Password-Protected ZIP Creator (yamada-tools.jp)
Create password-protected ZIP files for free. Compress and encrypt multiple files directly in the browser with no registration required. Files are automatically deleted after 60 minutes.
Grid Split (yamada-tools.jp)
Free online image splitter that divides a single image into grid sections. Supports presets such as 2×2, 3×3, and 4×4 as well as custom layouts. Download each section individually or all at once as a ZIP file. All processing is done in the browser.