JSON, CSV, Excel, code and data-conversion guides for developers and analysts.
Data & Developers
Paste CSV with a header row and get one INSERT per row. How the converter quotes text, numbers and NULLs, its MySQL backslash gap, and faster bulk-load commands.
8 min read
Data & Developers
Convert CSV to a Markdown table free online for READMEs, GitHub issues and docs — and turn Markdown tables back into CSV. Quick guide.
2 min read
Data & Developers
CSV all in one column, garbled Hindi or ₹, missing zeros, 1.23E+11 or wrong dates in Excel? The cause of each problem and the import settings that fix it.
9 min read
Data & Developers
CSV is plain text holding one table; Excel .xlsx is a zipped workbook with sheets, formulas, formats and types. A side-by-side comparison and when to use each.
7 min read
Data & Developers
How CSS linear, radial and conic gradients work: angles, colour stops, hard edges and repeating patterns, with tested copy-paste code and browser support.
9 min read
Data & Developers
camelCase, snake_case, kebab-case, PascalCase and CONSTANT_CASE — what each is, where it's used, and a free converter.
2 min read
Data & Developers
What each field in a cron schedule means, common examples decoded, and a free tool that explains any expression in plain English.
1 min read
Data & Developers
MD5 for checksums, SHA-256 for integrity, bcrypt for passwords — the three hashes developers confuse, what each is for, and when each is dangerous.
2 min read
Data & Developers
#7C5CFF, rgb(124, 92, 255) and hsl(252, 100%, 68%) are one colour. Learn each format, convert by hand both ways, add transparency and pick the right one.
7 min read
Data & Developers
Those long strings like 550e8400-e29b-41d4-a716-446655440000 — what they are, why they almost never collide, and when to use them instead of IDs.
2 min read
Data & Developers
Regular expressions look like line noise but follow simple rules. The core syntax, the patterns you'll reuse forever, and a free live regex tester.
2 min read
Data & Developers
What Base64 actually does, why it is not encryption, and the everyday developer situations where you need it — with free encode and decode tools.
1 min read
