Free Online Tools
A collection of free online tools for developers and digital professionals. Convert, generate, and process data right in your browser.
Base64 to JSON Converter
Decode a Base64 string and convert it to readable JSON. Useful for analyzing encrypted or compressed data.
JSON to Base64 Converter
Encode a JSON structure into a Base64 string. Used for secure data transmission and storage.
Netscape Cookies to JSON
Convert cookies from the legacy Netscape format to modern JSON format. Convenient for automated processing and import.
Cookie Format Detector
Automatically detects the format of provided cookies (JSON, Netscape, header string). Useful for analysis and conversion.
2FA Code Generator
Generate time-based one-time passwords (TOTP) for two-factor authentication using a secret key.
Duplicate Remover
Find and remove duplicate lines in a dataset. Essential for cleaning and optimizing data.
Split by Delimiter
Split a string or text into parts by a given delimiter. Used to extract individual elements from a list.
Delimiter Changer
Replace one delimiter with another in a data list (e.g., comma to semicolon). Useful for data formatting.
Mass URL Opener
Open multiple URLs simultaneously in new tabs. Convenient when working with a large number of links.