Free & Fast Conversion Tools
Fast, secure, and completely free utility tools for your daily conversion needs
Text Processing
Base64 Encoder/Decoder
Text↔Base64 free conversion | Korean support, real-time conversion, no server upload
URL Encoder/Decoder
Free URL encoding/decoding | Standard/component/form encoding support, real-time conversion
Text Counter
Free text analysis | Character/word/sentence count, byte size, reading time measurement
Hashtag Generator
Free hashtag generation | Social media marketing, auto deduplication, smart formatting
Data Formatting
JSON Formatter
Free JSON formatting | Syntax highlighting, real-time validation, secure browser processing
Markdown Converter
Free Markdown↔HTML conversion | 4 themes (GitHub/minimal/classic/modern), real-time preview
CSV ↔ JSON Converter
Free CSV↔JSON conversion | Auto-detect bidirectional, file upload, no server storage
YAML ↔ Properties Converter
Free YAML↔Properties conversion | Spring Boot support, nested structure, comment preservation
CSV ↔ Array Converter
Convert CSV data to 8 programming language arrays | JavaScript, Python, Java and more
Excel to Array Converter
Convert Excel files to programming language array code | SheetJS based
Excel to JSON Converter
Convert Excel files to JSON format | Various options supported
Visual Generation
QR Code Generator
Free QR code generator | PNG/SVG download, color/size customization
WiFi QR Code Generator
Free WiFi QR code generator | WPA/WPA2/WEP support, easy network sharing
Business Card QR Generator
Digital business card QR generator | vCard format, contact information included
Color Converter
Free color conversion | 6 formats (HEX/RGB/HSL/HSV/CMYK/LAB), color harmony, HSL sliders
CSS Gradient Generator
Free CSS gradient generator | Linear/radial support, real-time preview, auto code generation
CSS Shadow Generator
Free CSS shadow generator | Box/text shadows, multiple layers, real-time preview
Security & Crypto
Development
Timestamp Converter
Free timestamp conversion | Auto-detect seconds/milliseconds, 13 timezones, real-time conversion
Regex Tester
Free regex testing | Real-time match highlighting, group analysis, 8 example patterns
UUID Generator
Free UUID generation | v1/v4 version selection, bulk generation, customizable format options
Media Processing
Image Resizer
Free image resizing tool | 4 modes, high quality, no server upload
Image Format Converter
Free image format conversion | JPG/PNG/WebP/AVIF support, transparency handling, quality control
Image Compressor
Free image compression | Quality control, dimension reduction, target file size optimization
Fast Conversion
Fast conversion is our top priority.
Secure Processing
All data is not stored separately.