Image Converter

Convert HEIC, WebP, PNG, JPG and AVIF images to JPG, PNG or WebP without uploading them.

Drop images here or paste them, or

Your images never leave your device

Processed in this browser · JPG, PNG, WebP, GIF, BMP, AVIF or HEIC · up to 50 at a time

Output format

Quality90

Lower is smaller; above 90, files grow quickly for little visible gain.

Keep metadata

Keep location

Converts images between formats: iPhone HEIC photos and WebP images from websites to JPG, screenshots to PNG, or photos to the smaller WebP and AVIF. It reads JPG, PNG, WebP, AVIF, HEIC, GIF and BMP. Add up to 50 images at once and download them singly or as a ZIP. Images are converted in your browser and never uploaded.

How to use it

Output format is JPG by default, or PNG, WebP or AVIF. A format this browser cannot save is shown but cannot be chosen, with the reason beside it: many browsers cannot save AVIF yet, and Safari cannot save WebP. A file already in the chosen format is saved again, and says so.

Quality (1–100, default 90) applies to JPG, WebP and AVIF. At 90 most photos show no visible difference; lower values give smaller files with more visible blur. PNG is lossless and has no quality setting. Background colour, shown when an image with transparency is saved as JPG, fills its transparent areas, which JPG cannot hold.

Keep metadata (off by default) copies the photo's camera details into the new file. With it off, the file carries none. Keep location also keeps the GPS position where the photo was taken.

Each file shows its size before and after and any notes, such as a file that grew, with what would make it smaller. Drag the divider on the preview to compare the result with the original, and zoom to 100% or 200% to see detail at its real size; drag the zoomed image, or use the arrow keys, to move around it. Changing an option redoes the files, the one on show first. Downloads are named after the original with -converted added; with several files, Download all saves them as one ZIP. Options are remembered on this device, and Reset options puts them back to the defaults.

What happens to the image

Each image is decoded, drawn upright and saved afresh in the new format. The orientation the camera recorded is applied to the pixels, and the colours are converted to standard sRGB, so a photo in a wide colour space (Display P3, as recent iPhones record) can look slightly less vivid. Transparency is kept in PNG, WebP and AVIF.

With Keep metadata on, the EXIF block (camera and lens, exposure settings, date taken) is copied into the new file and corrected to fit it: the orientation is reset, since the pixels are already upright; the pixel dimensions are updated; the colour space is set to sRGB. The embedded preview image, the maker notes (the camera brand's private data) and any XMP or IPTC metadata are left out. Without Keep location, the GPS position is removed too. AVIF files are saved without metadata.

Examples

A batch of iPhone photos to JPG

File: IMG_4021.HEIC
Options: Defaults (JPG, Quality 90)
Download: IMG_4021-converted.jpg

Each photo downloads under its own name; with several, Download all saves them together as a ZIP.

A HEIC burst or edited photo

A HEIC file can hold more than one image. Only the main one, the image a phone shows for the file, is converted, and the file is marked “Holds 2 images: only the main one is used.”

Image formats compared

What each format stores, and where it opens

Format	Compression	Transparency	Animation	Opens in	Saved by this tool
JPG	Lossy	No	No	Everywhere	Yes
PNG	Lossless	Yes	Yes	Everywhere	Yes
WebP	Lossy or lossless	Yes	Yes	Current browsers and most apps	Yes
AVIF	Lossy or lossless	Yes	Yes	Current browsers; fewer apps	Yes
HEIC	Lossy	Yes	Yes	Apple devices, Safari, recent Android; Windows with an extension	No
GIF	256 colours	Yes	Yes	Everywhere	No

Frequently asked questions

No. Your browser reads, converts and saves the images on your device; they are not sent to CornerTools or anyone else. To check, open the browser's developer tools at the Network tab and add an image: no request carries it. The first HEIC photo you add downloads a decoder from this site: a download to your browser, not an upload of your photo.

Yes, by default: converted files carry no metadata at all. With Keep metadata on, the camera details are copied but the GPS position is not, unless Keep location is on as well. The result says when a location was removed.

JPG for photos that must open anywhere, such as forms, email and print shops. PNG for screenshots, logos and anything with sharp edges, text or transparency. WebP or AVIF for images on a website: they keep the same look in a smaller file, and AVIF is usually the smallest.

No. Only the first frame is converted, and the file says so.

HEIC stores photos more compactly than JPG at the same quality, so the JPG is usually larger. Lower the Quality, or use the Image Compressor to reach a size in KB.