Free Online Tools & Tutorial for Everyone
Access our collection of free, fast, and secure tools directly from your browser.
Transactions & ACID Explained Like a Beginner (Dummy-Friendly Guide)
Database transactions are one of the most important concepts every developer must understand — especially if you're building apps that store or modify data. This beginner-friendly guide explains transactions in the simplest way possible, covering what they are, why they matter, and how ACID guarantees data safety.
Beginner's Guide to Database Normalization (1NF, 2NF, 3NF Explained Simply)
Database normalization is the process of organizing your tables so your data stays clean, consistent, and free from duplication. This tutorial explains 1NF, 2NF, and 3NF in a very simple, friendly way so beginners can finally understand why messy tables cause problems—and how normalization fixes them.
Understanding Database Indexing (Beginner-Friendly Guide)
Database indexing is the secret to making your queries fast and efficient, especially on large tables. Indexes act like the index of a book, helping the database find information quickly without scanning every row. In this tutorial, you’ll learn what indexes are, why they matter, and how to create them in a way that's beginner-safe and easy to understand.
SQL GROUP BY for Absolute Beginners (Explained Slowly & Clearly)
The SQL GROUP BY statement allows you to summarize and organize your data into meaningful groups—like counting orders per customer or calculating total revenue by month. This tutorial breaks down GROUP BY in a slow, clear, beginner-friendly way, perfect for anyone who wants to understand database reporting step-by-step.
Introduction to SQL Joins for Absolute Beginners (with Simple Examples)
SQL Joins allow you to combine data from multiple tables so your database can answer real-world questions that a single table alone cannot handle. In this beginner-friendly tutorial, you’ll understand what JOINs are, why they matter, and how to use INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN with simple, clear examples.
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.