Encoders & Decoders
Free online encoders and decoders for Base64, string escaping, and images. Convert data to and from Base64, escape special characters, and turn images into data URLs — instantly and privately in your browser.
3 tools in Encoders
Encoders
Base64 Encoder / Decoder
Encode or decode Base64 text and files instantly online. Free Base64 converter for JWTs, data URLs, and auth headers — everything runs in your browser.
Encoders
Image to Base64
Convert any image to a Base64 data URL instantly online, for free. Supports PNG, JPG, GIF, WebP, and SVG — great for embedding images in CSS.
Encoders
String Escape / Unescape
Escape or unescape special characters in strings instantly online. Free tool for embedding strings in JSON, debugging APIs, and copying code.