Every MiniAppStar tool is free, works on your phone, and runs in your browser — your files are never uploaded.
- Compress Photo to Exact KB
- Signature Resizer
- Age Calculator
- Exam Age Eligibility Checker
- Passport Photo Maker
- JPG to PDF
- Photo + Signature Combiner
- Days Between Dates Calculator
- Percentage Calculator
- Image Resizer in Pixels
More exam tools and guides are added every week.