Is the Base64 encoder / decoder free to use?

Yes. It’s free and runs in your browser - no signup, no install.

Does it handle unicode and emoji?

Yes. The tool uses UTF-8 internally, so accented characters, Devanagari, CJK, and emoji round-trip correctly.

What is URL-safe Base64?

A variant that swaps + for - and / for _ so the encoded string is safe inside URLs, cookies, and filenames. The tool lets you toggle between standard and URL-safe output.

Is Base64 encryption?

No. Base64 is an encoding - it can always be reversed without a key. Don’t use it to hide secrets or protect sensitive data.

Can I encode very long strings?

Yes. Encoding runs locally in your browser, so payload length is bounded only by your device’s memory.

Does the tool upload my text to a server?

No. Encoding and decoding happen entirely in your browser.

Base64 Encoder/Decoder

Encode and decode text to/from Base64 format

Privasi Utama • Tanpa Pengumpulan Data

Encoder/Decoder Base64

Encode dan decode teks ke/dari Base64. Cocok untuk transmisi data, penyimpanan, dan menyematkan teks dalam aplikasi.

Pemilihan mode

Encoding teks

Tambahkan line breaks (64 karakter)

Encoding URL-safe

Teks input

Masukkan teks yang ingin Anda encode ke Base64

Karakter: 0Byte: 0

Output Base64

Hasil Base64

Karakter: 0Byte: 0

Tentang Encoding Base64

Apa itu Base64?

Skema encoding biner-ke-teks yang merepresentasikan data biner dalam ASCII

Kegunaan umum

Lampiran email, data URL, token API, file konfigurasi

URL-safe

Mengganti + menjadi -, / menjadi _, dan menghapus padding untuk URL

Ukuran bertambah

Data Base64 sekitar 33% lebih besar daripada aslinya