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标记为「format」
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- 资源ToolJSON FormatterPretty-print, validate, and minify JSON in the browser. Indent picker, instant invalid-input feedback. The one tool every API consumer reaches for. Native JSON.parse + stringify, no upload, no server round-trip.
- 资源ToolUnix Timestamp ConverterTwo-way Unix ↔ ISO converter with UTC, local, milliseconds, and relative time. Live 'now' badge. Reading logs and debugging cron windows without doing math in your head.
- 资源ToolNumber Base ConverterConvert numbers between binary, octal, decimal, and hex. Underscores + 0x/0o/0b prefixes accepted, BigInt-safe. Bit twiddling and Chmod-style work feels less brittle when you can see every base at once.
- 资源ToolCron ExplainerParse a 5-field cron expression and read it back in English. Supports *, ranges, lists, and steps. I shouldn't have to mentally parse `*/15 9-17 * * 1-5` to confirm a schedule.
- 资源ToolHTTP Status LookupSearchable list of HTTP status codes with class colors, plain-English meanings, and common causes. Quicker than skimming MDN when you just need to remember what 422 actually signals.
- 资源ToolMIME Type FinderLook up MIME types by extension or extensions by MIME type. ~45 of the file types you actually serve. Configuring an Accept header or a static-file server is faster with a short, opinionated list.
- 资源ToolRegex TesterLive pattern + flags against a sample buffer. Highlighted matches, capture groups inspector, error messages. The fastest way to know whether your regex actually matches what you think it does.
- 资源ToolCSV ↔ JSONTwo-way CSV ↔ JSON converter. Proper quote and comma escaping, header row support, downloads or copy. Eyeball a spreadsheet export as objects, or shape a JSON dump into something a non-engineer can open.
- 资源ToolJSON → TypeScriptGenerate a TypeScript interface from any JSON sample. Arrays merge to union members; nested objects get their own types. Bootstrapping types from an unfamiliar API response is the most repeated task in any new integration.
- 资源ToolSQL FormatterUppercase keywords, break on major clauses, indent sub-blocks. Quick-pass formatter, no AST. A pasted one-line query is unreadable; this gets it 80% of the way to legible without a service round-trip.
- 资源ToolRoman Numeral ConverterTwo-way Roman ↔ decimal converter. Validates canonical form (no double subtractive, no rank repetition over 3). Stamping a copyright year is easy; reading MMXXVI in someone else's headline is less so.