Aa Tool collection

Text & Encoding Tools

Repair mojibake, decode escaped text, convert legacy files to UTF-8 and remove hidden characters.

7 tools

Mojibake Fixer Repair garbled UTF-8, Latin-1 and Windows-1252 text.

File Encoding Converter to UTF-8 Convert local text files from GBK, Shift-JIS, Big5 and more to UTF-8.

URL Encoder and Decoder Encode or decode URL components, including repeated encoding.

HTML Entity Encoder and Decoder Convert HTML entities to text or safely encode special characters.

Unicode Escape Converter Encode text as Unicode escapes or decode escaped strings.

Invisible Character Remover Remove zero-width spaces, BOM marks and hidden control characters.

Text Normalizer and Cleaner Normalize Unicode, line endings, spaces and blank lines.

Private local processing

These tools use browser APIs to process user-selected files, create documents or calculate measurements on the device. There is no remote processing API in this project.

Practical browser compatibility

Modern browsers support local file access, SVG and Canvas generation, downloads and interactive calculations. Test uncommon formats in the browsers used by your audience.