The Licra anti-racist campaign developed the app, which was launched Tuesday, Radio France Internationale said.
The app was also presented to the press at the digital economy ministry Tuesday.
Users can photograph racist graffiti and send the pictures to Licra, which will then contact the local council to get the graffiti removed.
Licra will also create a map of racist graffiti in France and submit a report to authorities, RFI said.
"A tip-off of a racist tag is not an infringement of liberties," Digital Economy Minister Fleur Pellerin said, explaining her decision to sponsor the app. "This is not a mechanism for informers but for reporting."
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