Base64 Encoder
Encode or decode Base64 strings
Top-level workflow
Encoding & Escaping
Handle Base64, URLs, HTML entities, binary text, byte views, and the boundaries between encoding, escaping, hashing, and encryption.
Use this when text changed shape in transit and you need to know whether it was encoded, escaped, hashed, or encrypted.
Primary Tools
Binary Code Translator
Convert text to binary and back
Related
HTML Entity Encoder / Decoder
Encode text as HTML entities or decode entities back to text
Image to Base64 Converter
Convert images to Base64 data URIs and back
URL Encoder
Encode or decode URL strings
Workflow Lessons
beginner 8 min
Tell Encoding, Escaping, Hashing, and Encryption Apart
Follow one string through common transformations so you know what can be decoded and what cannot.
beginner 8 min
Turn a Small Image Into a Data URI
Convert a small image into an embeddable data URI and know when that tradeoff is acceptable.
beginner 8 min
Fix a URL Parameter That Breaks on Special Characters
Encode query values so spaces, ampersands, and punctuation do not split the URL.
beginner 8 min
Decode HTML Entities From a Scraped Snippet
Decode entity-heavy text so copied content can be reviewed without losing the original meaning.
beginner 8 min
Translate Binary Text Into Readable Characters
Decode binary character bytes and confirm the result before using it as text.