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How-to Guides: Free Online Tools
Step-by-step tutorials for 60+ free online tools. Learn how to use each tool with screenshots, use cases, and FAQ.
Encryption & Hashing
Formatters
Converters
How to Use Base64 Encode/Decode
Base64 string encoding and decoding
How to Use Base32 Encode
Base32 encoding and decoding
How to Use Base58 Encode
Base58 encoding and decoding
How to Use Radix Converter
Multi-base number conversion
How to Use CSV/JSON Converter
Convert between CSV and JSON
How to Use URL Encode/Decode
URL encoding and decoding
How to Use Image to Base64
Convert images to/from Base64
How to Use PNG to SVG
Image format conversion
How to Use PDF Tools
Merge, split, compress, convert PDF files online
Developer Tools
How to Use Cron Expression
Cron job expression builder
How to Use Regex Tester
Test regular expressions online
How to Use Regex Visualizer
Visual regex editor & AST viewer
How to Use Mermaid Chart
Online flowchart diagrams
How to Use SVG Editor
Online SVG editor
How to Use Keyboard Test
Online keyboard key tester
How to Use File Viewer
Preview 135+ file formats — PDF, Word, Excel, CAD, 3D, images & more
How to Use HTML Visual Editor
Upload or paste HTML, then edit visually with live preview. 100% browser-based, no upload.
Generators
How to Use QR Code Generator
Custom styled QR code generator
How to Use Lorem Ipsum
Random text generator
How to Use Random String
Generate random strings
How to Use Random Group
Split list into random groups
How to Use UUID Generator
Generate UUID/GUID
How to Use Pixel Art Generator
Convert images to pixel style
How to Use Text to Speech
Online TTS conversion
How to Use Handwriting Animation Generator
Convert text into beautiful handwriting animations, free online tool
Text Tools
Network Tools
Image
How to Use Image Resizer
Resize images by width, height, or fit mode
How to Use Image Cropper
Crop images to exact pixel coordinates
How to Use Image Compressor
Compress images with quality control
How to Use Image Converter
Convert between JPEG, PNG, WebP, AVIF, TIFF
How to Use Image Rotator
Rotate images by any angle
How to Use Color Palette
Extract dominant colors from any image
How to Use Favicon Generator
Generate favicon from any image
How to Use Strip Metadata
Remove EXIF and metadata from images
How to Use Image Info
Read dimensions, format, and metadata
How to Use Image Border
Add colored borders to images
How to Use Watermark
Add text watermarks to images
How to Use Color Adjust
Adjust brightness, contrast, saturation
How to Use Passport Photo
Generate passport and visa photos
How to Use Meme Generator
Add top and bottom text to any image
How to Use Beautify Screenshots
Add padding, shadow, and borders to screenshots
How to Use Find Duplicates
Compare images and detect duplicates with perceptual hashing
How to Use Create GIF
Create animated GIFs from multiple image frames
Utilities
How to Use Coin Flip
Random coin flip simulator
How to Use Counter
Simple counter tool
How to Use Countdown
Custom countdown timer
How to Use Stopwatch
Online stopwatch tool
How to Use Pomodoro Timer
Pomodoro technique timer
How to Use Spin Wheel
Random spin wheel tool
How to Use Scoreboard
Real-time score tracker