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Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text — instantly, free, no login.

✓ Free✓ No Login✓ Encode & Decode✓ URL-safe Mode✓ Private
URL-safe Base64
Replaces + with - and / with _ (safe for URLs)

📚 Base64 Quick Facts

Characters usedA-Z, a-z, 0-9, +, /
Padding char= (equals sign)
Size increase~33% larger than input
Used inEmail, APIs, Data URIs
SecurityNone — not encryption

⚡ Common Use Cases

→Embedding images as data URIs
→Email attachments (MIME)
→Basic Auth headers
→Passing data in query strings
→Storing binary in JSON
→JWT token payloads

🔧 Related Tools

💻JSON Formatter→🔗URL Encoder→🔑Hash Generator→🔐Password Gen→🎲UUID Generator→
⚡

PursTech Pro

File encoding, bulk processing, API access

📖 How to Use the Base64 Encoder

1

Choose Encode or Decode

Select Encode to convert text to Base64, or Decode to convert a Base64 string back to readable text.

2

Paste Your Content

Type or paste your text into the input box. Toggle URL-safe mode if you need the result to be safe for use in URLs.

3

Convert & Copy

Click the button to convert instantly. Copy the result and use it wherever you need. Use Swap & Reverse to flip input and output.

❓ Frequently Asked Questions