UD5 Toolkit
Base64 to CSS @font‑face Converter - Online Embed Font
Paste a Base64 encoded font string and generate the complete @font‑face CSS rule. Inline small fonts easily.
Tag: Base64 Encoder/Decoder - Data Conversion
11+ toolsImage to Markdown Base64 - Online Embed Small Pics
Convert a small image into a Base64 data URI and get a Markdown image tag. Perfect for README files and note‑taking apps. Local.
Base64 to UTF‑8 Converter - Online Decode Text
Decode a Base64 encoded string that contains UTF‑8 text (emojis, international characters). See the raw output. Local.
Base64 Image Extractor - Online Download from Data URI
Paste a Base64 data URI and download the image directly. Supports JPEG, PNG, GIF, WebP. Safe local processing.
UTF‑8 to Base64 Converter - Online Encode Text
Encode any text, including emojis and foreign scripts, into a Base64 string. Perfect for data URLs. Local.
File to Base64 Encoder/Decoder - Online Download
Encode any file into a Base64 string that you can copy, or decode a Base64 string back to a downloadable file. Pure frontend.
Image to Base64 Sprite Sheet - Online CSS Generator
Turn multiple images into a single Base64‑encoded sprite sheet and get the corresponding CSS background‑positions. Local.
Audio to Base64 Converter - Online Embed Sound in HTML
Encode short audio clips into Base64 data URIs for direct embedding in HTML5 <audio> tags. No external files needed.
Base64 Encoder & Decoder - Online Base64 Converter
Convert text and files to Base64 or decode Base64 back to original content. Processed locally with no server upload, ensuring complete data security.
Base64 String Validator - Online Check Valid Encoding
Paste a string and verify if it is valid Base64. Auto‑detects padding issues and character errors. Quick dev check.
Batch Image to Base64 Encoder - Online Multiple Files
Convert multiple images to Base64 data URIs at once. Copy individually or as a JSON array. Great for inline assets. Local.