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Base64 encodes binary data into text using 64 printable ASCII characters, making it safe to transmit in text-based systems like email and URLs. It is not encryption — just encoding.

Fomula

Encoded length ≈ (Input length / 3) × 4 | Decoded length ≈ (Encoded length / 4) × 3
n_in
Input bytes (bytes)
n_out
Output bytes (bytes)

Mwongozo wa Hatua kwa Hatua

  1. 1Every 3 bytes → 4 Base64 characters
  2. 2Characters: A–Z, a–z, 0–9, +, / (64 total)
  3. 3= padding makes output a multiple of 4 characters
  4. 4Output is ~33% larger than original binary input

Mifano Iliyotatuliwa

Ingizo
Encode "Man"
Matokeo
"TWFu"
Ingizo
Decode "SGVsbG8="
Matokeo
"Hello"

Maswali yanayoulizwa mara kwa mara

What is Base64 Calc?

Base64 encodes binary data into text using 64 printable ASCII characters, making it safe to transmit in text-based systems like email and URLs. It is not encryption — just encoding

How accurate is the Base64 Calc calculator?

The calculator uses the standard published formula for base64 calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Base64 Calc calculator use?

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Base64 Calc calculator use?

The core formula is: = padding makes output a multiple of 4 characters. Each step in the calculation is shown so you can verify the result manually.

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