Image format guide

Convert images for the format your destination accepts.

Start with the file you have, then pick the output the form, marketplace, or website asks for. These converters process files on the server; each tool shows its own limits before you start.

iPhone photosEveryday web formatsAVIF and modern deliveryOlder image files

iPhone photos

Use these when a HEIC or HEIF photo is rejected by a form or app. Keep the original if you need Live Photo motion or camera metadata.

HEIC to JPG

For JPG-only forms and broad compatibility. Adjust JPG quality and download batches as a ZIP.

HEIC to PNG

For a destination that asks for PNG. Expect a different file size from JPG.

HEIC to WebP

For web workflows that accept WebP. Check the output before publishing.

Everyday web formats

Choose the format required by the place where the image will be used. Re-encoding changes bytes and may change visible detail.

PNG to JPG

For a JPG-only destination; transparent areas become white.

JPG to WebP

For a site that accepts WebP. Compare the resulting bytes with the original.

WebP to JPG

For a form or app that will not accept WebP.

PNG to WebP

For a web image that needs WebP while keeping transparency where supported.

AVIF and modern delivery

AVIF is useful where it is supported. Convert to a requested format when the destination rejects it; compare colors and detail after export.

AVIF to JPG

For JPG-only uploads; transparency becomes white and HDR appearance may change.

AVIF to PNG

For a PNG workflow that needs an AVIF still image as input.

JPG to AVIF

For a destination that accepts AVIF; the original JPG detail cannot be restored.

Older image files

Move older image formats into a requested JPG workflow. Large sources and multi-page files may need extra checking.

BMP to JPG

Turn a BMP still image into a JPG for sharing.

TIFF to JPG

Create a JPG from a TIFF; check which page or frame was exported.

Need a KB limit or pixel dimensions too?

Changing format alone does not guarantee a specific file size or width and height. The target-size tool shows the actual output bytes and pixels. For ordinary batch compression or resizing, use the dedicated tools.

Match KB and pixel limitsCompare compression optionsResize by pixels