Encoders & Decoders
44 toolsConvert between data formats using Base64, URL encoding, HTML entities, and binary.
Affine Cipher
Master the Affine Cipher Online. Our tool handles encryption and decryption using custom multipliers and shifts. Perfect for cryptography students and enthusiasts.
Base45 Encoder Decoder
Use our Base45 Encoder Decoder Online to process data for QR codes and European health certificates. Fast, local encoding and decoding with custom settings.
Bifid Cipher
Use this Bifid Cipher Online tool to encrypt and decrypt messages. Customize your keyword and period settings with our Bifid Cipher Converter for manual cryptography.
CBOR Encoder Decoder
Use our secure Cbor Encoder Decoder Online to convert JSON to CBOR and decode binary streams. Perfect for IoT developers requiring efficient, local serialization.
Data URI Generator Analyzer
Use the Data URI Generator Analyzer Online to convert images and files into Base64. Inspect, validate, and decode your Data Uri Generator Analyzer strings easily.
File Base32 Converter
Use this File To Base32 Converter Online to convert binary files into text and back. Features automatic magic byte detection for accurate file reconstruction.
File Base58 Converter
Use our File To Base58 Converter Online to encode binary files into Base58 using Bitcoin, Ripple, or Flickr alphabets. Perform secure local conversion today.
File Base64 Converter
Use our File To Base64 Converter Online to encode images, PDFs, and binary data into Base64 strings or decode them back to files directly in your browser.
File Hex Converter
Use our File To Hex Converter Online to convert any binary file into hex code or reconstruct files from hex data with automatic signature detection for your assets.
Playfair Cipher
Encrypt and decrypt text with the Playfair Cipher Online. Use our interactive 5x5 matrix converter to visualize digraph substitutions and process your messages.
Porta Cipher
Access the Porta Cipher Online to encrypt and decrypt messages. This reciprocal polyalphabetic substitution tool offers real-time processing for your private keys.
Trifid Cipher
Use this Trifid Cipher Online tool to encode and decode messages using the 3D Polybius cube method. Configure your period and keyword for custom fractionation.
ASCII Converter
Need an accurate ASCII converter online? Instantly convert text to ASCII values in decimal, hex, octal, or binary. Includes full character map and HTML entity lookup.
ASCII85 Encoder Decoder
Use our ASCII85 encoder decoder to convert binary to text using Adobe or Z85 standards. Efficient base85 conversion with real-time verification and file support.
Avro Encoder
Use our free Avro encoder online to convert JSON to Avro binary format with real-time schema validation. Ideal for testing Avro serialization locally and quickly.
Base32 Encoder Decoder
Use our Base32 encoder online to convert text and files securely. Supports RFC 4648 and Extended Hex variants for accurate Base32 to text transformation.
Base36 Encoder
Use our base36 encoder online to convert plain text into compact Base36 strings. Perfect for URL shorteners and generating efficient IDs locally in your browser.
Base58 Encoder Decoder
Easily use a Base58 encoder decoder for Bitcoin or Flickr alphabets. Convert binary, hex, or text securely in your browser. Perfect for crypto addresses.
Base62 Encoder
Use our Base62 encoder online to convert plain text into compact, URL-friendly identifiers. Learn how the Base62 encoding logic works for data conversion.
Base64 Encoder Decoder
Easily use this Base64 encoder decoder for standard and URL-safe data conversion. Handle MIME wrapping, binary files, and batch processing with local browser performance.
Base64URL Encoder Decoder
Use our Base64URL encoder decoder to instantly convert data for JWTs and APIs. Secure, browser-based tool for URL-safe base64 transformation with custom input formats.
Base85 Encoder Decoder
Use our Base85 encoder decoder for Adobe Ascii85, Z85, and RFC 1924. Convert binary to Base85 securely in your browser. Perfect for PDF and networking tasks.
Base91 Encoder
Use our Base91 encoder online to convert binary data into text with maximum efficiency. Learn how to encode and decode payloads using our optimized conversion tool.
Bencode Parser
Use this free bencode parser to decode and visualize complex p2p metainfo files. Validate bencoded structures, inspect piece hashes, and export to JSON or YAML.
Binary to String
Easily convert binary to string with auto-detection for UTF-8, UTF-16, and ASCII. Use our binary parser to decode byte streams and analyze raw data structures.
Binary Translator
Use our Binary Translator to convert plain text to binary code or translate binary to text. Perfect for developers, students, and data conversion tasks.
BSON Encoder
Use this BSON encoder online to quickly convert JSON to BSON or decode BSON hex strings. Perfect for local MongoDB serialization testing and schema validation.
Caesar Cipher
Apply the caesar cipher with custom shifts, ROT13, and ROT47. Our caesar cipher online tool works locally in your browser for secure text encoding and decoding.
EBCDIC Translator
Convert EBCDIC to ASCII and back using regional IBM character set support. Fix encoding mismatches and handle legacy data conversion with our local-processing tool.
Hex to String
Need to convert hex to string? Use our hex decoder to parse UTF-8, UTF-16, and ASCII data. Identify bytes and decode hexadecimal to text with our online tool.
HTML Entities
Use this secure HTML entities converter to escape special characters, prevent XSS attacks, and unescape HTML entities. Perfect for web developers and security testing.
Leet Speak
Convert text using this leet speak generator. Choose from classic styles or create a custom 1337 converter map to turn plain text into cyber language instantly.
Morse Code Translator
Translate text to Morse code or decode signals instantly. Use our morse code translator for custom audio playback, Farnsworth spacing, and pitch adjustments.
MsgPack Encoder
Use this MsgPack encoder online to convert JSON to MessagePack bytes and decode MsgPack hex back to readable JSON. Fast, local binary serialization for developers.
Protobuf Encoder
Use our Protobuf encoder online to convert JSON to Protobuf binary and back. Perform schema validation and serialization without server-side processing risks.
Punycode Converter
Use this Punycode converter to convert Unicode domains into Punycode or decode IDN strings. Includes homograph detection and URL path preservation features.
Quoted-Printable
Use this free quoted-printable decoder to handle email content. Easily encode or decode MIME strings, manage UTF-8, and fix display issues with RFC 2045 standards.
ROT13 Encoder Decoder
Easily use the ROT13 encoder decoder for text obfuscation. Supports ROT5, ROT18, and ROT47 variants for quick rotation cipher tasks and puzzle solutions.
String to Binary
Use this string to binary converter to encode text into bits. Supports UTF-8, ASCII, and UTF-16 with byte-level analysis and custom formatting for all data needs.
String to Hex
Easily convert your string to hex using this free tool. Supports UTF-8, ASCII, and UTF-16 with byte-level analysis for debugging data streams. Fast and precise.
URL Encoder Decoder
Easily use this URL encoder to handle percent encoding for web addresses. Convert complex query parameters with this RFC 3986 compliant URL encode online utility.
UUencode Decoder
Easily encode binary data to UUencode or use our UUencode decoder to restore files. Perfect for legacy systems and email attachment encoding workflows.
Vigenere Cipher
Master the Vigenere cipher encoder with our professional-grade tool. Easily perform polyalphabetic encryption and decryption using Beaufort and Gronsfeld methods.
Z85 Encoder
Encode and decode Z85 strings easily with this Z85 encoder online. Perfect for ZeroMQ applications, this tool provides instant, private, and local data conversion.