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10 Hidden ChatGPT Features Nobody Talks About

Ten ChatGPT features that are buried in menus, ignored in tutorials, or so new most users haven't discovered them yet.

3 min readAll skill levels

What's Inside

  • FEATURE 1: VOICE MODE (FULLY CONVERSATIONAL)
  • FEATURE 2: CHATGPT IN YOUR CAMERA (VISION)
  • FEATURE 3: CREATE A CUSTOM GPT
  • FEATURE 4: ADVANCED DATA ANALYSIS (CODE INTERPRETER)
  • FEATURE 5: GENERATE IMAGES INSIDE ANY CONVERSATION
  • FEATURE 6: SIDE-BY-SIDE FILE COMPARISON
  • FEATURE 7: MEMORY (PERSISTENT CONTEXT ACROSS CHATS)
  • FEATURE 8: SHARED LINKS

…and 2 more sections.

FEATURE 1: VOICE MODE (FULLY CONVERSATIONAL)

Available on mobile app. Not just text-to-speech — it's a real back-and-forth conversation. The latest version (Advanced Voice Mode) understands tone, can be interrupted, and responds naturally.

Best uses: Brainstorming while walking, language practice, hands-free research.

How: Open the ChatGPT app → tap the waveform icon in the bottom right.

FEATURE 2: CHATGPT IN YOUR CAMERA (VISION)

Point your camera at anything and ask ChatGPT about it. Works on physical objects, screens, documents, whiteboards, menus in foreign languages.

How: Mobile app → tap the + icon → camera → point at what you want to analyse.

FEATURE 3: CREATE A CUSTOM GPT

You can build your own version of ChatGPT for a specific task. Give it a persona, specific instructions, and even upload documents it should reference. Then share it or use it privately.

How: chat.openai.com/gpts → Create → Give it a name, description, and instructions.

Use case: Build a "My Brand Voice" GPT that writes in your style every time, with your guidelines built in.

FEATURE 4: ADVANCED DATA ANALYSIS (CODE INTERPRETER)

Upload a spreadsheet, CSV, or data file and ChatGPT will write and run Python code to analyse it. It can produce charts, clean data, run statistics, and more.

How: Use the + icon to attach a file → mention you want data analysis → ChatGPT handles the code.

FEATURE 5: GENERATE IMAGES INSIDE ANY CONVERSATION

DALL-E 3 is built into ChatGPT. Just say "generate an image of..." mid-conversation and it will appear inline.

Hidden power: Describe images in iterative conversation. "Make the background darker", "Change the style to watercolour", "Add a person in the foreground."

FEATURE 6: SIDE-BY-SIDE FILE COMPARISON

Upload two documents and ask ChatGPT to compare them. Works on contracts, drafts, code files, or any text document.

"Here are two versions of my proposal [UPLOAD FILES]. What changed between version 1 and version 2? Which changes improve it?"

FEATURE 7: MEMORY (PERSISTENT CONTEXT ACROSS CHATS)

ChatGPT can remember facts about you across conversations. You tell it things once, it uses them forever.

How: Settings → Personalization → Memory → On

Then say: "Remember that I prefer bullet points over prose" or "Remember I'm working on a book about [TOPIC]."

FEATURE 8: SHARED LINKS

Share any conversation as a link. Useful for collaborating with others or sharing a useful exchange publicly.

How: Open any conversation → three dots menu → Share → Copy link.

FEATURE 9: TEMPORARY CHAT

Start a chat that won't be saved to history and won't be used for training.

How: Sidebar → click the pencil icon for New Chat → toggle Temporary Chat at the top.

FEATURE 10: FOLDER AND SEARCH IN HISTORY

You can search your entire chat history. And you can organise chats into folders (called Projects).

How for search: Click the search icon at the top of the sidebar. How for Projects: Left sidebar → Projects → New Project. Drag conversations into folders by topic.


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