1, sign your name on the white paper, just sign it according to the normal size, there is no special requirement, then take pictures with the camera or scan it, but to ensure the clarity of the original picture, only good raw materials can produce good works.

2. Open the picture with PS software.

3. Find the image, adjust and threshold.

4. Adjust to the appropriate threshold color scale.

5. After adjustment, save it.

However, this similar method of making electronic signatures is actually invalid for the signing of official documents. Only the electronic signature made through the public signature platform has real and formal legal effect. The usual electronic signature styles are good, but they are not suitable for signing official documents.

Electronic signature refers to the data contained in the data message in electronic form and accompanied by data used to identify the identity of the signer and show that the signer approves its content. Generally speaking, electronic signature is an electronic signature of electronic documents through cryptographic technology, which is not a digital visualization of written signature, but similar to handwritten signature or seal, and can also be said to be an electronic seal.