Tuesday, May 19, 2026

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OneCoolTip is for people who use technology every day and want it to work better, faster, and with less frustration.

One practical tech improvement. Every day. In under two minutes.

One Cool Tip shows you small changes that make a real difference; new features, smarter settings, and overlooked tools that save time and reduce friction across the tech you already use.

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Grok Skills: Teach Grok Once and Reuse Your Expertise Forever

Grok Skills: Teach Grok Once and Reuse Your Expertise Forever

Grok Skills turn one-time instructions into reusable expertise that Grok remembers across conversations. You can now generate polished documents and automate workflows without repeating your preferences every time.

By Rodger Mansfield, Technology Editor
May 19, 2026


Grok
You explain exactly how you want a report formatted or a presentation structured, only to start from scratch in the next chat. 

That repetition wastes time and breaks consistency.

Grok Skills solve this by letting you teach Grok your preferences, formats, and workflows once. It then applies them reliably in future conversations.

Here’s a Cool Tip: Try Grok Skills.

Grok Skills

Feature Explanation

Grok Skills add persistent expertise to Grok. 

Instead of re-explaining your style, structure, or process every session, you save it once and Grok recalls it automatically.

Built-in skills ship with every Grok account. 

These handle common productivity tasks: generating formatted Word documents (.docx), complete slide decks, structured spreadsheets, and polished PDFs. 

You can also upload existing files for Grok to restructure or expand.

Custom skills let you define your own expertise. 

Describe what you need in conversation, refine the output, then ask Grok to save it. 

Custom skills take priority over built-in ones. 

A dedicated Skill Creator helps you build more complex versions through guided conversation.

What You’ll Gain
  • Save time by reusing custom formats and workflows without repeating instructions.
  • Produce consistent, professional documents and presentations every time.
  • Automate repetitive tasks like report generation or data structuring with your preferred approach.
  • Build a growing library of personal skills tailored to your work or projects.

Step-by-Step Instructions

Here's how to do it.

Web (grok.com):
  1. Go to grok.com.
  2. Start a conversation with your Grok account.
  3. Try a built-in skill by typing a clear request, for example: “Create a professional monthly budget tracker spreadsheet with income, expenses, and savings projections.”
  4. Grok generates the file directly in the chat for download.
  5. To create a custom skill, describe your preferred style or workflow in detail. Once the output matches what you want, say: “Save this as my ‘Client Reports’ skill so you remember the format for future requests.”
  6. In later conversations, reference the skill naturally or just describe the task. Grok should apply your saved preferences.
  7. In this example, I used the following prompt to create a monthly budget tracker:
  • I want you to help me track my personal budget. Create a simple monthly budget spreadsheet with these sections: Income, Fixed Expenses, Variable Expenses, Savings Goals, and a summary at the top. Use clear formatting with totals and make it easy to read. Save this as my ‘Monthly Budget Skill’.

I Asked Grok to Build Me a Monthly Budget Tracker — Here's the Ready-to-Use Spreadsheet
fig. 1 - Grok Skills Example - Monthly Budget Tracker


iPhone/iPad and Android:
  1. The experience works the same way inside the Grok mobile apps. 
  2. Open the app (iOS / Android), start a chat, and use the same prompting style for built-in or custom skills. File generation and downloads function within the conversation interface. 

Pros and Cons

Pros:
  • Eliminates repetitive prompting and delivers consistent output quality.
  • Produces production-ready files (Word, PowerPoint, Excel, PDF) styled to your standards.
  • Custom skills override built-ins and work across separate conversations.
  • No extra subscription required beyond a Grok account.
  • Works well for both quick tasks and complex recurring workflows.

Cons:
  • Brand new feature, so exact commands and interface details may evolve quickly.
  • Requires a Grok account (free tier or higher).
  • Currently limited to web, iOS, and Android.
  • Perfecting complex custom skills can take a few refinement turns.
  • Persistent memory means your skill definitions are stored with your account.
Subscribe to One Cool Tip
Feature Access

Grok Skills are live now for Grok users on grok.com, iOS, and Android. 

Built-in skills for documents, presentations, spreadsheets, and PDFs are included with every account. Custom skills are created through normal conversation or the Skill Creator. 

No separate subscription is required. Availability on other platforms is not confirmed at launch. 

Admin or enterprise controls may apply in some organizational settings.

Score

Criterion  |  Score (0–10)  |  Justification

Value  |  9
Directly solves repetitive prompting and inconsistent outputs for frequent users, delivering meaningful time savings and better results.

Usability  |  8
Natural conversational interface makes built-in skills immediate; custom skills require some refinement but feel approachable.

Wow Factor  |  9
Persistent, user-taught expertise that carries across chats is a clever and practical leap forward for everyday AI use.

Total: 26/30 🌟 Excellent
A strong addition that makes Grok feel more like a true ongoing collaborator rather than a stateless chatbot.

Key Takeaways

Grok Skills let you invest a small amount of time upfront to create reusable expertise that Grok applies consistently. 

The built-in document and presentation tools combined with easy custom skill creation reduce friction and improve output quality across your daily interactions.

Cool Tip Snapshot
  • Feature Name: Grok Skills
  • Platform(s): Web (grok.com), iOS, Android
  • Quick Benefit: Persistent custom expertise plus instant creation of Word docs, presentations, spreadsheets, and PDFs
  • Best For: Productivity users, creators, business professionals, and frequent Grok users
  • Access Type: Free with Grok account (built-in skills); custom via conversation
  • Difficulty: Easy to Moderate

Try It Yourself

Open grok.com or the Grok app right now and test a built-in skill by asking for a document or presentation. 

Then teach Grok one of your regular workflows and save it as a custom skill. 

Share what you create in the comments below, subscribe to the One Cool Tip newsletter for daily practical tech guidance.

And share this with your family, friends, and coworkers who use AI tools regularly.


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a seasoned technology expert and editor of OneCoolTip.com, transforms complex tech into practical advice for everyday users. His Cool Tips empower readers to stay productive, secure, and one step ahead in the digital world.




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Stay Connected with One Cool Tip

👍 Like and Share: Help others discover OneCoolTip.com!
📬 Subscribe: Get the FREE OneCoolTip Newsletter delivered straight to your inbox.
💡 Support the Site: Chip in through TIPJAR to keep the Cool Tips coming.

Explore More

X (Twitter): @OneCoolTip
Threads: @onecooltip

Have a great tip or tech question?

Rodger Mansfield
a seasoned technology expert and editor of OneCoolTip.com, transforms complex tech into practical advice for everyday users. His Cool Tips empower readers to stay productive, secure, and one step ahead in the digital world.



One Cool Tip
Cool Tech Tips for a Cooler Life!



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Monday, May 18, 2026

Let ChatGPT Do the Spreadsheet Heavy Lifting

Let ChatGPT Do the Spreadsheet Heavy Lifting

ChatGPT can now work directly inside Excel and Google Sheets, helping users build, clean, explain, and update spreadsheets without leaving the workbook. It is especially useful for budgets, reports, trackers, financial models, messy data, and formulas that need a second look.

By Rodger Mansfield, Technology Editor
May 18, 2026


ChatGPT
Few productivity tasks create more quiet frustration than opening a spreadsheet you did not build.

The formulas are buried. The labels are inconsistent. 

Three tabs seem important, two tabs appear abandoned, and one cell is throwing an error that breaks the whole report.

That is exactly where ChatGPT for Excel and Google Sheets becomes useful. 

OpenAI’s spreadsheet add-ins place ChatGPT in a sidebar inside Excel or Google Sheets, where it can help build, update, clean, and explain spreadsheet work using plain-language instructions. 

OpenAI says the feature is available globally to ChatGPT Free, Go, Plus, Pro, Business, Enterprise, Edu, and K-12 users, with usage limits depending on plan type.

Here’s a Cool Tip: Use ChatGPT as your spreadsheet co-pilot before you touch the formulas.

ChatGPT for Microsoft Excel and Google Sheets

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Rodger Mansfield, a seasoned tech expert, is the mastermind behind www.OneCoolTip.com where he serves as both writer and editor. With a keen eye for simplifying complex tech, Rodger delivers practical advice that empowers readers to navigate the digital world with confidence. Dive into www.OneCoolTip.com for a treasure trove of savvy tips and tricks that keep you one step ahead in tech.

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Saturday, May 16, 2026

Share Real Moments Fast with Instagram Instants

Share Real Moments Fast with Instagram Instants

Instagram Instants gives users a faster, more casual way to share disappearing photos with close friends and mutual followers. Here’s how it works, why it matters, and when to use it instead of Stories or DMs.

By Rodger Mansfield, Technology Editor
May 16, 2026


Instants - An Instagram App
Have you ever taken a quick photo that felt too casual for your Instagram grid, too temporary for Stories, and too visual for a regular DM?

Here’s a Cool Tip: Use Instagram Instants for quick, private, real-life updates.

Instagram is trying to fill with Instants, a new way to share spontaneous photos with your Close Friends or followers you follow back. 

The idea is simple: snap a real-time photo, send it quickly, and let it disappear after it is viewed. 

Instagram Instants

Friday, May 15, 2026

Discover Random Hidden Gems Across the Web

Discover Random Hidden Gems Across the Web

Sometimes the best websites are the ones you were never searching for in the first place. McStumble turns random web discovery into a fun, surprisingly addictive experience that can uncover useful tools, creative projects, and strange corners of the internet in seconds.

By Rodger Mansfield, Technology Editor
May 15, 2026


Discover McStumble
Do you ever feel like the modern internet keeps showing you the same five websites over and over again?

Search engines are optimized for popularity. Social media algorithms push trending content. AI summaries often point everyone toward identical sources. As a result, the web can start to feel smaller than it really is.

Here's a Cool Tip:  McStumble.

McStumble recreates the spirit of classic internet exploration by sending users to random interesting websites with a single click. 

Some are educational. 

Some are practical. Some are weird in the best possible way. 

The experience feels like channel surfing for the web, except every click has the potential to reveal something genuinely useful or unexpectedly entertaining.

Discover Amazing Website - McStumble

Thursday, May 14, 2026

iOS 26.5 Finally Fixes One of the Biggest iPhone Messaging Problems

iOS 26.5 Finally Fixes One of the Biggest iPhone Messaging Problems

Secure texting between iPhone and Android users is finally arriving. iOS 26.5 also adds smarter Maps suggestions, new customization options, and several under-the-radar improvements that make everyday iPhone use better.

By Rodger Mansfield, Technology Editor
May 14, 2026


iOS 26.5
Apple’s iOS 26.5 update may not be the flashiest iPhone release of the year, but it quietly solves a long-standing frustration for millions of users. 

If you regularly text Android users, this update brings a major privacy and messaging upgrade that makes cross-platform conversations significantly more secure.

Have you ever noticed how conversations between iPhones and Android phones still felt stuck in the past?

For years, iPhone users enjoyed encrypted iMessage chats with other Apple users, while messages sent to Android devices lost some of those protections. 

Group chats broke, reactions looked strange, videos compressed badly, and security varied depending on carrier support.

Here's a Cool Tip:  Upgrade to iOS 26.5.

The headline feature is end-to-end encrypted RCS messaging between supported iPhone and Android devices. 

That means your conversations can now receive the same kind of privacy protection that iPhone users already expect from iMessage. 

Apple also added improvements to Maps, new wallpaper customization options, and several quality-of-life enhancements throughout the operating system.

This is one of those updates that improves daily life without requiring users to learn an entirely new app or workflow.

iOS 26.5

Monday, May 11, 2026

Create Your Cinematic Overview

Create Your Cinematic Overview

Transform static documents and scattered research into high-fidelity, narrative-driven videos that tell a professional story with a single click.

By Rodger Mansfield, Technology Editor
May 11, 2026


NotebookLM
Have you ever looked at a fifty-page research paper or a dozen messy meeting transcripts and wished you could just watch a summary instead? 

Most of us have felt that wall of text fatigue. 

While AI has been great at summarizing text into bullet points, the jump from a list of facts to a compelling narrative has always required a human touch and hours of video editing. 

Here's a Cool Tip:  Create Your Cinematic Overview in NotebookLM.

NotebookLM not just summarize your data; it directs, scripts, and produces a cinematic video that feels like something you would see on a professional streaming platform. 

This is a massive leap forward for anyone who needs to digest complex information quickly or share insights with a team in a format that actually sticks.

NotebookLM Cinematic Overview

Sunday, May 10, 2026

How to Use Google Chrome Skills

How to Use Google Chrome Skills

Transform your browser into a high-performance command center by using Gemini AI slash commands to summarize, chat, and organize your digital life.

Google Chrome is evolving from a simple window to the web into an intelligent assistant that can execute multi-step workflows on your behalf. By leveraging the integrated Gemini side panel, users can now summarize pages, search history, and manage tasks using slash commands.

By Rodger Mansfield, Technology Editor
May 10, 2026


Have you ever found yourself with fifty tabs open, a looming deadline, and no idea where that one specific research paper went? 

The average professional spends a significant portion of their day just navigating the tools they use to work. 

What if you could simply use a slash command to summarize a complex document or search your entire browsing history with a conversational query?

The era of manual browser management is fading. 

Here's a Cool Tip:  Chrome Skills.

Google is integrating Gemini AI directly into the Chrome experience.

This allows users to use the forward slash key within the Gemini panel to trigger powerful Skills that previously required dedicated AI extensions or manual copying and pasting.

Chrome Skills