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Interest calculator, compound interest, simple interest, loan payment, mortgage calculator, annuity, APR APY, future va…

Percentage calculator, percent of, percent change, percent increase decrease, what percentage, tip calculator, discount…

Random number generator, random integer, random float, dice roll, lottery numbers, coin flip, cryptographically secure …

Statistics calculator, mean median mode, standard deviation variance, quartiles, min max range, descriptive statistics,…

Unit converter, measurement conversion, metric imperial, length weight temperature speed area volume, kilometer to mile…

Extract all links from markdown: inline, reference, autolinks, images. Returns array of {type, text, url, title}. Use u…

Compute markdown stats: words, characters, paragraphs, headings, code blocks, links, images, reading time (200 wpm). Us…

Strip all Markdown syntax, returning plain text (no headings, links, code, emphasis, lists). Use url param or ?text=...…

Extract Markdown table of contents (h1-h6 headings) with anchor slugs. Returns array of {level, text, anchor}. Use url …

Detect text language with rule-based unicode-script + Latin stopword matching. Returns ISO 639-1 code, detection method…

Compute readability scores for English text (Flesch Reading Ease, Flesch-Kincaid Grade, ARI, Coleman-Liau, Gunning Fog,…

Lexicon-based sentiment scoring (AFINN-style). Returns raw score, length-normalized score, label (positive/neutral/nega…