offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Moon Phase Calendar
Check the moon phase and illumination percentage for any date. Ideal for photographers, astronomers, and night-time planners.
Free to use, no watermarks, runs in your browser—nothing uploads to our servers
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.