FastOS Tools
FastOS Tools

Text & Encoding

Text processing and encoding tools for developers and content creators. Format, convert, encode, and manipulate text data with ease.

Total 22 tools

JSON Formatter

Format and beautify JSON data online. Validate, minify, and prettify JSON with syntax highlighting.

JSON Validator

Validate JSON syntax and check for errors. Get detailed error messages and line numbers.

Base64 Encoder & Decoder

Encode and decode Base64 strings online. Convert text to Base64 and vice versa instantly.

URL Encoder & Decoder

Encode and decode URL strings online. Convert special characters to URL-safe format and vice versa.

JWT Decoder

Decode and verify JWT tokens online. View JWT header, payload, and signature information.

HTML Encoder & Decoder

Encode and decode HTML entities online. Convert special characters to HTML entities and vice versa.

HTML Minifier

Minify and compress HTML code online. Remove whitespace, comments, and unnecessary characters.

XML Formatter & Validator

Format, validate, and beautify XML documents online. Check XML syntax and indent properly.

YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML online. Bidirectional conversion with validation.

CSV ↔ JSON Converter

Convert CSV to JSON and JSON to CSV online. Handle headers, quotes, and delimiters properly.

Text Deduplicator

Remove duplicate lines from text online. Keep unique lines and remove duplicates efficiently.

Text Statistics

Analyze text statistics online. Count words, characters, lines, paragraphs, and more.

Text Case Converter

Convert text case online. Transform to uppercase, lowercase, title case, sentence case, and more.

Regex Tester

Test regular expressions online. Match patterns, test regex, and see results in real-time.

Markdown ↔ HTML Converter

Convert Markdown to HTML and HTML to Markdown online. Bidirectional conversion with formatting.

Text Diff Tool

Compare two texts and find differences online. Highlight additions, deletions, and changes.

UUID Generator

Generate UUIDs (Universally Unique Identifiers) online. Create v1, v4, and custom UUIDs.

Password Generator

Generate secure random passwords online. Customize length, characters, and complexity.

Emoji Converter

Convert emojis to Unicode, UTF-8, and other formats online. Encode and decode emoji characters.

AES Encrypt & Decrypt

Encrypt and decrypt text using AES encryption online. Secure AES-256 encryption with password.

Binary ↔ Hex Converter

Convert between binary and hexadecimal numbers online. Fast and accurate conversion tool.

Base Converter

Convert numbers between different bases (binary, octal, decimal, hexadecimal). Fast and accurate.