Any one know PWA, to save file into storage then load it

please give me the opportunity to do your job. I will do my best effort. . I know PWA I can store file on local cache. please ping me . . . . Greetings! My name is Kamlesh Kumar and I am a full-stack web developer. I believe my skills match your project. I have a good grasp of working with PHP. I see your job description. I am ready to start working right now. I would be easily able to achieve the task. I believe communication is the key to every successful project. I look forward to discussing your project with you. Sincerely, Kamlesh Kumar