Encoding & Decoding Tools
The Encoding and Decoding Toolkit covers Base64 and the wider family of binary-to-text schemes, URL and Unicode encoding, and classic ciphers. Paste text or drop a file and convert in either direction without anything leaving your device.
30 free tools in this category.
Base64 tools
Base64 Converter Representing binary data as ASCII text using a 64-character alphabet. Base64 Encoder Encoding bytes into a 64-character ASCII alphabet. Base64 Decoder Reconstructing the original bytes from a Base64 string. Text To Base64 Encoder Encoding UTF-8 text as Base64. Base64 To Text Decoder Decoding Base64 into UTF-8 text. Base64url Encoder Decoder A URL-safe Base64 variant replacing + and / with - and _. Base64 To Hex Converter Decoding Base64 and re-encoding the bytes as hex. Hex To Base64 Converter Reinterpreting hex-encoded bytes as Base64. Base64 To Binary Converter Decoding Base64 into raw bits. Binary To Base64 Converter Packing a bit string into bytes and Base64-encoding them.
File & image Base64
Image To Base64 Converter Encoding image bytes as Base64 for inline embedding. Base64 To Image Converter Decoding Base64 image data and previewing it. File To Base64 Converter Reading a file and encoding its bytes as Base64. Base64 To File Converter Decoding Base64 back into a downloadable file. Pdf To Base64 Converter Encoding a PDF document as Base64 text. Base64 To Pdf Converter Decoding Base64 into a PDF file. Data Uri Generator Embedding file contents inline using the data: URI scheme.
Other base families
Base Decoder Detecting and decoding an unknown Base encoding. Encoder Decoder A combined encoder and decoder across common text encodings. Base32 Encoder Decoder A case-insensitive 32-character encoding from RFC 4648. Base58 Encoder Decoder A Bitcoin-style alphabet that omits ambiguous characters. Base62 Encoder Decoder An alphanumeric encoding using digits and both letter cases. Base85 Encoder Decoder A compact encoding that packs four bytes into five characters.
URL, text & cipher encoding
Url Encoder Decoder URL percent-encoding of reserved characters per RFC 3986. Unicode Converter Converting characters to and from Unicode code point escapes. Punycode Encoder Decoder The ASCII encoding of internationalised domain names. Quoted Printable Encoder Decoder An email-safe encoding for mostly-ASCII text. Rot13 Encoder Decoder A simple letter-substitution cipher shifting by thirteen places. Morse Code Translator Encoding letters and digits as dots and dashes. Certificate Decoder The standard structure for public-key certificates.