Free Online Tools & Tutorial for Everyone
Access our collection of free, fast, and secure tools directly from your browser.
How to Solve “Out of Memory: Kill Process” Errors on Linux (Beginner-Friendly Guide)
The “Out of Memory: Kill Process” (OOM Killer) error occurs when Linux runs out of RAM and swap space. The system forcefully kills a process to free memory, often bringing down services unexpectedly.
How to Fix High I/O Wait on Linux (Beginner-Friendly Guide)
High I/O wait on a Linux server slows everything down, from SSH access to website response. This happens when your CPU is idle but waiting for disk operations to complete. In this tutorial, you’ll learn how to identify the cause of high I/O wait, diagnose the culprit processes, and apply practical fixes
Why Is My Linux CPU at 100%? (Beginner-Friendly Troubleshooting Guide)
If your Linux server suddenly hits 100% CPU usage, websites slow down, commands lag, and the system becomes nearly unusable. This tutorial explains—step by step—why CPU spikes happen, how to diagnose the root cause using simple Linux commands, and how to fix it even if you’re a complete beginner.
Using Docker on Linux: A Complete Beginner’s Guide (Step-by-Step Tutorial)
Docker is one of the most powerful tools in modern DevOps and software development. It lets you run apps in isolated containers so everything works the same on every machine — no more “it works on my laptop!” problems.
Understanding Linux Processes for Beginners: ps, top, htop, kill
Linux processes are simply tasks your system is working on, and learning how to view, monitor, and control them is a must-have skill for anyone managing a Linux server. In this beginner-friendly guide, you’ll learn how to use essential commands like ps, top, htop, and kill to understand what’s happening behind the scenes — and how to fix things when a process misbehaves.
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.