Free Image Compressor
Web用に品質を落とさず画像を圧縮します。
Frequently Asked Questions
Is the 画像圧縮ツール free to use?
Yes, the 画像圧縮ツール on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the 画像圧縮ツール work?
Web用に品質を落とさず画像を圧縮します。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the 画像圧縮ツール?
No installation needed. The 画像圧縮ツール runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the 画像圧縮ツール?
Completely safe. The 画像圧縮ツール processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the 画像圧縮ツール work offline?
After the page loads for the first time, the 画像圧縮ツール works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
What image formats does the 画像圧縮ツール support?
The 画像圧縮ツール works with common image formats supported by your browser, including JPEG, PNG, WebP, and GIF. SVG support varies by tool. No format conversion plugin or driver is needed.