Click to chat [small, no ads] 3.1.1 APK Download by TrianguloY

Disclaimer: This application is not affiliated with or endorsed by WhatsApp Inc.
Previous name: “Open in WhatsApp (click to chat)”, changed to comply with WhatsApp instructions.

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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: play.google.com/store/apps/details?id=com.trianguloy.openInWhatsapp.donation ]

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

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

Initially, this link was longer and harder to remember, so I made this tiny application to help with the process.

Since then I have added many features (enter message, share link, country code list, 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 smallest application possible. This means that there is no extra irrelevant content, no extra libraries and junk. Currently, its size is about 100 KB = 0.1 MB. Less than a typical picture!
2) Use as few rights as possible. Only the create_shortcut license 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 bad things.

If you want a small tool to help you open numbers on WhatsApp, try it. If you prefer an application 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) and Steven Felix !

Rights used:
SHORTCUT: To create shortcuts in the launcher.
-Nothing else- (not necessary)

Apk Size:
~ 100 KB (0.1MB)