About MyToolster
Our Mission
MyToolster provides free, easy-to-use web tools for developers, designers, and anyone who needs quick access to helpful utilities. We aim to simplify common tasks and provide reliable, high-quality tools without requiring any installation or setup.
Our Tools
We offer a variety of tools to help with everyday tasks:
Audio & Video
Text
- Unicode EncodingUnicode encoder and decoder online
- UTF-8 ConverterUTF-8 encoder and decoder online
- Text DifferenceCompare text and files line by line
- AI Text DetectorScreen text for AI-generated writing signals
- Claude Watermark RemoverClean invisible text markers locally
- Vigenere Cipher ConverterEncrypt and decrypt Vigenere cipher text online
- Encoding ConverterConvert text and CSV encoding, including Shift_JIS, GBK, Big5, EUC-KR, and UTF-8
- BASE64Decode and encode Base64 online
- MD5 GeneratorGenerate MD5 hashes online
- URL Encoding/DecodingEncode and decode text for use in URLs
Data
- JSON/JSON5 FormatterFormat, validate, beautify, and minify JSON, JSON5, and JSONC with comments
- URL Parameters ParserExtract and analyze parameters from URLs
- JSON ↔ TOON ConverterConvert JSON to TOON format to save LLM tokens
- BBCode ViewerPreview BBCode and convert it to safe HTML locally in your browser.
- Hex to Binary ConverterConvert hexadecimal to binary, including fractions and long values, locally.
- XML ViewerParse, view, format, minify, and convert XML to JSON locally.
- XML ValidatorValidate, format, and minify XML online. Free XML syntax checker with instant error detection.
Web
- Password GeneratorGenerate strong random passwords instantly
- Token GeneratorGenerate secure random tokens and API secrets
- Unix TimestampConvert between Unix timestamps and human-readable dates
- Percentage ChangeCalculate percentage increase or decrease
- Stock Limit Price CalculatorCalculate stock limit-up and limit-down prices
- Stock Recovery CalculatorCalculate stock loss recovery and limit-up moves
- Arcsin CalculatorCalculate arcsin angles in degrees and radians
- UUID ValidatorValidate and check UUID format, version, and structure. Free online UUID validator tool.
- Random Number GeneratorGenerate random numbers with configurable precision, range, and quantity. Uses cryptographically secure randomness.
Color
- Color PickerPick colors from images and screen
- Pantone to RGB ConverterConvert Pantone colors to RGB, HEX, and HSL. Includes color preview, reference table, and HEX to Pantone matching.
- Pantone RGB Reference ChartLook up approximate HEX, RGB, and CMYK values for Pantone colors. Search color codes and filter coated or uncoated versions.
QR Code
Image
- AI Image DetectorFree AI image detector online
- AI Background RemoverFree AI background remover online
- Low Quality Image MakerMake images low quality online
- Image to Line DrawingTurn photos into line drawings
- Coloring Page MakerMake coloring pages from photos
- Matcha Filter RemoveMatcha Filter Remove: reduce green tint from photos
Contact Us
Have questions, feedback, or suggestions for new tools? Feel free to reach out on X (Twitter)!
Site Operator
MyToolster is an independently operated developer utility site. The official feedback and contact channel for this website is the X account linked above. We review tool feedback, policy questions, and correction requests from that channel.