Disclaimer: This app is not affiliated with nor endorsed by WhatsApp Inc.
Previous name: "Open in WhatsApp (click to chat)", changed to comply with WhatsApp guidelines.

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[Note: being a free without ads nor purchases app, the progress and updates are based on the reception and support from you. There is a donation version that you can buy to help the development: https://play.google.com/store/apps/details?id=com.trianguloy.openInWhatsapp.donation ]

[New: There is now a web version, compatible with WhatsApp Web: https://trianguloy.github.io/OpenInWhatsapp_Web/ ]


Did you know you can open a chat in WhatsApp with any number without saving first into contacts by opening in your browser the link 'wa.me/123456789' (using the prefix+number desired)?
Source: https://faq.whatsapp.com/en/android/26000030/

Originally that link was longer and more difficult to remember, so I made this tiny app to help in the process.

Since then I have added multiple functionalities (enter message, share link, list of country codes, create shortcut, save recent and pinned, open recent calls via add-on, and a few more) but always with these three principles:
1) Make the smaller app possible. This means no extra unrelated content, no extra libraries and no useless things. Currently its size is around 100KB=0.1MB. Less than a standard picture!
2) Use as few permissions as possible. Only the create_shortcut permission is used, nothing else! (no calls, no storage, no internet).
3) No ads. I hate ads. I will never add ads, adware, spyware, user tracking or other nasty stuff.


If you want a small tool to help you open numbers in WhatsApp, try it. If you prefer an app that sends your data to Google, there are clones out there.

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Translation:
Thanks to Timofey Lisunov, Matheus Damacs, Yusuf Emen, Benjamin Yılmaz Çetiner, Richard Anderson (Hirai RCD), Aditya, Armand Secco, Yoni Cohen jonbir3, MageshBabu K (mage1k99), artmann (Dwi Legowo), Steven Felix and mezysinc for the translations!

Permissions used:
SHORTCUT: To create shortcuts in the launcher.
-Nothing else- (they aren't necessary)

Apk size:
~100 KB (0,1MB)