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Converters
- Base64 Converter
- Base64 Decode Online
- Base64 to ASCII
- Base64 to Audio
- Basic Auth Decode
- Base64 to File
- Base64 to Hex
- Base64 to Image
- Base64 to AVIF
- Base64 to BMP
- Base64 to GIF
- Base64 to ICO
- Base64 to JPG
- Base64 to PNG
- Base64 to SVG
- Base64 to WebP
- Base64 to JSON
- Base64 to PDF
- Base64 to Text
- Base64 to Video
- Base64 Encode Online
- Audio to Base64
- FLAC to Base64
- MP3 to Base64
- Ogg to Base64
- WAV to Base64
- WMA to Base64
- CSS to Base64
- File to Base64
- Hex to Base64
- HTML to Base64
- Image to Base64
- AVIF to Base64
- BMP to Base64
- GIF to Base64
- ICO to Base64
- JPG to Base64
- PNG to Base64
- SVG to Base64
- WebP to Base64
- JSON to Base64
- PDF to Base64
- Text to Base64
- URL to Base64
- Video to Base64
- Base64URL Decode
- Base64URL Encode
Tools
- Base64 tools
- Base64 Reader & Viewer Online
- Base64 Size Calculator
- Character Encoding Detection
- Christmas Countdown — Days Until Christmas
- Compare Base64 Strings
- Cron Expression Explainer
- CSS Data URI Converter
- Data URL to Image
- Base64 Standard Detector
- Diff Checker — Compare Text Online
- Favicon Generator
- Gzip Compress & Decompress
- Gzip Compression Test
- Hash Generator (MD5, SHA-256)
- HTTP Request Online
- Compress Image Online
- HEIC / WebP / SVG Image Converter
- JSON Formatter & Validator
- JWT Decoder
- Merge PDF & Images to PDF
- Unwrap Nested Base64
- Base64 Normalization
- Password Generator
- QR Code Generator
- Regex Tester Online
- Remove Image Background
- Repair Base64
- Secret Santa & Amigo Secreto Generator
- Remove EXIF & GPS from Photos
- CIDR Subnet Calculator
- Unix Timestamp Converter
- URL Encode and Decode
- Uuencoded File Decoder
- UUID Generator
- Base64 Validator
- Verify Base64 (Catch LLM Errors)
- YAML to JSON & JSON to YAML
Developers
- Developers
- Bash / Linux
- C# / .NET
- CSS
- CSS background
- CSS background-image
- CSS border-image
- CSS cursor
- CSS list-style
- CSS list-style-image
- Data URI
- CSS sprites vs data URIs
- Base64 and gzip
- Go
- HTML
- HTML <a>
- HTML <audio>
- HTML <embed>
- HTML <iframe>
- HTML <img>
- HTML <input>
- HTML <link>
- HTML <object>
- HTML <picture>
- HTML <script>
- HTML <source>
- HTML <style>
- HTML <video>
- Java
- JavaScript
- Node.js
- PHP
- Python
Learn
- Learn
- Base64 algorithm
- Decoding step by step
- Encoding step by step
- Base64 characters
- European character sets
- AI agents
- Bandwidth
- More
- ASCII table
- What is Base64?
- Popular Base64 strings
- /9j/4AAQSkZJRgABAQ: Base64 JPEG prefix
- AAAAIGZ0eXBpc29t: Base64 MP4 video prefix
- dXNlcm5hbWU6cGFzc3dvcmQ=: "username:password"
- iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJ...: 1×1 transparent PNG
- JVBERi0: Base64 PDF prefix
- PHN2ZyB4bWxucz0: Base64 SVG prefix
- R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7: 1×1 transparent GIF
- SGVsbG8gV29ybGQ=: "Hello World"
- SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t: Cryptopals
- UEsDBBQ: Base64 ZIP / DOCX / XLSX prefix
Standards
Blog
- Blog
- Base64 encryption is a lie
- Base64 viewer: enlarge preview and download
- Base64 vs Base64URL
- ChatGPT cannot reliably decode Base64
- Christmas tools that actually get searched
- What developers and IT actually search for
- Convert HEIC & WebP privately (no upload)
- Base64 repair tool launched
- Private Base64 decoding: no upload required
- Private media tools — not social scrapers
- Reddit-driven private tools (no upload)
- Save mobile data: compress before you upload
- Validate Base64 in Notepad++
- What is AAAAIGZ0eXBpc29t?