🇯🇵 Built for Expats & Foreigners in Japan

Free Profit & Fee Calculators for
Mercari, Yahoo Auctions & Rakuma

Calculate profits, compare fees, and optimize your listings on Japanese flea market apps. All tools are free and work instantly in your browser.

100% Free

All tools are completely free with no hidden costs

No Registration

Use instantly without creating an account

20+ Tools

Everything you need for selling on Japanese apps

One-Click Japanese Greetings

Copy and paste these common phrases for Mercari and Yahoo Auctions transactions

First Message

はじめまして。こちらの商品を購入させていただきました。よろしくお願いいたします。

Nice to meet you. I have purchased this item. Thank you in advance.

Shipped Notice

本日発送いたしました。到着までもうしばらくお待ちください。

I shipped it today. Please wait a little longer for arrival.

Received Thanks

商品が届きました。迅速な対応ありがとうございました。またよろしくお願いします。

The item arrived. Thank you for your quick response. Hope to deal with you again.

Delay Apology

発送が遅れており申し訳ございません。〇〇日までには発送いたします。

Sorry for the delay in shipping. I will ship by [date].

Polite Decline

申し訳ございませんが、お値下げは難しい状況です。ご理解いただけますと幸いです。

I'm sorry, but it's difficult to lower the price. I hope you understand.

Supported Platforms

Our tools work with all major Japanese flea market apps

Mercari

Fee: 10%

22M+ users

Yahoo Auctions

Fee: 10%

18M+ users

Rakuma

Fee: 6%

5M+ users

PayPay Flea Market

Fee: 5%

3M+ users

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