Data & Developers

Turn a CSV file into SQL INSERT statements free online — name your table and get ready-to-run queries. Great for seeding databases.

Convert CSV to a Markdown table free online for READMEs, GitHub issues and docs — and turn Markdown tables back into CSV. Quick guide.

CSV all in one column, broken characters, or numbers turned to dates? Why CSVs open wrong in Excel and the fixes — including converting to .xlsx.

Excel (.xlsx) vs CSV (.csv) explained — formatting, formulas, size and compatibility — plus when to use each and how to convert between them.

How linear-gradient() works, every direction keyword, and ready-to-use gradient code — plus a free live CSS gradient generator.

camelCase, snake_case, kebab-case, PascalCase and CONSTANT_CASE — what each is, where it's used, and a free converter.

What each field in a cron schedule means, common examples decoded, and a free tool that explains any expression in plain English.

MD5 for checksums, SHA-256 for integrity, bcrypt for passwords — the three hashes developers confuse, what each is for, and when each is dangerous.

What #7C5CFF, rgb(124,92,255) and hsl(252,100%,68%) really mean — the three ways to write a color, when to use each, and a free converter.

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.

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.

Beautify minified JSON, catch syntax errors, and convert to CSV — free developer tools that run in your browser with no upload.