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Browse the tool catalog | Page 80

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 80.

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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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Fitness

RPE Calculator

Calculate Rate of Perceived Exertion for training intensity assessment

Fitness

Running Calorie Calculator

Calculate calories burned while running

Validation

Special Character Validator

Check if a string contains special characters like !@#$%^&*()_+ and identify which ones are present

Finance

Stock Option Calculator

Calculate profit/loss for stock call and put options

Validation

Strong Password Validator

Validate password strength against common security requirements (uppercase, lowercase, numbers, special chars, length)

Validation

SemVer Validator

Validate Semantic Versioning 2.0.0 version numbers (x.y.z-alpha.1 format)

Media

Stereo to Surround

Upmix a stereo file to a surround sound format

Media

Stereo to Mono Converter

Convert a stereo audio file to mono

Data Visualization

Rose Chart Generator

Generate beautiful Nightingale rose charts (coxcomb charts) to visualize data through both angle and area, perfect for comparative analysis and historical data presentation

Data Visualization

Stacked Bar Chart Generator

Generate interactive stacked bar charts to visualize categorical data composition, perfect for comparing multiple data series across categories

Data Visualization

Stream Graph Generator

Generate beautiful stream graphs for time series data with smooth flowing animations and baseline variations

Data Visualization

Step Chart Generator

Create step charts with staircase-style data visualization, perfect for showing discrete changes over time