Free WhatsApp tools for bulk sending
Three small, focused utilities for the jobs that come up before you send anything: turning a number into a shareable chat link, checking what a personalised message actually looks like, and working out a daily sending volume you can live with.
Last updated: 12 October 2026
WhatsApp link generator (wa.me link + QR code)
Turn a phone number into a click-to-chat wa.me link with an optional pre-filled message, then download the matching QR code as a PNG. Useful for print flyers, shop windows, email signatures and contact pages where you want someone to start the chat for you.
WhatsApp message personaliser
Paste your spreadsheet and a message template with {name} placeholders, and see exactly what every recipient would receive before anything is sent. It flags rows with a broken number and placeholders that do not match a column, then lets you copy the whole set or download it as a CSV.
WhatsApp bulk sending limit calculator
Put in your list size, the gap between messages, your daily cap and how many hours a day you can send. You get messages per hour, a realistic daily volume, how many days the list will take and an estimated finish date, plus a plain-language warning if your settings look risky.
Open the calculator →Why these are free and private
Every one of these tools runs entirely inside your browser. There is no server receiving your number, your list or your message: the page is a set of ordinary HTML and JavaScript files, and the arithmetic happens on your own device. That means nothing is uploaded, nothing is stored on our side, and there is no account to create and no usage limit to hit.
It also means you can check the work. The link generator builds the same wa.me URL that WhatsApp itself documents, the personaliser is a small text-matching routine, and the calculator is arithmetic you can follow on paper. None of them send messages on your behalf — they only help you prepare. When you are ready to send to a whole list, that is what the extension does, from the WhatsApp Web session you are already signed into.
Ready to send, not just prepare?
WhatsApp Auto Sender Studio sends personalised messages in bulk from your own WhatsApp Web session — no WhatsApp Business API, no server, no copy-paste.
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