zzenutils

Image tools that never upload your photos

Compress to an exact size for forms and uploads. Everything runs on your device.

Processed on your device. Nothing is uploaded.

Every tool

CompressGet under an exact KB or MB limit.ResizePixels, percent, or print size in cm, mm and inches.ConvertHEIC, WebP, AVIF and PNG to JPG, and back.CropSquare, passport, circle and other shapes.RotateTurn sideways photos upright, or mirror them.

Popular sizes

5KB10KB15KB20KB25KB30KB40KB50KB60KB70KB80KB90KB100KB150KB200KB300KB500KB1MB2MB

Photo & signature sizes

Passport 3.5×4.5 cm3.5×4.5 cm35×45 mm2×2 in600×600 pxSignature 6×2 cmSignature 50×20 mm4×6 in3×4 inWhatsApp DPInstagram 4:5YouTube thumbnailYouTube banner

Formats

HEIC to JPGWebP to JPGPNG to JPGAVIF to JPGJFIF to JPGJPG to PNGWebP to PNGImage to WebPCentimetersMillimetersInchesPercent