WebToolNestBlog & guides
Practical how-to guides from WebToolNest — PDFs and photos, keyboards and mice, internet speed, GPA, speeches, Instagram, Discord and more — each with a free tool to do the job.
How Many Calories Should I Eat a Day? Calculator and Chart
Work out how many calories you need a day to maintain, lose or gain weight — BMR and TDEE explained, the Mifflin-St Jeor formula with examples, activity levels and safe calorie targets.
🔥 Calorie Calculator · 🫀 BMR Calculator · ⚖️ BMI Calculator · 💧 Water Intake CalculatorNovember 1, 2026 · 3 min readHow Many Days Between Two Dates? How to Count Days, Weeks and Workdays
Count the days between any two dates — the quick method, whether to include the end date, counting business days, a days-in-each-month table, and the Excel formulas.
📅 Days Between Dates · ➕ Date Calculator · 🎂 Age CalculatorNovember 1, 2026 · 3 min readHow to Calculate Average: Mean, Median, Mode and Weighted Average
How to calculate an average step by step, with examples — the mean, median and mode, weighted averages for grades, averaging percentages correctly, and the Excel formulas.
📉 Average Calculator · 📊 Grade Calculator · % Percentage CalculatorNovember 1, 2026 · 3 min readHow to Convert HEX to RGB (and Back): Formula, Chart and Examples
Convert HEX color codes to RGB by hand or instantly — how hex digits work, a chart of common colors, 8-digit hex with transparency, and code for CSS, JavaScript and Python.
🎨 Color Picker & Converter · 🌈 Color Palette Generator · 🎯 Image Color PickerNovember 1, 2026 · 3 min readHow to Create a Robots.txt File (With Examples for WordPress and Shopify)
What robots.txt does, how to create one in minutes, ready-to-copy examples, how to block AI crawlers, where to upload it on WordPress and Shopify, and the mistakes that hide sites from Google.
🤖 Robots.txt Generator · 🏷️ Meta Tag GeneratorNovember 1, 2026 · 3 min readHow to Read Binary Code: Numbers, Letters and a Full A–Z Chart
Learn to read binary in minutes — how place values work, how to turn binary into numbers and letters, a full A–Z binary alphabet chart, and how to translate text both ways.
0️⃣ Binary Translator · 🔟 Number Base Converter · 📡 Morse Code TranslatorNovember 1, 2026 · 3 min readHow to Write Numbers in Words (Including on a Check)
The rules for writing numbers in words in English — hyphens, "and", decimals, millions vs lakhs — plus exactly how to write the amount on a check or cheque, with examples.
🔠 Number to Words · 🏛️ Roman Numeral ConverterNovember 1, 2026 · 3 min readRoman Numerals Chart 1–100 (Plus Years and Big Numbers)
A complete Roman numerals chart from 1 to 100, the seven symbols and rules, how to write years like 2026 (MMXXVI), and how to read any Roman numeral step by step.
🏛️ Roman Numeral Converter · 🔠 Number to WordsNovember 1, 2026 · 3 min readWhat Do I Need on My Final? The Formula and a Quick Calculator
Work out exactly what score you need on your final exam to pass or get an A — the formula, worked examples, a target chart, and what to do if the grade you want is out of reach.
📊 Grade Calculator · 📘 GPA Calculator · 📉 Average CalculatorNovember 1, 2026 · 3 min readWhat Is a Healthy BMI? BMI Chart for Women and Men by Height
The healthy BMI range explained, a chart of healthy weights for every height in pounds and kilograms, Asian BMI cut-offs, BMI for children, and what BMI can and can't tell you.
⚖️ BMI Calculator · 🎯 Ideal Weight Calculator · 📏 Body Fat CalculatorNovember 1, 2026 · 3 min readWhat Is Keyword Density? Formula, Ideal Percentage and How to Check It
Keyword density explained: the formula, what percentage is "good" for SEO in 2026, why there is no magic number, how to check any article, and what to do instead of keyword stuffing.
📊 Keyword Density Checker · 🔢 Word Counter · 🏷️ Meta Tag GeneratorNovember 1, 2026 · 4 min readWhat Week of the Year Is It? Week Numbers Explained (2026 Calendar)
Find the current week number, see every 2026 week with its dates, and learn how ISO 8601 and US week numbering differ — and why 2026 has 53 weeks.
📆 What Week Is It? Week Number · 🗓️ Day of the Week Calculator · ➕ Date CalculatorOctober 26, 2026 · 3 min readDiscord Timestamps: How to Show a Time in Everyone's Time Zone
Discord timestamps like <t:1767225600:F> show every member an event time in their own time zone. All 7 formats with examples, and how to make one in seconds.
💬 Discord Timestamp Generator · 🕰️ Unix Timestamp Converter · 🌍 Time Zone ConverterOctober 26, 2026 · 3 min readHow Many Pages Is 1,000 Words? (Single and Double Spaced Chart)
1,000 words is about 2 pages single-spaced or 4 pages double-spaced in 12 pt Times New Roman. See a words-to-pages chart from 250 to 10,000 words and what changes the count.
🔢 Word Counter · 🔡 Character Counter · 🎤 Words to Minutes ConverterOctober 26, 2026 · 3 min readHow Many Words Is a 5-Minute Speech? (Chart for 1 to 60 Minutes)
A 5-minute speech is about 650 words at an average pace of 130 words per minute. See a chart for 1–60 minute speeches, common speech lengths and how to time yours.
🎤 Words to Minutes Converter · 🔢 Word Counter · ⏱️ Online StopwatchOctober 26, 2026 · 3 min readHow to Calculate a Percentage: Formulas, Examples and Excel
Every percentage formula you need, with worked examples: percentage of a number, what percent one number is of another, percentage increase and decrease, discounts, marks and Excel formulas.
% Percentage Calculator · 🏷️ Discount Calculator · 📊 Grade CalculatorOctober 26, 2026 · 3 min readHow to Calculate Hours Worked (With Breaks, Decimals and Excel)
Work out hours worked from start and end times, subtract unpaid breaks, convert minutes to decimal hours for payroll, and total a week — with Excel and Google Sheets formulas.
⏱️ Time Calculator · 🔢 Time to Decimal Converter · 🎖️ Military Time ConverterOctober 26, 2026 · 3 min readHow to Calculate Your GPA (Step by Step) and Convert It to a Percentage
Learn the GPA formula with a worked example, how cumulative GPA works across semesters, and how to convert a 4.0 or 10-point GPA to a percentage.
📘 GPA Calculator · 🎓 CGPA Calculator · 🔢 CGPA to PercentageOctober 26, 2026 · 3 min readHow to Convert HEIC to JPG on Windows, Mac, iPhone and Android
iPhone photos saved as HEIC won't open everywhere. Convert HEIC to JPG for free on any device — one photo or hundreds at once — and stop your iPhone saving HEIC in future.
📱 HEIC to JPG · 🗜️ Compress Image · 📑 JPG to PDFOctober 26, 2026 · 3 min readHow to Import Contacts From Excel to iPhone, Android or Gmail
Turn an Excel or CSV list of names and phone numbers into phone contacts: convert it to a VCF file, then import it on iPhone, Android or Google Contacts.
📇 Excel to VCF · 📇 CSV to VCF · 📇 VCF to ExcelOctober 26, 2026 · 4 min readHow to Make a Booklet From a PDF (Print, Fold and Staple)
Turn any PDF into a booklet you can print double-sided, fold and staple. Free step-by-step guide with the right printer settings, paper sizes and tips for thick booklets.
📖 PDF Booklet Maker · 🔗 Merge PDF · 🗂️ Organize PDFOctober 26, 2026 · 3 min readHow to Make a QR Code for Free (That Never Expires)
Make a free QR code for a link, Wi-Fi, WhatsApp, Google reviews, a form or a PDF in seconds — and why static QR codes are the ones that never stop working.
🔳 QR Code Generator · 📷 QR Code ScannerOctober 26, 2026 · 3 min readHow to Reduce Image Size in KB (to 100 KB, 50 KB, 20 KB or Less)
Shrink a photo to an exact size like 100 KB, 50 KB or 20 KB for online forms, email and websites — free, in your browser. Plus how to resize to exact pixel dimensions.
🗜️ Compress Image · 📐 Resize Image · ✂️ Crop ImageOctober 26, 2026 · 3 min readHow to Reduce PDF File Size for Email (Without Ruining Quality)
Too big to attach? Shrink a PDF under the 20–25 MB email limit for free. Learn which compression level to choose, why PDFs get large, and fixes for scanned documents.
🗜️ Compress PDF · ✂️ Split PDF · 🖼️ PDF to JPGOctober 26, 2026 · 3 min readHow to Remove the Background From an Image for Free
Remove the background from a photo in seconds — free, without uploading it. Plus how to do it on iPhone, in PowerPoint, Canva and Photoshop, and tips for clean edges.
🪄 Background Remover · 🪪 Passport Photo Maker · ✍️ Signature GeneratorOctober 26, 2026 · 3 min readHow to Screen Record on Windows, Mac, iPhone and Android (With Audio)
Record your screen for free on any device: built-in shortcuts for Windows, Mac, iPhone and Android, plus a browser recorder that captures your microphone and system audio.
🖥️ Screen Recorder · 🎞️ Video Converter · ✂️ Video TrimmerOctober 26, 2026 · 3 min readHow to See Who Unfollowed You on Instagram (Free, No App)
See who doesn't follow you back on Instagram using Instagram's own data download — no password and no risky follower apps. Step-by-step for iPhone, Android and computer.
📸 Instagram Unfollowers Tracker · 🆚 Text Compare (Diff Checker)October 26, 2026 · 3 min readHow to Sign a PDF for Free (Online, iPhone, Mac and Windows)
Sign a PDF electronically in under a minute: draw, type or upload your signature and place it on any page. Free methods for every device, without printing or scanning.
✒️ Sign PDF · ✍️ Signature GeneratorOctober 26, 2026 · 4 min readHow to Take a Passport Photo at Home (and Print It for Less)
Take a passport or visa photo at home with your phone, crop it to the right size for the US, UK, EU, Canada and more, and print several copies on one 4×6 photo for a few cents.
🪪 Passport Photo Maker · 🪄 Background RemoverOctober 26, 2026 · 4 min readHow to Test a Laptop Keyboard (and Fix Keys That Stop Working)
Test every key on your laptop keyboard online in a minute, find dead, sticky or double-pressing keys, and try the fixes that work on Windows laptops and MacBooks.
💻 Laptop Keyboard Test · ⌨️ Keyboard Tester · 👻 Keyboard Ghosting TestOctober 26, 2026 · 3 min readHow to Test Your Microphone (and Fix a Mic That Isn't Working)
Check your microphone online in seconds and hear a playback of your voice. Then fix common problems on Windows, Mac, Discord, Zoom and Teams — plus a quick webcam check.
🎤 Mic Test · 📷 Webcam Test · 🎙️ Voice RecorderOctober 26, 2026 · 3 min readMilitary Time Chart: How to Read and Convert 24-Hour Time
A complete military time chart for every hour, how to convert between military and standard time, how to say military time out loud, and a minutes-to-decimal chart for payroll.
🎖️ Military Time Converter · 🔢 Time to Decimal Converter · 🌍 Time Zone ConverterOctober 26, 2026 · 3 min readMouse Double Clicking on a Single Click? How to Test and Fix It
If your mouse double clicks when you click once, test it in your browser to confirm the fault, then try these fixes — from Windows settings to cleaning and replacing the switch.
🖱️ Mouse Double Click Test · 🖱️ CPS Test (Click Speed)October 26, 2026 · 4 min readStick Drift: How to Test It and Fix It (PS5, Xbox, Switch and PC)
Is your controller drifting? Test both sticks in your browser in 5 seconds, learn what causes stick drift, and try the fixes that work — from calibration and deadzones to cleaning and repair.
🕹️ Stick Drift Test · 🎮 Controller TesterOctober 26, 2026 · 3 min readWhat Is a Good Internet Speed? Mbps Explained for Streaming, Gaming and Work
A good internet speed for most homes is 100 Mbps download and 10–20 Mbps upload. See how much speed streaming, gaming, video calls and working from home really need.
🚀 Internet Speed Test · 📍 What Is My IPOctober 26, 2026 · 3 min readWhat Is a Good Typing Speed? Average WPM, Job Requirements and How to Improve
A good typing speed is about 50–70 words per minute with 95%+ accuracy. See the average WPM, what speed different jobs ask for, and practical ways to type faster.
⌨️ Typing Speed Test · ⌨️ 1 Minute Typing Test · ⌨️ 5 Minute Typing Test