converters
Weight Converter
Weight Converter is a free online converter for moving values between common measurement systems using weight (kg).
Unit Converters
HEX to RGB Converter
HEX to RGB Converter is a free online converter for moving values between common measurement systems using hex color.
Unit Converters
RGB to HEX Converter
RGB to HEX Converter is a free online converter for moving values between common measurement systems using red, green, blue.
Unit Converters
Unix Timestamp Converter
Unix Timestamp Converter is a free online converter for moving values between common measurement systems using unix timestamp.
Unit Converters
Time Zone Converter
Time Zone Converter is a free online converter for moving values between common measurement systems using date & time, from zone, to zone.