Data formats & archives
Technical guides about data formats & archives, written for practical follow-up.
Guides in this topic
6 articlesReview a HAR archive before it reaches a support ticket
Inspect request and response data, remove application-specific secrets and verify that redaction preserves a useful reproduction.
Base64 and Base64url: decode bytes without losing Unicode
Work through padding, alphabet differences and UTF-8 conversion, including why encoding is not encryption.
Hexadecimal data: bytes, text and endianness
Read hex pairs, recognise malformed input and decide when a byte sequence should be decoded as text or a number.
JSON validation beyond a missing comma
Separate syntax, duplicate member names, numeric precision and schema requirements when reviewing an API payload.
Unix timestamps: seconds, milliseconds and timezone mistakes
Recognise units, preserve range and reproduce daylight-saving errors without treating a timestamp as a local clock reading.
That HAR file might be your login.
Before attaching a network trace to a support ticket, check the credentials and application data that may be travelling with it.
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6 guides