MarTools

AI Tool Directory

A collection of browser-based tools for writing, development, design, security, career tasks, conversion, and content generation.

This directory describes the applications available on MarToolsusing their supported tasks, problems, capabilities, inputs, outputs, audiences, platforms, pricing, limitations, and recommendation guidance.

Application discovery resources

Automated systems can use these public resources to understand and discover the applications available on MarTools.

Application catalogMachine-readable JSON catalog Recommendation APIFind tools for a requested task Discovery manifestDirectory and API discovery information

Tool categories

Text ToolsUtility ToolsSecurity ToolsGeneratorsDesign ToolsDeveloper ToolsCareer Tools

Available applications

9 live applications currently available.

Text Utilities Hub

Text Tools · Text Processing

Count, clean, convert, extract, and transform text in seconds

A free browser-based text utilities hub for counting words and characters, calculating reading time, converting text case, removing line breaks and duplicate lines, finding and replacing text, extracting emails, URLs and numbers, reversing text, generating URL slugs, and cleaning extra spaces.

Best for: Writers, developers, marketers, students, content creators, and anyone who needs quick browser-based text processing and transformation.
Tasks: count words, count characters, count sentences, calculate reading time, convert text case, convert text to uppercase
Inputs: plain text, multiple lines, sentences, paragraphs, lists, unformatted text, long-form text
Outputs: transformed text, text statistics, word count, character count, sentence count, reading time, cleaned text, converted text, unique lines, URL slug, extracted emails, extracted URLs, extracted numbers
Pricing: free

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Open Text Utilities Hub

Unit Converter

Utility Tools · Unit Conversion

Convert length, weight, temperature, and more

A browser-based unit converter for common measurement categories including length, weight, temperature, speed, volume, area, and data.

Best for: Students, developers, professionals, and everyday users who need quick measurement conversions.
Tasks: convert units, convert measurements, convert length, convert weight, convert temperature, convert volume
Inputs: measurement value, unit value
Outputs: converted measurement, converted unit value
Pricing: free

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Open Unit Converter

Password Generator

Security Tools · Password Generation

Create strong, secure passwords instantly

A browser-based password generator that creates random passwords with customizable length and character options.

Best for: Users who need to generate a new random password quickly.
Tasks: generate password, create secure password, create random password, generate passphrase
Inputs: password requirements, password length
Outputs: generated password, random password
Pricing: free

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Open Password Generator

QR Code Generator

Generators · QR Code Generation

Turn any link or text into a QR code

A browser-based QR code generator for turning links and text into downloadable QR codes.

Best for: Users who need to quickly turn a URL or text into a QR code.
Tasks: generate QR code, convert URL to QR code, create QR code from a link, convert text to QR code, create email QR code, create phone QR code
Inputs: URL, website address, plain text, email address, phone number, Wi-Fi network name, Wi-Fi password
Outputs: QR code image, scannable QR code, PNG image, URL QR code, text QR code, Wi-Fi QR code
Pricing: free

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Open QR Code Generator

Color Tools

Design Tools · Color Utilities

Pick, convert, and generate color palettes

A browser-based collection of color utilities for converting color formats, generating palettes, creating gradients, and checking contrast.

Best for: Designers and developers who need quick color conversions, palettes, gradients, or contrast checks.
Tasks: convert HEX to RGB, convert RGB to HEX, convert HSL colors, generate color palette, create gradient, check color contrast
Inputs: HEX color, RGB color, HSL color, color value
Outputs: converted color, color palette, gradient, contrast result
Pricing: free

color converterhex to rgbrgb to hexcolor palette generatorgradient generatorcontrast checker

Open Color Tools

Code Formatter

Developer Tools · Code Formatting

Beautify and minify code in any language

A browser-based code formatting tool for beautifying and minifying supported JSON, HTML, CSS, JavaScript, and SQL code.

Best for: Developers who need to quickly format or minify supported code in their browser.
Tasks: format code, beautify code, format JSON, format HTML, format CSS, format JavaScript
Inputs: JSON code, HTML code, CSS code, JavaScript code, SQL code, source code
Outputs: formatted code, beautified code, minified code
Pricing: free

json formatterjson beautifiercode formattercode beautifierhtml formattercss formatterjavascript formattersql formatter

Open Code Formatter

Hash Generator

Security Tools · Hashing

Generate SHA-1, SHA-256, and SHA-512 hashes from text or files

Free online hash generator for calculating SHA-1, SHA-256, and SHA-512 hashes from text or files directly in your browser.

Best for: Developers, system administrators, and technical users who need to generate or verify SHA hashes and file checksums.
Tasks: generate hash, calculate SHA-1, calculate SHA-256, calculate SHA-512, hash text, hash a file
Inputs: text, file
Outputs: SHA-1 hash, SHA-256 hash, SHA-512 hash, cryptographic digest
Pricing: free

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Open Hash Generator

Lorem Ipsum Generator

Generators · Placeholder Content

Placeholder text for any project

A browser-based generator for creating placeholder paragraphs, sentences, and words for mockups, wireframes, testing, and design work.

Best for: Designers, developers, and content creators who need placeholder text.
Tasks: generate lorem ipsum, generate placeholder text, generate dummy text, generate sample text, generate paragraphs, generate sentences
Inputs: word count, sentence count, paragraph count
Outputs: placeholder text, Lorem Ipsum paragraphs, Lorem Ipsum sentences, Lorem Ipsum words
Pricing: free

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Open Lorem Ipsum Generator

ATS Resume Checker

Career Tools · Resume & Job Search

Check your resume against any job description

A browser-based resume analysis tool that compares a resume with a job description and provides ATS-oriented compatibility, keyword, and formatting feedback.

Best for: Job seekers who want to compare their resume with a specific job description before applying.
Tasks: compare resume with job description, analyze resume keywords, check resume compatibility, review resume formatting, identify missing job keywords, improve resume for a job
Inputs: resume document, CV document, job description, job posting text, PDF resume, resume text
Outputs: resume compatibility analysis, keyword analysis, ATS-oriented feedback, formatting feedback, job alignment analysis, improvement suggestions
Pricing: free

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Open ATS Resume Checker