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Practical guides for real tasks — written by the people building the tools on this site.

Showing 2,416–2,436 of 2,474 articles

How to Write an Out-of-Office Auto-Reply Fast

📧 Productivity

How to Write an Out-of-Office Auto-Reply Fast

Generate an out-of-office auto-reply for vacation, sick leave, travel, or parental leave, in a formal or casual tone, right in your browser before you log off.

What Your Internet Speed Actually Supports

📶 SEO & Web

What Your Internet Speed Actually Supports

Turn a raw Mbps number from a speed test into a plain-English answer about what it actually supports — streaming, gaming, video calls, and multiple devices at once.

Where to Find Aesthetic Text Dividers for Your Bio

✨ Social Media

Where to Find Aesthetic Text Dividers for Your Bio

Browse and copy decorative Unicode text dividers by category — lines, stars, nature, brackets — to break up a social bio or post without designing anything.

How Long It Actually Takes to Pay Off a Credit Card

💰 Finance Calculators

How Long It Actually Takes to Pay Off a Credit Card

Use a credit card payoff calculator to see how many months a fixed payment really takes, how much interest you'll pay, and your real payoff date.

How to Add Social Share Buttons Without a Plugin

🔍 SEO & Web

How to Add Social Share Buttons Without a Plugin

Generate working, dependency-free share buttons for X, Facebook, LinkedIn, Reddit, WhatsApp, and Email with a live preview and copyable HTML, no plugin required.

How to Beat Writer's Block With a Writing Prompt

🎲 Generators

How to Beat Writer's Block With a Writing Prompt

Get unstuck with a random creative writing prompt across genres like fantasy, mystery, and horror, and start drafting again in under a minute.

How to Break Down a URL Into Its Parts

💻 Developer Tools

How to Break Down a URL Into Its Parts

Parse any URL into protocol, host, port, path, query string, and hash instantly, with percent-encoded values decoded automatically in your browser.

How to Build an SEO Content Brief in Seconds

🔍 SEO & Web

How to Build an SEO Content Brief in Seconds

Build a structured content brief with keyword, intent, outline, and on-page checklist from a few inputs, so writers start with clarity instead of a blank page.

How to Build UTM-Tagged URLs in Bulk

🔍 SEO & Web

How to Build UTM-Tagged URLs in Bulk

Generate every combination of UTM-tagged campaign URLs from a base link plus source, medium, and campaign lists, with CSV export, right in your browser.

How to Calculate ROI the Right Way

💰 Finance Calculators

How to Calculate ROI the Right Way

Calculate net gain, total ROI, and annualized ROI correctly from your initial investment, final value, and holding period, so short and long holds compare fairly.

Calculate Weekly Work Hours With Overtime

📅 Date & Time

Calculate Weekly Work Hours With Overtime

Log daily start and end times with breaks to get weekly totals, regular vs. overtime hours, and estimated pay, without building a spreadsheet formula. Free.

How to Calculate Your One-Rep Max

🏋️ Health & Fitness

How to Calculate Your One-Rep Max

Estimate your one-rep max from a weight and rep count without grinding out a risky single-rep attempt. How the Epley and Brzycki formulas work and when to trust them.

How to Calculate Your Running Pace

🏋️ Health & Fitness

How to Calculate Your Running Pace

Calculate running pace per km and per mile, plus speed in km/h and mph, from any distance and time, to plan a race or check a training split.

How to Catch YAML Syntax Errors Before They Break Your Build

💻 Developer Tools

How to Catch YAML Syntax Errors Before They Break Your Build

Validate YAML syntax with a live JSON preview and exact line and column error locations, before a bad indent breaks your CI pipeline or config.

How to Check Character Limits Before You Post

✍️ Text & Writing

How to Check Character Limits Before You Post

Count characters and words live as you type, then check your text against Twitter/X, Instagram, and SMS limits before you hit post. Free and runs in your browser.

How to Check if a Credit Card Number Is Valid

🔒 Security & Privacy

How to Check if a Credit Card Number Is Valid

Learn how the Luhn algorithm catches mistyped card numbers, why network detection matters, and how to validate a card number without sending it anywhere.

Check If a Parquet File Is Valid

🔀 Data & CSV

Check If a Parquet File Is Valid

Check whether a .parquet file has a valid header and footer and see its file size, before you load it into a data pipeline. Free and runs in your browser.

Check If a Year Is a Leap Year

📅 Date & Time

Check If a Year Is a Leap Year

Check whether any year is a leap year, with a plain explanation of the rule and a list of the next five leap years ahead. Free and instant, no math required.

How to Check If Your Meta Description Is Too Long

🔍 SEO & Web

How to Check If Your Meta Description Is Too Long

Preview how your title and meta description will look in Google search results and check the exact pixel-width cutoff before you publish, free and in your browser.

Convert a Font File Between TTF, OTF & WOFF

🔀 Data & CSV

Convert a Font File Between TTF, OTF & WOFF

Preview a font with your own text and convert it between TTF, OTF, WOFF, and WOFF2, without design software. Free and processed entirely in your browser.

Convert an Excel Sheet to CSV Without Excel

🔀 Data & CSV

Convert an Excel Sheet to CSV Without Excel

Convert an XLSX sheet to CSV without installing Excel, picking your delimiter and previewing the result before you download. Runs in your browser.