✦SHOFIDEV_TOOLS
🔤
DATA100% Client-Side

Base64 Encoder & Decoder

← View All Tools

Base64 Encoder & Decoder

Convert strings and files to/from RFC 4648 Base64 format with UTF-8 support.

Quick Samples:
Plaintext Input
Base64 Encoded Result

Output will appear here automatically...

About This Tool

Fast two-way Base64 encoding and decoding engine with file-to-Base64 upload support.

Encode text and files into Base64 strings or decode Base64 data back to plain text.

1How to Use

  1. 1Select 'Encode' or 'Decode' mode from the top toggle.
  2. 2Type or paste text into the input field, or upload an image/document via the 'From file' button.
  3. 3Inspect the instant output in the right panel and copy with a single click.

2Key Features

  • ✓Two-way UTF-8 text encoding and decoding
  • ✓Direct file-to-Base64 converter (images, PDFs, documents, audio)
  • ✓Smart mode switching: automatically flips input and output
  • ✓Malformed Base64 string validation with clear error messages
🔒

Client-Side Privacy Guarantee

File reading and encoding operate via the browser FileReader API entirely offline. SHOFIDEV_TOOLS does not transmit, store, or log any of your files, text, or tokens on external servers.

Explore Other Utilities

All 12 Tools →
🖼️WebP Image ConverterConvert PNG, JPG, GIF & SVG to modern, lightweight WebP format without losing quality.📝Text Case TransformerTransform text between Sentence case, lowercase, UPPERCASE, Title Case, and more.🔧JSON Formatter & MinifierPretty-print, format, validate, and minify JSON payloads with syntax error detection.📄Markdown Live PreviewerReal-time side-by-side Markdown editor with GitHub Flavored Markdown and HTML export.