Lolman Tools
Free, fast, and privacy-focused tools that run entirely in your browser.
Encoding & Decoding (22)
ASCII to Text Converter
Convert a sequence of ASCII character codes back into text.
Base64 Decoder
Decode from Base64 format with various advanced options. Fast, secure, and completely browser-based Base64 decoding.
Base64 Encoder
Encode text to Base64 format with various advanced options. Fast, secure, and completely browser-based encoding.
Binary Decoder
Decode binary text to its original format with various advanced options. Fast, secure, and completely browser-based decoding.
Binary Encoder
Encode text to binary format with various advanced options. Fast, secure, and completely browser-based encoding.
Hex Decoder
Decode hexadecimal text to its original format with various advanced options. Fast, secure, and completely browser-based decoding.
Hex Encoder
Encode text to hexadecimal format with various advanced options. Fast, secure, and completely browser-based encoding.
HTML Entity Decoder
Convert HTML entities back to their original characters for easy reading
HTML Entity Encoder
Convert special characters to HTML entities for safe display in web pages
JWT Tester and Editor
Decode, verify, modify, and edit JSON Web Tokens (JWT) with support for multiple algorithms
Morse Code Decoder
Decode International Morse code back into readable text. Paste dots and dashes and get plain text instantly, with unknown group warnings.
Morse Code Encoder
Convert plain text into International Morse code. Supports letters, digits, and common punctuation, with optional audio playback of the encoded output.
ROT13 Encoder/Decoder
Apply the ROT13 (or any ROT-N) letter-shift cipher to text. Same action encodes and decodes — perfect for spoilers, puzzles, and obfuscation.
Text to ASCII Converter
Convert text into a sequence of ASCII character codes.
TOON Decoder
Decode TOON (Token-Oriented Object Notation) format back to JSON. Convert compact TOON data structures to standard JSON format.
TOON Encoder
Encode JSON to TOON (Token-Oriented Object Notation) format. Reduce token usage by 30-60% for LLM inputs with uniform data structures.
Unicode Decoder
Convert Unicode code points back to readable text. Supports \u escapes, U+ notation, HTML decimal/hex entities, and decimal code points with auto-detection.
Unicode Encoder
Convert text to Unicode code points in \u escapes, U+ notation, HTML decimal, HTML hex, and decimal formats. Handles emoji and astral characters correctly.
URL Decoder
Decode URL-encoded text back to its original format. Fast, secure, and completely browser-based decoding.
URL Encoder
Encode URLs and text for safe transmission over the internet. Fast, secure, and completely browser-based encoding.
XML Decoder
Decode XML entities back to their original characters
XML Encoder
Encode special characters for safe use in XML documents