Simple tools for online forms and everyday numbers
Resize photos to the exact KB your form needs, work out loan EMIs, and more. Free, fast, no sign-up, and your files never leave your device.
Resize a photo nowImage Tools
- Resize Photo in KBShrink any photo to the exact file size an online form asks for.
- Signature ResizerMake your signature upload-ready: crop it, turn grey paper pure white, darken the ink, and resize it to the KB limit your form asks for..
- Passport Photo MakerTurn any clear photo into passport-size photos, then print several copies on one sheet at a photo shop or at home, and save money on every print..
- Image ConverterChange any image to JPG, PNG or WebP in seconds, including iPhone HEIC photos.
- Crop & Rotate ImageStraighten a sideways photo, mirror a selfie, or crop to exactly the part you need.
PDF Tools
Calculators
Why use Simple Tools World
- PrivateEverything runs in your browser. Nothing is uploaded.
- AccurateExact KB sizes for forms and bank-standard EMI maths.
- Works on phonesBuilt for mobile first, even on slow connections.
- FreeNo sign-up, no watermark, no limits on basic use.