Browse the tool catalog - Utilities | Page 3 | Elysia Tools

Elysia Tools

Browse tools, examples, visual explainers, and topic guides from one clear workspace.

Top Categories

Hubs

Language

ZH ES PT RU FR DE EN

Elysia Tools

Navigation

Tools

Browse the tool catalog - Utilities | Page 3

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Focused on Utilities. Page 3.

Previous 1 2 3 4 Next

Math, Date & Finance613

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

Images, Audio & Video582

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

Design & Color291

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

Text & Writing204

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

Developer & Web172

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding169

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

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

Docs Pricing Terms of Service Privacy Policy Contact

Utilities

Multi-Timezone Working-Hours Overlap Finder

Find meeting windows where 2–6 participants across time zones are all working. Computes UTC intersection, ranks by comfort, exports .ics.

Utilities

MIME Type Detector

Detect MIME type from file extension or filename

Utilities

Magic Number Detector

Identify file types by their magic numbers (file signatures)

Utilities

Lewis Structure & VSEPR Predictor

Predict the Lewis dot structure, valence electrons, central atom, lone pairs, and VSEPR geometry (linear / trigonal / tetrahedral / …) of a covalent molecule.

Utilities

Fertilizer N-P-K Blend Calculator

Compute how to mix base fertilizers to hit a target N-P-K analysis like 10-10-10. Outputs per-fertilizer kg plus a parts ratio for any batch size.

Utilities

File Type Detector (Magic Number)

Identify a file by its magic-number byte signature, not the extension. Reads the uploaded file directly across ~70 types.

Utilities

File Encoding Converter

Convert file encoding with auto-detection support between UTF-8, GBK, ISO-8859-1 and other character encodings

Utilities

File Hash Verifier

Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes

Utilities

File Extension Finder

Find file extensions by searching file type name or description

Utilities

ISO Week Number and Fiscal Quarter Anchor Finder

Convert any date to ISO 8601 week number, day-of-year, Julian Day, and fiscal-quarter boundaries (4-4-5, 4-5-4, 13-week, or standard).

Utilities

Interior Paint Coverage Estimator

Estimate how many buckets of interior paint you need from room dimensions, doors/windows, coats, paint coverage, and bucket size — rounded up to whole buckets, with optional primer and waste factor.

Utilities

IUPAC Organic Naming Tool

Parse SMILES, detect the senior functional group, find the longest carbon chain, and emit a teaching-oriented IUPAC name with E/Z and R/S hints.