Tostino Tools
Welcome to Tostino Tools, a growing collection of free online tools designed to make everyday digital tasks faster, easier, and more convenient.
Whether you need to calculate a percentage, count words, generate a secure password, format JSON, compress an image, convert a file, or work with URLs and SEO data, Tostino Tools brings useful utilities together in one simple place.
All tools are designed with simplicity in mind. You don’t need to install complicated software or create an account just to perform a quick task. Choose the tool you need, enter your information, and get your result.
Find the Right Tool
Looking for something specific?
Use the search option to quickly find a tool by its name or category.
Search Tools
Search for calculators, converters, text tools, SEO utilities, developer tools, image tools, security tools, and more.
Calculators
Our online calculators help you perform common mathematical, financial, health, date, and everyday calculations quickly.
Percentage Calculator
Calculate percentages, percentage increases, decreases, and differences using a simple online calculator.
Use Percentage Calculator →
Age Calculator
Calculate your exact age based on your date of birth, including years, months, and days.
Use Age Calculator →
BMI Calculator
Calculate your Body Mass Index using your height and weight and understand the resulting BMI range.
Use BMI Calculator →
Discount Calculator
Calculate discounts, sale prices, savings, and the final price after applying a percentage discount.
Use Discount Calculator →
Loan Calculator
Estimate loan payments based on the loan amount, interest rate, and repayment period.
Use Loan Calculator →
Interest Calculator
Calculate interest based on the principal amount, interest rate, and selected period.
Use Interest Calculator →
GPA Calculator
Calculate your grade point average using your courses, grades, and credit hours.
Use GPA Calculator →
Average Calculator
Calculate the average of multiple numbers quickly and accurately.
Use Average Calculator →
Date Difference Calculator
Calculate the number of days, weeks, months, or years between two dates.
Use Date Difference Calculator →
Tip Calculator
Calculate tips and split restaurant or service bills between multiple people.
Use Tip Calculator →
Text Tools
Work with text faster using simple browser-based utilities for counting, formatting, cleaning, and generating text.
Word Counter
Count words, characters, sentences, paragraphs, and other basic text statistics.
Use Word Counter →
Character Counter
Count characters in your text, with or without spaces.
Use Character Counter →
Case Converter
Convert text between uppercase, lowercase, title case, sentence case, and other common formats.
Use Case Converter →
Remove Duplicate Lines
Remove repeated lines from a text list and create a clean, unique list.
Use Duplicate Line Remover →
Text Sorter
Sort lines of text alphabetically, numerically, or according to different sorting options.
Use Text Sorter →
Text Repeater
Repeat a word, phrase, or sentence a selected number of times.
Use Text Repeater →
Lorem Ipsum Generator
Generate placeholder text for websites, designs, applications, presentations, and development projects.
Use Lorem Ipsum Generator →
Slug Generator
Convert titles and text into clean, URL-friendly slugs suitable for websites and content management systems.
Use Slug Generator →
SEO & URL Tools
Improve your websites and simplify common SEO and URL-related tasks with practical online utilities.
URL Encoder & Decoder
Encode URLs and decode URL-encoded text for use in websites, applications, and web development.
Use URL Encoder & Decoder →
URL Shortener
Create shorter links that are easier to share and manage.
Use URL Shortener →
UTM Builder
Create properly formatted UTM campaign URLs for tracking traffic from marketing campaigns.
Use UTM Builder →
Meta Tag Generator
Generate essential HTML meta tags for webpages, including title, description, and social sharing information.
Use Meta Tag Generator →
Robots.txt Generator
Create a robots.txt file configuration to help communicate crawling instructions to search engine bots.
Use Robots.txt Generator →
Sitemap Generator
Generate sitemap content that can help search engines discover pages on your website.
Use Sitemap Generator →
Keyword Density Checker
Analyze text and identify how frequently words and phrases appear in your content.
Use Keyword Density Checker →
Image Tools
Perform common image operations directly from your browser with simple online tools.
Image Compressor
Reduce image file size while maintaining a practical level of visual quality.
Use Image Compressor →
Image Resizer
Resize images to specific dimensions while maintaining control over the output size.
Use Image Resizer →
Image Cropper
Crop images to remove unwanted areas and create the dimensions you need.
Use Image Cropper →
Image Converter
Convert images between commonly used image formats.
Use Image Converter →
JPG to PNG
Convert JPG images into PNG format directly from your browser.
Use JPG to PNG →
PNG to JPG
Convert PNG images into JPG format for easier sharing and smaller file sizes when appropriate.
Use PNG to JPG →
PDF Tools
Useful browser-based utilities for working with PDF documents and common document conversions.
PDF to JPG
Convert PDF pages into JPG images.
Use PDF to JPG →
JPG to PDF
Convert one or more JPG images into a PDF document.
Use JPG to PDF →
PDF Merger
Combine multiple PDF documents into a single PDF file.
Use PDF Merger →
PDF Splitter
Separate selected pages from a PDF document or split a PDF into multiple files.
Use PDF Splitter →
PDF Compressor
Reduce the file size of PDF documents while attempting to preserve useful document quality.
Use PDF Compressor →
Developer Tools
Useful utilities for developers, programmers, web designers, and anyone working with code or structured data.
JSON Formatter
Format JSON data into a clean, readable structure.
Use JSON Formatter →
JSON Validator
Check JSON data for common formatting and syntax errors.
Use JSON Validator →
Base64 Encoder & Decoder
Encode text into Base64 or decode Base64 data back into readable content.
Use Base64 Encoder & Decoder →
HTML Formatter
Format HTML code to make its structure easier to read and maintain.
Use HTML Formatter →
CSS Formatter
Format CSS code with consistent indentation and structure.
Use CSS Formatter →
JavaScript Minifier
Minify JavaScript code by reducing unnecessary whitespace and characters.
Use JavaScript Minifier →
HTML Entity Encoder & Decoder
Encode special characters into HTML entities or decode HTML entities back into their original characters.
Use HTML Entity Encoder & Decoder →
Security Tools
Simple utilities for common security-related tasks.
Password Generator
Generate random passwords using customizable length and character options.
Use Password Generator →
Password Strength Checker
Evaluate password characteristics and identify common weaknesses.
Use Password Strength Checker →
Hash Generator
Generate cryptographic hash values from text using supported hashing algorithms.
Use Hash Generator →
MD5 & SHA Generator
Generate MD5 and SHA-family hashes for supported input data.
Use MD5 & SHA Generator →
Converters
Convert common measurements and values quickly without installing additional software.
Length Converter
Convert between common units of length such as meters, kilometers, centimeters, inches, feet, yards, and miles.
Use Length Converter →
Weight Converter
Convert between common weight and mass units such as kilograms, grams, pounds, and ounces.
Use Weight Converter →
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin.
Use Temperature Converter →
Why Use Tostino Tools?
Tostino Tools is designed around a simple idea: useful online utilities should be easy to find and simple to use.
Instead of searching the web for a different tool every time you need to perform a quick calculation, convert a value, format some code, or analyze text, you can find a growing collection of utilities in one place.
Free to Use
Our tools are designed to provide useful functionality without requiring complicated software installations.
Simple Interface
Each tool focuses on the task you need to complete without unnecessary complexity.
Browser-Based
Many tools can perform their tasks directly in your browser, depending on the type of operation.
Mobile Friendly
Tostino Tools is designed to work across desktop computers, tablets, and mobile devices.
Useful for Everyone
The collection includes tools for students, developers, writers, website owners, marketers, creators, businesses, and everyday internet users.
Frequently Asked Questions
Are Tostino Tools free?
Tostino Tools is designed to provide free online utilities for common digital tasks. Individual tools may have their own usage limitations or requirements.
Do I need to install software?
Most browser-based tools are designed to work directly through your web browser without requiring additional software.
Do I need an account?
Many tools can be used without creating an account. If a particular tool requires additional functionality or an account, the tool page will provide the relevant information.
Can I use Tostino Tools on my phone?
Yes. The tools are designed with responsive interfaces so they can be used on smartphones, tablets, and desktop computers.
Are my files uploaded to a server?
This depends on the specific tool. Tools that can process information directly in your browser may not need to upload your data. Always review the individual tool’s information before processing sensitive or private files.
Can I use the tools for commercial projects?
Generally, you can use the results of suitable tools for your own projects, but you should review the terms and any specific limitations stated on the individual tool page.
Are the calculations guaranteed to be suitable for professional use?
Online calculators are provided for general informational and convenience purposes. For important financial, legal, medical, engineering, or other professional decisions, verify calculations and consult an appropriately qualified professional when necessary.
More Tools Coming Soon
The Tostino Tools collection will continue to grow with additional calculators, converters, developer utilities, SEO tools, productivity tools, file utilities, and other practical resources.
If you cannot find the tool you need today, check back regularly as new tools may be added to the collection.
Tostino Tools — Simple tools for everyday digital tasks.