Free Online Tools

Private. Instant. No sign-up. Everything runs in your browser.

WhatsApp without saving number

Message any WhatsApp number without saving it to your contacts. Fast, private, free.

WhatsApp Link Generator

Create a shareable wa.me link with custom message for your Instagram bio, website, or business card. Free, instant, with QR code included.

Create Link

Telegram Link Generator

Create a shareable t.me link with custom start message for your Instagram bio, website, or business card. Free, instant, with QR code included.

Create Link

Telegram without saving number

Message any Telegram username or phone number without adding contacts. One smart input field.

Open Telegram

QR Code Generator

Create QR codes for URLs, WiFi, vCard, and text. No signup, no watermark, privacy-first.

Generate QR

Password Generator

Generate strong, cryptographically secure passwords instantly. 100% private, runs locally in your browser.

Generate Password

Online Notepad

Write and save notes right in your browser. No cloud, no sign-up, 100% private. Your data stays on your device.

Open Notepad

Unit Converter

Convert cm to inches, kg to lbs, km to miles, Celsius to Fahrenheit and more. Works offline, 100% private.

Convert Now

WhatsApp Text Formatter

Format WhatsApp messages with bold, italic, strikethrough, and monospace. Live preview, one-click copy. Free and private.

Format Text

Word Counter

Count words, characters, sentences, and reading time. Analyze keyword density for SEO. 100% private — your text never leaves your browser.

Count Words

Fancy Text Generator

Transform text into stylish Unicode fonts for WhatsApp, Telegram, and social media. Bold, italic, script, circled — 13 styles, copy & paste anywhere. Free & private.

Create Fancy Text

Emoji Picker & Keyboard

Search and copy emojis for WhatsApp, Telegram, and social media. 9 categories, keyword search, instant copy. Free & private.

Pick Emojis

What Is OPN Chat?

OPN Chat is a collection of free online tools built with a privacy-first approach. Every tool runs entirely in your web browser — no data is ever sent to our servers. Whether you need to send a WhatsApp message without saving a number, reach someone on Telegram without adding contacts, or use other everyday utilities, OPN Chat provides a fast, private, and sign-up-free experience. The name OPN stands for Online Privacy Network, reflecting our core principle: your data stays with you.

Why People Use OPN Chat

People use OPN Chat for its simplicity and privacy. There are no accounts to create, no personal data to enter, and no ads to close. Each tool does one thing well — open a chat, generate a code, convert a unit — and gets out of your way. All processing happens locally in your browser using official link protocols (wa.me for WhatsApp, t.me for Telegram), so your messages go directly through the official apps. Nothing is intercepted, stored, or tracked.