Keep key/message images lossless (PNG)

app.py

@@ -120,21 +120,21 @@ with gr.Blocks() as app:
                 with gr.Tab("Gen Wal"):
                     gen_wal_btn=gr.Button("Generate Wallet")
                     seed = gr.Textbox(label='Seed Phrase')
-                    img1=gr.Image(type='pil', label='Private Key')
+                    img1=gr.Image(type='pil', format='png', label='Private Key')
                     out1 = gr.Textbox(label='Private Key',max_lines=4)
-                    img2=gr.Image(type='pil', label='Public Key')
+                    img2=gr.Image(type='pil', format='png', label='Public Key')
                     out2 = gr.Textbox(label='Public Key',max_lines=4)
-                    img3=gr.Image(type='pil', label='Address')
+                    img3=gr.Image(type='pil', format='png', label='Address')
                     out3 = gr.Textbox(label='Address')
                 with gr.Tab("Encrypt"):
                     rsa_to_enc = gr.Textbox(label="txt to encrypt")
-                    pub_key_in = gr.Image(label="Public Key", type="filepath")
+                    pub_key_in = gr.Image(label="Public Key", type="filepath", format="png")
                     rsa_enc_btn = gr.Button("RSA Encrypt")
                     rsa_enc_mes = gr.Textbox(label="encoded", max_lines=4)
-                    qr_enc_mes = gr.Image(type="filepath")
+                    qr_enc_mes = gr.Image(type="filepath", format="png")
                 with gr.Tab("Decrypt"):
-                    mes_in = gr.Image(label="Message", type="filepath")
-                    priv_key_in = gr.Image(label="Private Key", type="filepath")
+                    mes_in = gr.Image(label="Message", type="filepath", format="png")
+                    priv_key_in = gr.Image(label="Private Key", type="filepath", format="png")
                     rsa_dec_btn = gr.Button("RSA Decrypt")
                     rsa_dec_mes = gr.Textbox(label="decoded")
         gr.Column()