Free Online Tools & Tutorial for Everyone
Access our collection of free, fast, and secure tools directly from your browser.
Why Your MySQL COUNT(*) Is Slow and How to Fix It (Beginner Friendly Guide)
If your MySQL COUNT(*) query feels painfully slow, you’re not alone. Many beginners assume counting rows should be instant—but depending on your table size, engine type, and missing indexes, MySQL may have to scan millions of rows every time. I
Why MySQL Is Not Using My Index? (Beginner-Friendly Fix Guide)
MySQL sometimes ignores an index even when you think it should. Common causes include using functions in WHERE, mismatched data types, low selectivity, missing composite indexes, or the query planner choosing a full scan instead.
Top 10 SQL Mistakes That Make Your Database Slow (Beginner Friendly Guide)
Most slow SQL queries are caused by simple, avoidable mistakes—like missing indexes, using SELECT *, inefficient joins, wrong data types, or returning too many rows. This guide explains the top 10 beginner mistakes that slow down databases and teaches how to fix each one with clear examples.
Why Is My SQL Query Slow? A Beginner-Friendly Guide to Speeding Up Your Database
Slow SQL queries usually happen because your database is doing more work than necessary — scanning entire tables, missing indexes, processing too much data, or joining tables inefficiently. In this beginner-friendly guide, you’ll learn exactly why queries become slow and how to fix them in simple, easy steps. No advanced database knowledge required.
Full Tutorial: How to Set Up Automatic Backups on Linux Server (Files + Database)
Losing important data because of server crashes, accidental deletions, or corruption is one of the worst fears for anyone hosting a website or service. The best protection? Setting up automatic backups — both for your files and databases — on your Linux server. In this guide, you'll learn how to configure backup scripts + cron jobs so backups run automatically, plus how to store backups securely, rotate them, and restore data when needed.
Gold Price Today
Live Gold prices & calculator.
Remove Background
Remove image backgrounds automatically with AI.
Loan Calculator
Calculate monthly payments (KPR).
Crypto Price Today
Live Bitcoin & Altcoin prices.
Prayer Times
Auto-detect location schedule.
Fancy Font
Generate stylish text & symbols.
Forex Rates Today
Live Currency Exchange.
Weather Radar Today
Rain & Cloud forecast.
IP Calculator
Subnet & CIDR calc.
AdSense CPM Calc
Estimate YouTube/Blog earnings.
Calorie Calculator
Calculate TDEE & Macros.
Percentage Calc
Solve percentage problems.
WA Link Generator
Create WhatsApp links with pre-filled text.
YouTube Thumbnail
Download HD video thumbnails instantly.
Compress Image
Reduce file size without losing quality.
AI Writer (BYOK)
Rewrite & improve text using AI.
Age Calculator
Calculate your exact age in seconds.
Keyboard Tester
Check key health & ghosting.
Image Converter
Convert JPG, PNG, WebP securely.
What Is My IP
Check IP, ISP & Location.
Word Counter
Count words, chars & reading time.
Text to Speech
Convert text to human-like audio MP3.
Lorem Ipsum
Generate dummy placeholder text.
Instagram Grid
Split photo into 3x3 grids.
Invoice Generator
Create PDF invoices for free.
UUID Generator
Generate Random UUIDs.
URL Encoder
Encode/Decode URLs.
Audio Cutter
Trim audio files online.
PDF to Text
Extract text from PDF layout.
Crop & Rotate
Resize and orient images.
Image to Base64
Convert image to string.
Image Color Picker
Pick colors from images.
Code Screenshot
Beautiful code images.
JSON Formatter
Beautify JSON data.
JSON to SQL
Convert JSON to Insert Query.
JWT Decoder
Debug JWT tokens.
Regex Tester
Test regular expressions.
Code Minifier
Minify HTML, CSS, JS.
Password Gen
Create secure passwords.
Slug Generator
Make SEO-friendly URLs.
Table Generator
Create HTML Tables/Divs.
Hash Generator
MD5, SHA1, SHA256.
Meta Tag Generator
Create SEO tags with preview.
CSV to JSON
Convert CSV/Excel data.
Diff Checker
Compare two texts.
Unit Converter
Convert length, weight, etc.
Scientific Calc
Advanced math functions.
Date Calculator
Calculate date difference.
Number to Words
Convert numbers to text.
Case Converter
Uppercase, lowercase, title.
Live Clock
Fullscreen digital clock.
Stopwatch
Timer with laps.
BMI Calculator
Check ideal body weight.
Discount Calc
Calculate sale price & savings.
Digital Signature
Create e-signatures with stamp.
Gradient Maker
Generate CSS gradients.
Color Picker
Get HEX/RGB codes.
PNG to ICO
Create favicons.
Icon Generator
Create icon from text.
QR Generator
Create custom QR codes.
Webcam Test
Check camera functionality.
Mic Test
Check mic and speakers.
Touchpad Test
Check scrolling & zoom.
GIF Compressor
Resize & optimize GIFs.
EXIF Viewer
View hidden photo metadata.
Drawing Animated
Drawing tool for digital rotoscoping and vertical animation recordings.
PDF Splitter
Split pages and remove unwanted parts offline.
PDF Stamp
Stamp PNG images onto PDF with visual positioning.
PDF Version
Downgrade or upgrade PDF compatibility (1.3 to 1.7) for legacy systems offline.
PDF Combine
Merge multiple PDF files into one document offline.