Does editing EXIF data change the image quality?

No. EXIF data is stored separately from pixel data inside the file. Editing metadata with this tool does not re-compress the image or change its visual quality.

Why is EXIF writing only supported for JPEG?

EXIF writing is handled by the piexifjs library, which supports the JFIF/JPEG container format. PNG and WebP use different container formats that piexifjs cannot write. Reading works for all image types.

Can I edit the GPS coordinates?

GPS data is shown as read-only in this tool. Editing GPS involves writing complex rational number arrays into the GPS IFD, which requires precise formatting. Use ExifTool for GPS editing.

Will the edited file keep the original EXIF fields I didn't change?

Yes. The tool reads the full EXIF structure first, applies only the fields you edited, and writes the complete structure back. Fields you leave blank will retain their original values if they existed.

Is my image uploaded to a server?

No. All EXIF reading and writing is done entirely in your browser using JavaScript. Your image file never leaves your device.

Images Tool Box

Utilities

EXIF Editor Online Free

Read and edit the metadata embedded inside your JPEG photos without installing any software. Change artist credits, copyright notices, image descriptions, and camera settings. All processing happens locally in your browser — your files never leave your device.