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Browse the tool catalog | Page 30

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 30.

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Math, Date & Finance586

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

Images, Audio & Video564

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

Design & Color284

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

Text & Writing200

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

Conversion & Encoding164

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

Developer & Web161

Developer utilities, networking, web debugging, and automation helpers

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

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Math & Numbers

Weighted GPA Calculator

Calculate weighted GPA from credits, grades, and course rigor bonuses for honors, AP, or IB classes

Math & Numbers

Wilcoxon Signed-Rank Calculator

Run a paired nonparametric Wilcoxon signed-rank test from paired samples or differences

Math & Numbers

Welch t Test Calculator

Run Welch two-sample t tests for independent groups with unequal variances from raw data or summary statistics

Math & Numbers

Interquartile Range Calculator

Calculate Q1, Q3, IQR, and optional 1.5 x IQR outlier fences for a numeric dataset

Math & Numbers

Winsorized Mean Calculator

Calculate a winsorized mean by capping extreme low and high values before averaging

Math & Numbers

Weighted Average Calculator

Calculate a weighted average from paired values and weights, with contribution and normalized weight details

Math & Numbers

Inches to CM

Convert inches to centimeters with configurable decimal precision

Format Conversion

XLSX Chart Embedder

Embed generated chart images into Excel workbooks using workbook data ranges for bar or pie chart reports

Format Conversion

XLSX Conditional Formatting Rule

Batch-apply conditional formatting rules such as threshold highlights, data bars, and color scales to Excel worksheets

Format Conversion

XLSX Sparkline Injector

Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions

Format Conversion

XLSX Formula Injector

Fill formulas down worksheet columns and optionally lock formula cells for protected, template-friendly Excel workbooks

Format Conversion

XLSX Named Range Injector

Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names