Compatibility8 min read
Open and convert HEIC photos on Windows and iPhone
Understand HEIC, choose JPG or PNG, and convert iPhone photos locally without unnecessary quality loss using practical browser settings.
Read the guideImage format and conversion guides
Practical methods to choose a format, reduce file size, preserve transparency, and protect information embedded in your images.
All guides
Formats10 min read
WebP, AVIF, JPG or PNG: which format should you use?
Compare compression, transparency, animation, compatibility, and use cases to select the right image format for web delivery and sharing.
Read the guideOptimization9 min read
Reduce image file size without visible quality loss
A practical method for balancing dimensions, quality, compression, and format for each destination without unnecessary visual damage.
Read the guideProductivity7 min read
Batch convert images and download one ZIP file
Prepare a consistent batch, avoid mismatched settings, and receive the results in one archive without triggering repeated downloads.
Read the guidePrivacy8 min read
EXIF, GPS metadata, and image privacy
Learn what a photo can contain, when to remove metadata, and when preserving it is useful before sharing or archiving an image.
Read the guideTransparency7 min read
Preserve transparency with PNG, WebP, and AVIF
Avoid unwanted black or white backgrounds and choose the right format for logos, icons, and cutouts without creating edge halos.
Read the guideAdvanced formats9 min read
Multipage TIFF, PDF, and animated images: what is actually converted?
Distinguish files, pages, and frames to avoid losing document pages, editable layers, or animation timing in a fixed output.
Read the guideDimensions9 min read
Image dimensions, resolution, and DPI for web and print
Understand pixels, PPI, and DPI, then choose suitable dimensions for screens, email, and print without distorting the image.
Read the guideTestable recommendations, not universal recipes
Each guide separates format properties, actual converter behavior, and decisions that depend on the destination. Technical sources are listed, limitations are visible, and suggested settings remain starting points to verify on your own files.