50+ Free Online Tools
Fast, free, and powerful tools for developers, students, and professionals. No signup required. 100% privacy-focused.
🔥 Most Popular Tools
JSON to CSV Converter
Convert JSON data to CSV format instantly. Paste your JSON and get CSV output.
CSV to JSON Converter
Convert CSV data to JSON format. Paste your CSV and get JSON output.
Base64 Encoder
Encode text to Base64 format. Fast and secure client-side encoding.
Base64 Decoder
Decode Base64 encoded text back to plain text.
Password Generator
Generate strong, secure passwords. Customizable length and character types.
Text Counter
Count characters, words, lines, and sentences in your text.
Converters
View all→Encoders
View all→Base64 Encoder
Encode text to Base64 format. Fast and secure client-side encoding.
Base64 Decoder
Decode Base64 encoded text back to plain text.
URL Encoder
Encode URLs and query strings. Perfect for creating valid URLs.
URL Decoder
Decode URL encoded strings back to readable text.
Generators
View all→Text Tools
View all→Cryptography
View all→Data & Dev Tools
View all→JSON Formatter & Validator
Prettify JSON instantly and catch syntax errors before they ship.
XML ↔ JSON Converter
Bi-directional converter that understands attributes, arrays, and nested data.
JWT Decoder (No Secret)
Inspect JWT headers and payloads safely without providing a signing key.
UUID / NanoID Generator
Generate batches of RFC 4122 UUIDs and collision-resistant NanoIDs.
Regex Tester
Evaluate JavaScript regular expressions with instant match breakdowns.
Cron Expression Generator
Build cron expressions with readable explanations.
JSON Compare / Diff Tool
Spot differences between two JSON payloads with precise JSONPath pointers.
Markdown ↔ HTML Converter
Convert Markdown to HTML or HTML back to Markdown automatically.
QR Code Generator
Create crisp, shareable QR codes for URLs, Wi-Fi logins, or promo campaigns.
QR Code Reader
Decode QR codes directly in your browser—no uploads or external APIs.