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Browse the tool catalog | Page 254

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 254.

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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

Kendall Tau Calculator

Calculate Kendall tau-a and tau-b rank correlation for paired numeric data

Math & Numbers

Kurtosis Calculator

Calculate raw and excess kurtosis to measure tail weight and peakedness of a distribution

Math & Numbers

Linear Equation Solver

Solve linear equations of the form ax + b = 0 using coefficients or a typed equation

Security

JWT Decoder & Security Auditor

Decode JWT header and payload, verify HS256 or RS256 signatures, and flag algorithm, expiry, and sensitive-claim security risks

Math & Numbers

KMH to MPH

Convert kilometers per hour to miles per hour with configurable decimal precision

Math & Numbers

KM to Miles

Convert kilometers to miles with configurable decimal precision

Math & Numbers

KG to LB

Convert kilograms to pounds with configurable decimal precision

Math & Numbers

LB to KG

Convert pounds to kilograms with configurable decimal precision

Document Tools

LibreOffice DOCX to PDF/A

Convert DOC/DOCX to PDF/A using LibreOffice rendering and Ghostscript conformance pass

Document Tools

LibreOffice Office to Image

Convert Office files to PNG/JPG previews with LibreOffice, with optional thumbnail resize

Document Tools

LibreOffice Template Fill Merge

Replace placeholders in DOCX template and render merged records to PDF using LibreOffice

Document Tools

HTML Mail to PDF

Render email HTML content to PDF with preserved basic formatting using Puppeteer