A private address book and reusable message templates, so you can open a WhatsApp chat with any number without saving it.
Users
9
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#200K
#167K among extensions
Version
1.0.1
updated 23 Aug 2026
Users
monthly, 2 months
Latest, 17 Oct 2026:9 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 17 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Numolo — message any number without saving it
Numolo keeps a small address book and a set of reusable message templates in your browser, and turns them into a ready-to-send message in a couple of clicks.
Type or paste a phone number in any format — with spaces, dashes, brackets, a leading 00, or none of it. Numolo parses it, tells you which country it belongs to before you commit, and refuses to go anywhere if the number isn't valid. Save the people you message often, write the messages you send over and over, and use {name} so each one arrives personalised instead of generic.
Then it opens the chat. No saving the number to your phone first.
WHAT IT DOES
• Validates international numbers as you type, and names the country back to you
• A private address book — saved here only, your phone's contacts are never touched
• Message templates with {name}, filled in from whoever you picked
• Save an address as a map link and drop it into any message
• Recent recipients, kept automatically, and switchable off
• Right-click a number anywhere on the web and message it
• Search, edit, and an undo for every delete
• Light and dark themes, English and Türkçe
• Back up and restore everything as a JSON file
WHAT IT DOESN'T DO
It cannot read your messages, because it never asks for permission to. Numolo requests exactly one permission — storage — plus a warning-free context-menu entry. It has no access to any website, including the chat page itself, and no ability to see what you browse.
It also cannot send anything for you. Numolo prepares the message and opens the chat; you press send yourself. There is no bulk sending, no scheduling, and no automation — those break WhatsApp's terms and get accounts banned.
PRIVACY
There is no server, no account, and no analytics. Everything you save lives in your own browser and nowhere else. Nothing is transmitted anywhere, which also means nobody — including the developer — can see or recover it. Export a backup if you want a copy.
Numolo is not affiliated with, associated with, endorsed by, or sponsored by WhatsApp or its parent company. WhatsApp is a trademark of WhatsApp LLC.