Don't like ads? Go Ad-Free Today

IO Tools

ADVERTISEMENT · REMOVE?

Atbash Cipher

What is Atbash Cipher? Atbash is a simple substitution cipher originally used for the Hebrew alphabet. It reverses the alphabet: A becomes Z, B becomes Y, and so on. Like ROT13, applying Atbash twice returns the original text. Original A B C … X Y Z Atbash Z Y X … C B A Key ...

Try the Tool »

URL Encoder/Decoder

What is URL Encoding? URL encoding (percent-encoding) converts special characters into a format safe for URLs. Characters like spaces, &, and = are replaced with percent-codes (e.g., space becomes %20). Character Encoded space %20 & %26 = %3D ? %3F Key Features Encode text for safe URL usage Decode percent-encoded strings back to text Real-time ...

Try the Tool »

Morse Code Translator

What is Morse Code? Morse code is a method of encoding text using dots (.) and dashes (-) to represent letters and numbers. Invented by Samuel Morse in the 1830s for telegraph communication, it remains useful today for emergency signaling and amateur radio. Letter Morse Letter Morse A .- N -. B -… O — ...

Try the Tool »

Caesar Cipher

What is Caesar Cipher? The Caesar cipher is one of the oldest known encryption techniques, named after Julius Caesar who used it for military communications. It works by shifting each letter in the text by a fixed number of positions in the alphabet. Shift Example (HELLO) 1 IFMMP 3 KHOOR 13 (ROT13) URYYB How It ...

Try the Tool »

ROT13 Encoder/Decoder

Encode and decode text using the ROT13 cipher - a simple letter substitution that replaces each letter with the one 13 positions after it in the alphabet.

Try the Tool »

CSS Cubic Bezier Generator

Create custom CSS cubic-bezier timing functions with an interactive visual editor. Drag control points, preview animations in real time, and copy production-ready CSS code instantly. Free, fast, and client-side secure.

Try the Tool »

Hashtag Generator

Generate the perfect hashtags in seconds with our free Hashtag Generator. Just enter a keyword or topic, choose the number of hashtags, and get AI-powered suggestions to boost your reach and engagement on social media.

Try the Tool »

Numeronym Generator

Easily create numeronyms with our free Numeronym Generator. Convert long words into compact numeric abbreviations and save time in writing

Try the Tool »

CSS Gradient Generator

Create beautiful CSS gradients instantly with our free CSS Gradient Generator. Customize colors, directions, and styles, then copy the code for your projects.

Try the Tool »

User Agent Parser

Instantly parse any user agent string with the User Agent Parser tool. Identify browser, version, engine, and OS details accurately in one click. Free, fast, and client-side secure.

Try the Tool »

IPv4 Subnet Calculator

se the IPv4 Subnet Calculator to quickly and accurately determine the network address, broadcast address, subnet mask, and host range for any given IP address and CIDR notation. Simplify your network planning with this essential tool.

Try the Tool »

Integer Base Converter

Easily convert numbers between binary, octal, decimal, hexadecimal, and Base64. Perfect for programmers, students, and anyone working with different numerical systems.

Try the Tool »

IPv6 ULA Generator

Generate RFC 4193 compliant IPv6 Unique Local Address (ULA) prefixes for private networks. Free online tool for creating statistically unique IPv6 address blocks using MAC address input. Perfect for network administrators and DevOps professionals.

Try the Tool »

String Obfuscator

Quickly hide or mask sensitive strings such as emails, IDs, or codes—show only the first and last few characters while keeping data private.

Try the Tool »

Text to ASCII Binary

Instantly convert any text string into ASCII binary representation. Perfect for developers, students, and anyone working with binary data encoding. Simply paste your text and get the corresponding binary code.

Try the Tool »

OTP Code Generator

Generate secure one-time passwords (OTPs) instantly with our free online tool. Simple, fast, and no registration required. Enhance your account security now.

Try the Tool »

Keycode Info

Detect JavaScript keycodes, key values, and modifiers instantly. Find keyCode, code, location properties for any pressed key in real-time.

Try the Tool »

Random Port Generator

Generate random port numbers above 1023 for network applications. Get available ports instantly for testing, development, and server configuration.

Try the Tool »
Want To enjoy an ad-free experience? Go Ad-Free Today

Install Our Extensions

Add IO tools to your favorite browser for instant access and faster searching

Add to Chrome Extension Add to Edge Extension Add to Firefox Extension Add to Opera Extension

Scoreboard Has Arrived!

Scoreboard is a fun way to keep track of your games, all data is stored in your browser. More features are coming soon!

ADVERTISEMENT · REMOVE?
ADVERTISEMENT · REMOVE?
ADVERTISEMENT · REMOVE?

News Corner w/ Tech Highlights

Get Involved

Help us continue providing valuable free tools

Buy me a coffee
ADVERTISEMENT · REMOVE?