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Email Spoofing Countermeasures / Domain Security Check | Certadomain

From DMARC, SPF, and DKIM configuration diagnostics to phishing judgment and subdomain search. You can comprehensively check domain security all at once.

AI Email Reply Support App

Just paste the email. AI will understand the content and create a reply draft.

napps - Permanent Free Tool Collection with Entertainment

A collection of 100+ tools that are permanently free and easy to use anytime. Convenient items for when you need a little help.

Replyy

Reply quickly, but safely. Just paste a difficult email and we'll organize the priority, risk, and response options for you.

Subscription Organizer | Check Monthly and Annual Fees at a Glance

A web tool that lets you easily check your monthly and annual fixed costs by simply selecting the subscriptions you're currently using. No login or membership registration required—you can use it right in your browser. Perfect for people who want to start by simply organizing their growing subscription payments.

IPchanger

Software that can change a PC's IP address with one click

SMM Smart — SMMビジネスを自動化するパネルプラットフォーム

No inventory needed, no programming required. Even as a sole proprietor, you can start an SNS marketing resale business today. First, try our risk-free 7-day trial to see if it really sells.

MemoLinker

Save and organize URLs at lightning speed. A memo app where you can add items with one tap from a shared sheet.

yomitech - Technical books featured on Qiita delivered by email

Deliver technical books introduced on Qiita via email every Monday

AV Alert - Email delivery of new releases and sale information for adult videos

Email delivery of new releases and sale information for adult videos

to thumbnail

Create a YouTube thumbnail from typed words (background by AI, text by program)

Memokata App

This is an app that lets you organize screenshots in a fun, game-like way! You can use it for free with no ads!

sticker book

Let's create a digital stamp collection!

Biz Reply

Business replies faster and more naturally with AI

Multi-function video editing

Zero Data Leakage Browser-Based Video Editing Features 🔹Frame-by-frame playback 🔹Trimming 🔹Audio separation 🔹Photo conversion

Minori

1. Just ask AI, and work reaches remote workers. New task matching 2. Your "request" becomes someone's job. Task matching for remote workers 3. Leave ordering to AI. Remote workers and work

Easy Daily Report

A business app that allows you to submit and confirm daily reports via LINE.

e-colleague

SUGUDASU lottery

A free tool that conducts a lottery without uploading a roster externally and can also save evidence as a PDF.

SUGUDASU (quick release)

Complete in your browser only. No registration required. Input data is not sent externally. Handle the practical tasks that freelancers, store owners, office workers, and event organizers want to finish quickly—all within this browser.

Information Leak Checker

Simply select the service you used, and you can find out which of your information has been leaked.

Map to List - Lead generate workspace -

Creating sales and attack lists, exploring inquiry forms, creating maps, and AI auto-generation of proposals tailored to the company

PicSum

Simply, quickly, image management

PDF・書類一括処理ツール

Combine, split, and convert PDFs in bulk within the browser. Privacy-focused tool.