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Browse the tool catalog | Page 245

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 245.

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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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Format Conversion

Markdown to Slack mrkdwn

Convert GitHub-flavored Markdown into Slack-friendly mrkdwn and flag unsupported constructs

Media

M4A to AAC Converter

Convert M4A (MPEG-4 Audio) files to raw AAC format with quality and channel controls

Media

M4A to OGG Converter

Convert M4A (MPEG-4 Audio) files to OGG Vorbis format with quality and channel controls

Math & Numbers

Logistic Regression Calculator

Fit a binary logistic regression model with gradient descent and predict class probabilities

Math & Numbers

Mann-Whitney U Test Calculator

Compare two independent samples with the nonparametric Mann-Whitney U rank-sum test

Math & Numbers

Margin of Error Calculator

Calculate the margin of error for a mean or proportion from sample size, confidence level, and variability

Math & Numbers

Logarithm Calculator

Calculate logarithms with any valid base, with optional log10, log2, and natural-log comparisons

Math & Numbers

Percentage Calculator

Solve common percentage questions including percentage of a total, value from a percentage, and percentage change

Development

Log Sequence Diagram Converter

Convert structured service logs into Mermaid or PlantUML sequence diagrams, with optional latency and error annotations

Text Processing

Markdown Table Generator

Generate formatted Markdown tables from CSV, JSON, or array data with alignment, header styles, width control, and merge hints

Browse the tool catalog | Page 245

Markdown to Slack mrkdwn

M4A to AAC Converter

M4A to OGG Converter

Logistic Regression Calculator

Mann-Whitney U Test Calculator

Margin of Error Calculator

Logarithm Calculator

Percentage Calculator

Log Sequence Diagram Converter

Markdown Table Generator

Markdown Report Bundler

Markdown to PDF Theme Pack