Free Online Tools & Tutorial for Everyone
Access our collection of free, fast, and secure tools directly from your browser.
Fixing “Lock wait timeout exceeded” (MySQL / InnoDB) — Step-by-Step Guide for Beginners
A Lock wait timeout exceeded error happens when one transaction wants a row locked by another transaction, but the first transaction gives up after waiting too long. This guide shows how to diagnose the blocker, fix the immediate problem, and apply practical fixes so the error stops happening
How to Repair a Corrupted InnoDB Database: A Complete Step-by-Step Guide for Beginners
Learn how to fix a corrupted InnoDB database using simple and beginner-friendly recovery techniques. This guide explains how to recover MySQL after a crash, repair damaged tables, restore .ibd files, rebuild ibdata1, and safely bring your server back to life. Perfect for beginners, developers, and system administrators who have no idea what to do when MySQL suddenly refuses to start.
Fixing “MySQL Table is Marked as Crashed and Should Be Repaired” (Beginner-Friendly Guide)
Is a common error in MySQL — especially with MyISAM tables. It usually happens when the server is shut down improperly, the disk becomes full, or a query is interrupted midway. This tutorial explains why this error appears, how to repair crashed tables safely, and how to prevent this problem from happening again, written in a simple, friendly tone for absolute beginners.
Fixing “MySQL Deadlock Found When Trying to Get Lock” (Beginner-Friendly Guide)
Is a scary error that often appears when multiple queries try to access the same rows at the same time. For beginners, this error is confusing because it doesn’t mean MySQL is broken — it means your queries are conflicting. In this guide, we explain what a deadlock is, why it happens, how to find which queries caused it, and step-by-step instructions to prevent deadlocks in MySQL.
Fixing “MySQL High CPU Usage” — A Beginner-Friendly Guide to Understanding and Solving the Problem
MySQL high CPU usage is one of the most common performance problems developers face, especially beginners. When the database suddenly spikes to 90–100% CPU, queries slow down, websites freeze, and services stop responding.
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.