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Browse the tool catalog | Page 255

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 255.

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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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Document Tools

LibreOffice ODP to PDF

Batch convert ODP presentations to PDF via LibreOffice while preserving original layout

Document Tools

LibreOffice ODS to PDF

Batch convert ODS spreadsheets to PDF via LibreOffice while preserving original layout

Document Tools

LibreOffice ODT to PDF

Batch convert ODT documents to PDF via LibreOffice while preserving original layout

Document Tools

LibreOffice DOCX to PDF

Batch convert .doc/.docx files to PDF via LibreOffice while keeping original layout

Document Tools

LibreOffice PPT to PDF Handouts

Convert PPT/PPTX to PDF and optionally render handout layout with multiple slides per page

Document Tools

LibreOffice XLSX to PDF Report

Convert Excel workbooks to multi-page PDF reports via LibreOffice and merge batch outputs

Format Conversion

KML to GeoJSON Converter

Convert KML (Keyhole Markup Language) format to GeoJSON format

Data Processing

Keys In List

List own and inherited keys using lodash _.keysIn

Data Processing

Keys List

List own enumerable keys using lodash _.keys

Data Processing

Last Item

Get the last item from an array using lodash _.last

Validation

License Plate Validator

Validate license plate formats from multiple countries including China, USA, Japan, and more

AI Tools

Kanban Board Tool

Free Kanban Board tool for team collaboration. Invite members, manage subtasks, and edit shared documents in real-time. No credit card required.