Home/ Free tools

Free Tools for Makers

Small, fast, genuinely-free tools that run entirely in your browser — no login, no limits, nothing stored. Built by the team behind Knocket to make the fiddly parts of getting found and staying reachable painless.

The toolkit

💬 Chat WhatsApp Link Generator

Turn your number into a wa.me click-to-chat link with a prefilled message and a downloadable QR code.

Open tool → ▦ QR QR Code Generator

Encode any link or text as a custom QR code with your brand colors and a center logo. PNG or SVG.

Open tool → 👤 QR vCard QR Code Generator

Make a scan-to-save contact card so people add you to their phone in one tap. Download PNG or .vcf.

Open tool → 🌐 Domains Domain Availability Checker

Check a name across popular extensions with a live RDAP lookup. See what's free before you commit.

Open tool → ✉ Email Email Signature Generator

Build a clean HTML email signature with an optional "Chat with me" button. Copy into Gmail, Outlook, or Apple Mail.

Open tool → ⧉ Embed Embed Code Generator

Generate clean iframe embed HTML for any URL — your Knocket page, a video, a map. Live preview, then copy.

Open tool → 📅 Calendar Booking Link Generator

Turn a meeting into an .ics file and add-to-calendar links for Google and Outlook. Time zones handled for you.

Open tool → ⌨ Typing Typing Speed Test

Type a sample and watch your words-per-minute and accuracy update live. Find your baseline in under a minute.

Open tool → 🔗 Bio Link in Bio for Instagram

Preview a link-in-bio page with live chat, WhatsApp, email, and booking — then make it real for free.

Open tool → 💳 Card Digital Business Card Generator

Build a stunning 3D digital business card with QR code and live chat. Share it as a link or let people scan.

Open tool →

◈ WHO MAKES THESE?

These tools are free because they're how people meet Knocket — the free contact page that puts live chat, WhatsApp, email, and booking behind one link. If a tool here helps you get found, Knocket helps you actually talk to whoever finds you. See the free page →

Why these tools are different

Most "free" online tools want your email, cap you after three uses, or slap a watermark on the result. Ours don't — because the tool is the pitch, not the paywall.

No sign-up, ever — open the page and use it.
No limits, no watermarks, no expiring links.
Runs in your browser — what you type is never uploaded or stored.
Built by people who ship, for people who ship.

Getting found is half of it. Being reachable is the rest.

When someone lands on your link, give them every way to reach you in one place — live chat, WhatsApp, email, and booking, all free.

Create your free page