Free Online Tools for Everyone
ToolPuma provides free online tools for image, PDF, text, SEO, developer, conversion and everyday tasks. Fast, simple and free to use.
Popular Tools
Percentage Calculator
Free online percentage calculator tool.
Word Counter
Calculate characters, words, and sentences in text.
UUID Generator
Generate random secure UUID v4.
RAG Chunking Calculator
Plan chunk size and overlap for RAG pipelines.
Pythagorean Theorem Calculator
Free online pythagorean theorem calculator tool.
Calculator
Standard four-function calculator.
SHA-1 Generator
Free online SHA-1 hash generator.
JWT Decoder
Decode the header and payload of a JWT token.
Color Contrast Checker
Check the contrast ratio between two colors.
Security Headers Checker
Verify the presence of essential security headers.
Material Color Generator
Generate a full Material Design color scale.
LLM Token Cost Calculator
Estimate the cost of LLM token usage across models.
HTML Entity Decoder
Convert HTML entities back to text.
HEX to HSL
Convert a hex color code into HSL values.
Frequency Converter
Convert frequency between hertz, kilohertz, RPM and more.
Email Syntax Checker
Validate the format of an email address.
Cylinder Calculator
Free online cylinder calculator tool.
Complementary Color Generator
Find complementary and split-complementary colors.
Area Converter
Convert area units including m², ha, ft², and acres.
Random Color Generator
Generate random colors with HEX, RGB, and HSL values.
Categories
Explore Tools by Category
Browse through our curated collections of powerful tools.
Total Free Tools Available
We are constantly adding new utilities to help developers and students solve everyday problems faster.
Mathematics
Daily mathematical calculations and converters.
Cryptography
Encryption, hash generation, and security tools.
Internet
Network utilities, URL converters, and IP tools.
Text
Text processing, analysis, and conversion tools.
Color & Design
Color pickers, palettes, CSS generators, and contrast tools.
Developer Tools
Formatters, encoders, base converters, and dev utilities.
Converters
Unit, number system, and color conversion tools.
Security & Privacy
Password, network, SSL, and web security analysis tools.
AI & LLM Tools
Token counters, LLM cost calculators, and AI model tools.
Directory
All Tools
A comprehensive list of every tool available on ToolPuma.
Calculator
Base Converter
Percentage Calculator
Average Calculator
Trapezoid Calculator
Prime Number Checker
Fraction Simplifier
Mixed Number Calculator
Percentage Increase Calculator
Percentage Decrease Calculator
Percentage Difference Calculator
Ratio Calculator
Proportion Calculator
Factorial Calculator
Square Root Calculator
Cube Root Calculator
✨ New Tools
Recently added to ToolPuma
Why ToolPuma?
We built ToolPuma to be the fastest, most reliable set of utilities on the web.
- Fast
No unnecessary waiting. Tools load instantly and run efficiently.
- Private
Your files are processed securely in your browser and never uploaded to our servers.
- Free
No subscriptions, no hidden fees, and no account required to use any tool.
- Online
Works directly in your modern web browser on desktop, tablet, and mobile.
From the Blog
Latest Articles & Guides
Discover tips, tutorials, and insights to get the most out of ToolPuma and level up your skills.

What is SHA-256 and How Does it Power Bitcoin?
Discover the mechanics behind SHA-256, the cryptographic hash function created by the NSA that secures global communications and powers the entire Bitcoin network.

The Ultimate Guide to Converting Hexadecimal to Binary
Demystify base-16 and base-2 numbering systems. Learn the simple trick to instantly convert Hexadecimal directly into Binary data without complex math.

How to Quickly Calculate Percentage Decrease for E-Commerce Sales
Master the formula for calculating percentage decrease. Learn how to track sales drops, bounce rate reductions, and operational efficiencies with our quick guide.
Free Online Tools for Everyday Tasks
ToolPuma is a collection of free online tools designed to make everyday digital tasks faster, easier, and more accessible. Whether you need to compress an image, convert a file, format text, calculate a value, generate a QR code, or work with developer utilities, ToolPuma provides simple browser-based tools without requiring additional software.
Image and Media Tools
Compress, resize, convert and optimize images directly in your browser. ToolPuma includes useful utilities for JPG, PNG, WebP and other common formats, helping users reduce file sizes, convert image formats and prepare images for websites and social media.
PDF and Document Tools
Work with PDF files using convenient online utilities. Depending on the available tools, users can merge, split, compress, convert and process PDF documents without installing desktop software.
Developer Tools
ToolPuma also provides utilities for developers and technical users, including JSON formatting, encoding and decoding, hashing, URL utilities, timestamp conversion and other common development tasks.
Text Tools and Generators
Quickly count words and characters, transform text, generate useful strings and perform common text-processing tasks. These tools can be useful for students, writers, marketers, developers and everyday users.
Calculators and Converters
Perform everyday calculations and unit conversions in seconds. ToolPuma can provide calculators for percentages, dates, numbers and other common tasks, together with converters for units, time, data and more.
Free Tools That Work in Your Browser
Many ToolPuma utilities are designed to work directly in the browser. Where a tool processes information entirely on the client side, data can remain on the user's device rather than being uploaded to a remote server.
Frequently Asked Questions
Find answers to common questions about using ToolPuma.
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