diff --git a/backend/src/main/resources/images/imagesAnimals/birds.jpg b/backend/src/main/resources/images/imagesAnimals/birds.png
similarity index 100%
rename from backend/src/main/resources/images/imagesAnimals/birds.jpg
rename to backend/src/main/resources/images/imagesAnimals/birds.png
diff --git a/backend/src/main/resources/images/test.jpeg b/backend/src/main/resources/images/test.jpg
similarity index 100%
rename from backend/src/main/resources/images/test.jpeg
rename to backend/src/main/resources/images/test.jpg
diff --git a/backend/src/main/resources/imagesTest/aube.jpg b/backend/src/main/resources/imagesTest/aube.jpeg
similarity index 100%
rename from backend/src/main/resources/imagesTest/aube.jpg
rename to backend/src/main/resources/imagesTest/aube.jpeg
diff --git a/backend/src/main/resources/imagesTest/imagesAnimals/birds.jpg b/backend/src/main/resources/imagesTest/imagesAnimals/birds.png
similarity index 100%
rename from backend/src/main/resources/imagesTest/imagesAnimals/birds.jpg
rename to backend/src/main/resources/imagesTest/imagesAnimals/birds.png
diff --git a/backend/src/main/resources/imagesTest/test.jpeg b/backend/src/main/resources/imagesTest/test.jpg
similarity index 100%
rename from backend/src/main/resources/imagesTest/test.jpeg
rename to backend/src/main/resources/imagesTest/test.jpg