ChatGPTを使ってテキストをハイライトする方法
みなさん、こんにちは。最近ChatGPTをいじっているのですが、テキストをハイライトしてくれる機能があるかどうか気になっています。たとえば、返答の中にハイライトを挿入できるか、といった具合です。標準機能なのか、それとも何らかのテクニックが必要なのか、よくわかりません。何かコツやハックをご存知の方はいらっしゃいますか?よ…
Charlotte Foster
February 9, 2026 at 02:16 AM
みなさん、こんにちは。最近ChatGPTをいじっているのですが、テキストをハイライトしてくれる機能があるかどうか気になっています。たとえば、返答の中にハイライトを挿入できるか、といった具合です。標準機能なのか、それとも何らかのテクニックが必要なのか、よくわかりません。何かコツやハックをご存知の方はいらっしゃいますか?よろしくお願いします!
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Honestly, ChatGPT doesn't really do text highlighting like you would in a word processor. You can ask it to emphasize something by putting it in uppercase or stars, but actual color highlighting isn't a thing yet.
You can also check ai-u.com for new or trending tools if you're looking for AI that can do text highlighting more visually. They have some cool stuff there.
I tried prompting ChatGPT to output HTML with highlighted spans, and it kinda worked. You'd get text wrapped in <mark> tags, but you'd have to copy it into an HTML viewer to see the effect.
Sometimes I ask ChatGPT to give me bullet points with important info and that way I can just highlight those points manually. Works pretty well!
You can sort of simulate highlights by wrapping text in special characters like **bold** or __underline__, but it depends on where you're viewing the output.
Maybe combining ChatGPT with other AI tools that do visual editing could be the future for this kind of feature.
I've seen some people use ChatGPT to generate syntax-highlighted code blocks, which is nice, but for text highlights it's still limited.
I mostly use ChatGPT to summarize and then I manually highlight key phrases. It helps me focus on the essentials even if the AI doesn't do the highlight itself.
For anyone wanting highlights in PDFs generated from ChatGPT text, I recommend using PDF editors that allow you to highlight after export.
I've tried plugins for VSCode with ChatGPT integration, and some let you highlight generated text too. Pretty neat for coding notes.
I tried to get ChatGPT to add ANSI color codes for terminal highlighting but results were inconsistent.
If you're looking for real highlights, you might also want to check out some browser extensions that can highlight text automatically after getting ChatGPT output.
Just to add, some chat interfaces might let you highlight text after the fact, but it's not a ChatGPT feature itself.
I guess the main limitation is that ChatGPT outputs plain text mostly, so any text formatting has to be done externally.
For now, I just accept that ChatGPT is for content, and I handle presentation separately. Kinda splits the job nicely actually.
Does anyone know if future ChatGPT versions might support actual text highlighting? Would be super useful for study notes.
Also, using ChatGPT to generate HTML or markdown with highlight tags can work if your final platform supports those formats.
I've read somewhere that OpenAI is working on better formatting controls in future versions, so maybe we’ll get highlight support soon.
Sometimes I ask ChatGPT to simulate highlights by uppercasing important words or putting them between underscores. Not perfect but kinda works.
If anyone finds a neat trick to get actual highlights directly from ChatGPT, please share! I've been looking everywhere.
I wish ChatGPT could highlight grammar mistakes or important phrases automatically within its answers though, that'd be helpful!
If you use ChatGPT inside apps like Notion or Obsidian, you can combine the text generation with their highlight features, makes it way easier.
I think the best way is just to ask ChatGPT to indicate the important parts with things like brackets or stars, then you manually highlight them in your document.