Base64 decode/encode, JWT inspector & image-to-base64 converter for developers.
Users
289
−6 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#54K
#46K among extensions
Version
2.2.0
updated 1 Sep 2026
Users
monthly, 3 years
Latest, 15 Oct 2026:289 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 years
Latest, 15 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Base64Coder: Base64 Decode, Encode & JWT Inspector
Base64Coder: Encode, Decode & JWT Inspector – All-in-One Base64 Tool
Base64Coder is the ultimate Chrome extension for developers, data analysts, and IT professionals who need a fast, reliable, and feature-rich Base64 encoder/decoder, JWT token inspector, and image-to-base64 converter. Stop switching between online tools – handle all your encoding, decoding, and token validation tasks directly in your browser with a clean, dark-theme friendly interface.
🚀 Why Base64Coder?
Unlike simple Base64 converters, our extension combines five essential tools in one lightweight package:
✅ Base64 Encode & Decode – Instantly convert any text, file, or URL to Base64 format and back. Perfect for API testing, data serialization, and debugging.
✅ JWT Decoder & Inspector – Decode JSON Web Tokens (JWT) to view header, payload, and signature in a human-readable format. Verify token structure without external websites.
✅ Image to Base64 Converter – Right-click any image on a webpage and copy its Base64 string directly. Ideal for embedding images in CSS, HTML emails, or JSON payloads.
✅ Smart File Handling – Encode or decode entire files (images, PDFs, JSON) within the extension – no upload limits or privacy concerns.
✅ Clipboard & Hotkey Support – Copy results instantly with one click. Use customizable keyboard shortcuts for frequent tasks to speed up your workflow.
✅ Dark Theme & Performance – Sleek dark mode for comfortable late-night coding. Minimal resource usage ensures it won't slow down your browser.
Perfect For:
• Backend & Frontend Developers working with APIs, authentication (JWT), or data encoding.
• QA Engineers decoding Base64 logs and inspecting tokens during testing.
• Web Designers who need quick image-to-base64 conversion for inline styles.
• Security Researchers analyzing JWT tokens and encoded payloads.
• Anyone who needs a reliable Base64 decoder/encoder with JWT support.
Why Users Love Base64Coder:
⭐ "All-in-one tool – no more copy-pasting between websites!"
⭐ "JWT decoding saves me minutes every day."
⭐ "Image copy feature is a game-changer for CSS work."
Get Started Today – Install Base64Coder and transform your workflow!
🔒 Privacy First: No data collection, no external requests, no tracking. Everything runs locally in your browser.
⭐ Like this extension? Please leave a rating or review – your feedback helps us improve and helps other users discover this tool!