パソコン・ソフトHow to remove the PDF password you set yourself | Compatible with Windows, Mac, and free toolsExplains how to remove the password of a PDF that you set by yourself for Windows, Mac, and free online tools. We will introduce methods that you can use immediately, such as Chrome tricks and CubePDF Utility.2026.02.15中村 健太
AI・チャットボットHow to use Claude's "Project" function | How to compile documents and have AI read themExplains how to use Claude's project function for beginners. We have summarized in an easy-to-understand manner how to have AI read PDFs and documents at once, how to set custom instructions, and the differences between ChatGPT and GPTs.2026.02.15高橋 湊
スマホ・アプリIs your Google Photos full? 5 ways to free up space5 things to do when your Google Photos is full. We've put together a list of methods you can try right away, including bulk deletion of unnecessary files, image quality conversion, organizing Gmail, and Google One pricing.2026.02.15佐藤 理香
WebサービスHow to fix when there is no sound or the other party can't hear when sharing the screen on DiscordHow to resolve the issue where there is no sound or the other party cannot hear when sharing the screen on Discord. We have compiled a list of solutions that you can try in order, such as checking the audio toggle, sharing by app, audio settings, and running as an administrator.2026.02.15佐藤 理香
WebサービスHow to create images with transparent backgrounds using Canva | Can you create transparent PNGs for free?Explaining how to create a PNG image with a transparent background using Canva. Is it not possible in the free version? We have summarized the steps for the paid version (Pro), tricks to create transparent PNG for free, and how to use it properly.2026.02.15佐藤 理香
スマホ・アプリWhat to do when you can't receive via AirDrop or the other party is not displayed [iPhone]Introducing 7 things to do when the other party is not displayed or cannot be received using AirDrop. You can try checking reception settings, Wi-Fi/Bluetooth, tethering, restarting, and resetting the network in order.2026.02.15佐藤 理香
パソコン・ソフトWhat is XLOOKUP in Excel? Easy explanation of the difference with VLOOKUP and how to switchExplains Excel's XLOOKUP function, including the differences from VLOOKUP. We have summarized the advantages of XLOOKUP and how to switch to it in an easy-to-understand manner, such as the fact that the search column does not need to be on the left edge, and error handling is easy.2026.02.15中村 健太
暮らし・家事Is it cheaper to leave the air conditioner on? Compare electricity costs when turning off frequentlyIs it cheaper to leave the air conditioner on or turn it off frequently? Compare electricity bills by condition and clearly explain when to turn it off or leave it on. Also introduces power saving techniques.2026.02.15鈴木 遥
仕事・副業Template for writing a daily report in Notion | Free template distribution that can be used immediately by copying and pastingExplains templates and settings for writing daily reports in Notion. We have put together a structure that can be used immediately by copying and pasting, using two patterns: database method and simple page method.2026.02.15山田 結衣
スマホ・アプリCan't open iPhone photos with HEIC? Summary of how to convert to JPEGSolved the problem that HEIC files of photos taken with iPhone could not be opened. We have summarized how to save as JPEG in iPhone settings, how to automatically convert only when transferring, and how to convert using a PC or online tools.2026.02.15佐藤 理香
AI・チャットボットWhat is Perplexity AI? Easy-to-understand explanation of the difference with ChatGPT and how to use it properlyExplaining the difference between Perplexity AI and ChatGPT. We have summarized in an easy-to-understand manner the features of Perplexity that answers answers with references, how to use it with ChatGPT, and how far you can use it for free.2026.02.15高橋 湊
AI・チャットボットCan I use ChatGPT with CarPlay? Summary of support dates, what you can do, and how to set upCan AI such as ChatGPT and Gemini be used with Apple CarPlay? When will it be available? In this article, we have summarized in an easy-to-understand way what you can do with CarPlay's AI support, how to set it up, and points to note.2026.02.15高橋 湊
