Legal notice
Last updated: 5 November 2026. This is the disclosure required by Japan's Act on Specified Commercial Transactions (特定商取引法に基づく表記). The Japanese version is the binding one.
| Seller | Shironuki — Shige Mizuno (水野 茂尚, sole proprietor) |
|---|---|
| Address | Ultimate Meieki 1st 2F, 3-4-10 Meieki, Nakamura-ku, Nagoya, Aichi 450-0002, Japan |
| Phone | +81 70-8567-7331 |
| E-mail (contact) | support@shironuki.com |
| Service | Automatic background removal for product photos, delivered in your browser as a transparent PNG and a white-background JPEG. |
| Prices |
Free: $0. Up to 100 photos per calendar month (Japan Standard Time). No sign-up. $4.99 planComing soon: $4.99 per month. Up to 500 photos per month. $7.99 planComing soon: $7.99 per month or $79 per year. Up to 3,000 photos per month, with API access. Prices are in US dollars and apply to orders placed on the English site; sales tax or VAT is added where your country requires it. Orders on the Japanese site are priced in yen (¥500 / ¥980 / ¥9,800 per year, tax included). The paid plans are not yet on sale; this notice will be updated when they open. |
| Other costs | Your own internet connection charges. |
| Payment method | Credit card, processed by Stripe (our contract is with Stripe's Japanese entity). |
| Payment timing | The first charge is made when you complete a paid-plan order; after that, automatically every month (or every year for the yearly price) from the date of the order. If that date does not exist in a month (the 29th, 30th or 31st), you are charged on the last day of that month. |
| Delivery | The free plan is available the moment you open this site. A paid plan is available immediately after the order is completed. |
| Term and renewal | Paid plans renew automatically every month (or every year) until you cancel. |
| Cancellation | You can cancel at any time. The plan stays active until the end of the period you have already paid for. No pro-rated refunds. |
| How to cancel | From your account page after signing in. Payment method and billing history are managed on the same page. |
| Returns and refunds | This is a software service; we do not accept returns or give refunds for a change of mind, except where the law requires it. |
| Cooling-off | As a distance sale, this service is outside Japan's cooling-off scheme. |
| What you receive | The right to use a browser-based service. Nothing is shipped. |
| Receipts | Your credit card statement serves as the receipt. |
| Requirements | A current version of Safari, Chrome, Edge or Firefox on a phone, tablet or PC. Photos up to 20 MB each in JPEG, PNG, HEIC, WebP, GIF or BMP. |
| Support | By e-mail (above), on a best-effort basis, for how the service works. We do not guarantee the result on any particular photo or fitness for a particular purpose. |
| Order deadline | None. Orders are accepted at any time. |
Published under Article 11 (advertising in mail-order sales) and Article 12-6 (display on receiving a specified application) of Japan's Act on Specified Commercial Transactions.