THE FEUTEX TOOLKIT
A little know-how goes a long way.
Short, practical guides for everyday tasks.
Format JSON without changing its meaning
JSON is a data format, not JavaScript. Use double-quoted keys and strings; remove comments and trailing commas. Pretty printing ch…
Read guide →Build consistent campaign URLs
Choose a stable naming convention before generating UTM links. Use lowercase source and medium values and a readable campaign iden…
Read guide →Choose the right image format
JPEG is useful for photographs and does not preserve transparency. PNG preserves transparency and sharp edges but can be larger. W…
Read guide →Encoding is not encryption
Base64 and URL encoding change how data is represented; they do not keep secrets. Anyone can decode Base64. Hashing is one-way and…
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