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Browse the tool catalog | Page 248

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 248.

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Math, Date & Finance639

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video600

Image, audio, and video processing, conversion, and optimization tools

Design & Color294

Color, layout, graphics, visual styling, and design helper tools

Text & Writing206

Writing, cleanup, formatting, extraction, and text analysis tools

Developer & Web189

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding172

Format, file, archive, unit, and encoding conversion tools

Excel Formula Engineering

Absorbance Quantification and Acid-Base Calculations

JSON Structure Surgery

Tabular Data Cleanup, Shaping, and Normalization

Professional Assembly of an Excel Workbook

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Math & Numbers

Liter to Cup

Convert liters to US cups with configurable decimal precision

Math & Numbers

Liter to Pint

Convert liters to US liquid pints with configurable decimal precision

Math & Numbers

Liter to Quart

Convert liters to US liquid quarts with configurable decimal precision

Math & Numbers

Liter to Gallon

Convert liters to US liquid gallons with configurable decimal precision

Science & Education

LC Oscillation Frequency Calculator

LC tank resonance f = 1/(2π√(LC)) with inductance and capacitance selectors, plus ω, period, and characteristic impedance √(L/C).

Science & Education

Length Contraction Calculator

L = L₀/γ for any subluminal speed: contracted length, contraction percentage, and the transverse-invariance note — muon-atmosphere companion included.

Science & Education

Lens Maker Equation Calculator

1/f = (n−1)(1/R₁ − 1/R₂) with diopters, focal length, and converging/diverging classification; R = 0 marks a plano surface.

Data Analysis

Kanban Cycle Time & Throughput Coach

Import created→started→resolved timestamps from CSV (Jira-style or simple) and get flow metrics the way agile coaches read them: lead/cycle time percentiles, WIP age, throughput per day/week/month, a cumulative flow diagram and a Little's Law consistency check.

Network

llms.txt / AI Crawler Audit Generator

Generate an llms.txt file (llmstxt.org v2 format: H1, blockquote summary, H2 file lists) from a live site crawl or a pasted page inventory, and audit robots.txt policies for GPTBot, ClaudeBot, PerplexityBot and Bytespider using the RFC 9309 matching algorithm — with allow/block previews and ready-to-paste directives.

Math & Numbers

Linear Programming Simplex Solver (Two-Phase)

Two-phase simplex for 2–6 variables and 1–8 ≤/≥/= constraints: Bland's rule, per-iteration pivot log, optimal/unbounded/infeasible status, and substitution checks.

Math & Numbers

Laplace Transform Calculator (Table Lookup)

Table lookup of L{f(t)} for 14 standard pairs, with parameter substitution, region of convergence, derivation note, and optional numeric F(s₀) evaluation.

Education

kVp/mAs Radiographic Parameter Converter

Convert mAs ↔ µAs/mC/C charge units and compute equivalent-technique mAs after changing kVp (n ≈ 5 power law, 15 % rule).