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Free Online Tools

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

💬 Messengers

⭐ Popular

WhatsApp without saving number

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

Open WhatsApp

Telegram without saving number

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

Open Telegram

Viber without saving number

Message any Viber number without saving it to your contacts. Uses official Viber deep link. Fast, private, free.

Open Viber

Signal without Saving Number

Open a Signal chat without adding a contact. Uses the official signal.me link.

Open Signal Chat

KakaoTalk without Saving Number

Open a KakaoTalk chat without adding a contact. Uses the official Kakaotalk deep link. Fast, private, free.

Open KakaoTalk

Instagram DM Link Generator

Generate official ig.me direct message links and profile links. Start Instagram chats without saving contacts. Fast, free, private.

Open Generator

🔗 Link Generators

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

📱 WhatsApp Tools

WhatsApp Chat Widget

Generate a floating WhatsApp chat widget for your website. Customize colors, position, and welcome message. Free embed code, no sign-up.

Create Widget

WhatsApp Text Formatter

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

Format Text

Broadcast Link Generator

Generate wa.me links for multiple contacts at once. Send the same message to many people — without saving numbers.

Generate Links

✏️ Text Tools

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

Word Counter

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

Count Words

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

🛠️ Utilities

⭐ Popular

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

Unit Converter

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

Convert Now

Emoji Picker & Keyboard

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

Pick Emojis
🆕 New

PDF Merger

Merge multiple PDF files into one. Free, private, no upload required — works entirely in your browser.

Merge PDFs
🆕 New

Pomodoro Timer

Stay focused with timed work sessions. Boost productivity using the Pomodoro Technique.

Start Timer

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.