How to Convert JSON to YAML Online
How to convert JSON to YAML online: paste JSON to get indented YAML with types preserved per YAML 1.2.2 & RFC 8259. Covers nesting, arrays & special values. Try
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Word Counter: How to Count Words in Any Text Instantly
How to count words in any text instantly: words, characters, sentences & paragraphs — with reading time & keyword density. Free online word counter for any sour
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How to Convert JSON to CSV Online (Step-by-Step)
How to convert JSON to CSV online: paste JSON array, choose delimiter and nested handling (flatten vs stringify), and copy header + rows. Try the free tool.
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JSON Formatter & Validator: How to Format and Validate JSON Online
How to format and validate JSON online: beautify/minify per RFC 8259, fix trailing commas, single quotes & unquoted keys with line/col pinpoint. Try the free to
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Tile Calculator: How Many Tiles Do You Need for Your Floor?
How many tiles for your floor? Calculate room area ÷ tile area plus waste (10-15%) for 12×12, 12×24 & more — with boxes, grout & cost. Try the free calculator.
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Stair Calculator: How to Calculate Rise, Run & Step Count
How to calculate stairs: rise, run, step count, total run & stringer. Covers IRC code (7.75 max rise, 10 min run), comfort formula & layouts.
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How to Calculate Roof Pitch (With Formula and Examples)
How to calculate roof pitch: rise over 12, angle via arctan, rafter length and pitch factor. Includes 4/12 to 12/12 examples and how to measure existing roofs.
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How to Estimate Roofing Cost for Your Project
How to estimate roofing cost: roof area = footprint × pitch factor, squares = area÷100, cost = squares × $/sq + waste + tear-off. Free calculator with pitch & m
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Square Footage Calculator: How to Measure Any Room or Space
How to measure square footage for any room or space: rectangle, L-shape, circle & triangle formulas, ft/in to sq ft, and conversions to sq yd, sq m & acres.
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Percentage Calculator: How to Calculate Percentages Instantly
How to calculate percentages instantly: 5 types — what is X% of Y, X is what % of Y, increase/decrease & more — with formulas, real examples & mental tricks.
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Mortgage Calculator: How to Estimate Your Monthly Home Loan Payment
Estimate your monthly home loan payment: P&I, PITI, PMI, HOA, total interest & amortization. Free mortgage calculator with extra payment & 15 vs 30yr comparison
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How to Create a QR Code for Your Email Signature or Campaign
Learn how to create a QR code for email signatures (vCard) and campaigns (UTM-tracked URL). Covers types, design for small sizes, static vs dynamic, placement &
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