Pricing

$1.00 / 1,000 item processeds

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Base64 Encoder & Decoder API — Text & Data URIs

Try for free

Batch encode text to Base64 or decode Base64 back to text, with URL-safe and data URI output modes, in one API call.

Pricing

$1.00 / 1,000 item processeds

Rating

0.0

(0)

Developer

Andrew

Actor stats

Bookmarked

Total users

Monthly active users

4 days ago

Last modified

What you get

Encode or decode any number of strings in one run
Standard or URL-safe Base64 alphabet (+// vs -/_, with or without padding)
Wrap encoded output as a data URI (data:<mime>;base64,...) with one input field
Automatic data:...;base64, prefix stripping when decoding
Per-item validation — invalid Base64 input is reported with a clear error instead of silently returning garbage

Use cases

Batch-convert a list of strings or tokens to/from Base64 inside a no-code automation (Zapier/Make/n8n via the Apify API)
Generate data URIs for small assets to embed directly in HTML/CSS/JSON
Validate whether a field from an upstream system is genuinely Base64-encoded

How to use

Choose Mode: Encode or Decode
Paste your strings into Inputs (one per line)
Optionally turn on URL-safe alphabet, or set Wrap encode output as data URI to a MIME type like image/png
Run the actor — results appear in the Dataset tab

Output format

Each dataset record:

{
  "mode": "encode",
  "input": "Hello, world!",
  "output": "SGVsbG8sIHdvcmxkIQ==",
  "byteLength": 13,
  "error": null
}

If an input isn't valid Base64 in decode mode, output is null and error explains why — the record is still returned so a downstream automation can count/handle failures without dropping items.

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