Encoding & Crypto — Guides & Articles

• Convert Hex to Text in Excel: Why HEX2DEC Stops Short

  Published 2026-09-06

  Excel's HEX2DEC stops at decimals. Copy hex from your spreadsheet into the Hex to Text Converter to decode valid UTF-8 in your browser.

  

• Caesar Cipher Decoder Cheat Sheet: Decode Shifts Fast

  Published 2026-09-06

  Use this Caesar cipher decoder cheat sheet to decode shifts 0–25 fast. Get the standard alphabet mappings, pattern tips, and a quick browser tool.

  

• Gzcompress Online Free, No Sign Up: In Your Browser

  Published 2026-09-06

  Gzcompress online free no sign up — compress UTF-8 to gzip Base64 or decompress back to text in your browser. No account, no upload.

  

• Convert a File to Base64 Format: Canonical RFC 4648 Output

  Published 2026-09-05

  Convert a file to Base64 format using the canonical padded RFC 4648 alphabet. Browser-side encoding for files up to 10 MB, no uploads required.

  

• Base58 Decode Explained: How Raw Bytes Are Recovered

  Published 2026-09-05

  Base58 decoding turns the Bitcoin alphabet back into raw bytes. See which characters are rejected, why leading zeros matter, and how to confirm the hex…

  

• Calculate CRC32 in Python and Match Every Hex Digit

  Published 2026-09-05

  Compute CRC32 in Python with zlib and binascii, handle the signed-int gotcha, and cross-check every hex digit against the CRC32 Calculator.

  

• BCC Checksum Cheat Sheet: Formulas, Bytes, and Limits

  Published 2026-09-05

  BCC checksum cheat sheet: the XOR-8 block check character and Modbus ASCII two's-complement LRC formulas, with byte range rules and a worked example.

  

• Binary to Text Explained: How 0s and 1s Become Words

  Published 2026-09-05

  Binary to text explained in plain English: how bits become letters through ASCII and UTF-8 encoding, with a free browser-based converter for both directions.

  

• Base64 to Hex Converter Alternative Built on RFC 4648

  Published 2026-09-04

  Tired of permissive Base64 decoders that hide input mistakes? See what a strict RFC 4648 converter alternative actually validates, and how to use it in your…

  

• Decode Base32 From the Command Line vs Your Browser

  Published 2026-09-04

  Compare Linux's base32 command with browser-based decoders for Base32. See how RFC 4648 validation, whitespace handling, and UTF-8 errors differ on each side.