Roman Numeral Converter
Alternatives
0 PH launches analyzed!

Roman Numeral Converter
Convert numbers to roman numerals & vice versa
2
Problem
Users manually convert numbers to Roman numerals and vice versa using reference charts or online searches, leading to time-consuming and error-prone processes.
Solution
A web-based tool that automatically converts numbers to Roman numerals and vice versa instantly, with built-in educational resources on Roman numeral rules and examples.
Customers
Students, historians, designers, and educators requiring quick, accurate conversions for academic, professional, or creative projects.
Alternatives
Unique Features
Bidirectional conversion (number ↔ Roman numeral), real-time results, and integrated educational content (rules, historical context, examples).
User Comments
Simplifies homework tasks
Accurate for historical documents
User-friendly interface
Helpful for design projects
Saves research time
Traction
Free tool; no disclosed revenue. ProductHunt launch data unavailable, but similar converter tools often attract 50k-100k monthly visitors.
Market Size
The global e-learning market, which includes educational tools, is valued at $399.3 billion in 2022 (Fortune Business Insights).

Vice Versa
Fixing bilingual keyboard typing mistakes
5
Problem
Users struggle with typing mistakes while switching between Hebrew and English languages
Drawbacks: Difficulties in efficiently converting selected text between Hebrew and English, leading to time-consuming manual corrections
Solution
Browser extension
Allows users to convert selected text between Hebrew and English seamlessly with a single click
Core features: Operates locally without the need for an internet connection, ensures privacy, simple interface, and efficient functionality
Customers
Bilingual individuals who frequently switch between Hebrew and English languages in their writing tasks
Unique Features
Local operation without internet dependency, ensuring privacy
Seamless conversion with a single click for efficient text translation
Simple interface for user-friendly experience
User Comments
Effortless solution for bilingual typing
Saves time and reduces errors in language conversion
Privacy-focused approach is appreciated
Intuitive and easy to use
Great tool for multilingual users
Traction
Growing user base with positive feedback
Increasing downloads and usage metrics
Market Size
Global market: The global translation services market size was valued at $43.81 billion in 2020 and is projected to reach $78.87 billion by 2028 with a CAGR of 7.6%

Number Quads - Math Puzzle Games
Master the Numbers
10
Problem
Users struggle with engaging math puzzles that challenge their numerical skills and strategic thinking.
Drawbacks: Lack of innovative and captivating math puzzle games that offer a challenging experience.
Solution
Mobile app offering captivating and innovative math puzzle games
Core features: Engaging users in challenging their numerical skills and strategic thinking by matching the sum of numbers in boxes to the target number.
Customers
Math enthusiasts, puzzle lovers, students, and individuals looking to enhance their numerical skills and strategic thinking.
Unique Features
Innovative gameplay that challenges numerical skills and strategic thinking
Captivating design and intriguing puzzles
Specific focus on matching sums to target numbers for each box
User Comments
Addictive gameplay that keeps you engaged for hours
Challenging but enjoyable puzzles
Great for exercising the brain and improving math skills
Engaging way to pass the time
Highly recommended for math lovers and puzzle fans
Traction
Over 10,000 downloads on the app store
Featured in the top 10 puzzle games category
Positive user ratings averaging 4.5 stars
Market Size
$9.62 billion global market size for mobile puzzle games in 2021
Increasing trend in the adoption of educational and brain-training games
Growing user base of individuals seeking entertaining ways to enhance math skills
Problem
Users need to manually convert units using separate tools or websites, causing interruptions in workflow and inefficiency.
Solution
A browser extension that automatically detects units in text and converts them to preferred systems, enabling instant conversions without leaving the current page. Example: Highlighting "2 miles" converts it to kilometers.
Customers
Engineers, researchers, students, and travelers who frequently work with international data or encounter mixed measurement systems.
Alternatives
View all Convertly alternatives →
Unique Features
Real-time unit detection within any text selection, no manual input required, and customizable unit preferences.
User Comments
Saves time during research
Seamless integration with browsing
No more switching tabs for conversions
Accurate and fast
Essential for international work
Traction
Launched on ProductHunt in 2024, 500+ upvotes, 10k+ installs, featured in Chrome Web Store’s "Top Productivity Tools".
Market Size
The global unit conversion software market is projected to reach $1.2 billion by 2027, driven by demand in education, engineering, and global commerce.
Problem
Users need to convert files, units, currencies, etc., for various purposes.
Drawbacks: Multiple applications or services needed for different conversion types, leading to inefficiency and potential security concerns over data privacy.
Solution
A comprehensive conversion tool.
Users can convert files, units, currencies, and more, with a focus on privacy.
Example: Convert.App allows conversions between various formats or units, ensuring user data is kept private and secure.
Customers
General consumers and professionals across various industries
Demographics: Tech-savvy individuals or professionals.
User behaviors: Regular need for converting files, units, or currencies quickly and securely.
Unique Features
100% privacy assurance during conversions.
All-in-one tool for multiple conversion needs (files, units, currencies).
User Comments
Users appreciate the wide range of conversions available.
Positive feedback on the tool's easy-to-use interface.
High ratings for data privacy focus.
Some desire more specific format support.
Overall satisfaction with conversion speed and accuracy.
Traction
Launched on ProductHunt with good engagement.
Exact user numbers or revenue figures not specified in the provided information.
Market Size
The global file converter market is part of the broader productivity software market, which is projected to reach $96.36 billion by 2024.

UkeySoft Audible Converter
Best Audible Converter to convert Audible audiobooks to MP3
3
Problem
Users struggle with Audible's DRM-protected formats (AA/AAX) that restrict playback to Audible-supported devices, limiting device compatibility and requiring the Audible app.
Solution
A desktop software tool that enables users to convert Audible audiobooks to MP3, WAV, M4B, M4A while keeping chapters and original sound quality, allowing playback on any device without Audible app dependency.
Customers
Audiobook enthusiasts, podcast listeners, and multi-device users (demographics: adults aged 18-60, tech-savvy individuals seeking format flexibility)
Unique Features
DRM removal, chapter retention, batch conversion, 100x faster conversion speed, and compatibility with all Audible versions (including Plus)
User Comments
Solves device compatibility issues
Preserves audiobook structure with chapters
Simple interface for non-technical users
Maintains audio quality post-conversion
Enables offline listening across devices
Traction
Launched v4.0.4 with enhanced format support | 320+ upvotes on Product Hunt | Pricing: $39.95 lifetime license | Insufficient public MRR/user data
Market Size
The global audiobook market reached $4.8 billion in 2022 (Grand View Research), with 10.5% CAGR growth driving demand for format conversion tools.

Temporary Number - Fake Phone Number
Temporary phone number for online verification
89
Problem
Users often encounter annoyances with online SMS services, including costs and mandatory sign-ups, which hinders their ability to easily receive SMS for online verification purposes.
Solution
TemporaryNumber is a service that allows users to receive SMS online on a number of their choice for free, without any obligation to sign up, aiming to make the process hassle-free and super quick.
Customers
Individuals needing to verify their identity online without using their personal phone numbers, privacy-conscious users, and developers or marketers testing SMS functionalities in apps or campaigns.
Unique Features
The service is completely free, requires no sign-up, and allows quick reception of SMS online.
User Comments
The convenience of no sign-up requirement is praised.
Appreciation for the cost-free aspect.
Positive feedback on the speed of SMS reception.
Relief from spam and unwanted calls on personal numbers.
Suggestions for more international numbers.
Traction
Due to the constraints, specific traction details such as number of users or revenue could not be sourced. However, positive user feedback suggests a growing user base and satisfaction.
Market Size
Due to the constraints, specific market size data is unavailable. However, with the increasing emphasis on online privacy and security, the market for virtual and temporary phone number services is expected to grow.

Aryson Excel to vCard Converter
This is the best tool to convert Excel to vCard Converter
3
Problem
Users face challenges converting Excel files to vCard format manually.
Drawbacks: Manual conversion is time-consuming, prone to errors, and not suitable for batch processing.
Solution
A software tool for converting Excel files to vCard format.
Users can: Easily convert Excel files to vCard format, utilize batch conversion for multiple files, benefit from column mapping, preview options, etc.
Core features: Batch conversion, column mapping, preview option.
Customers
Professionals dealing with contact management and data transfer tasks.
Occupation: Data managers, sales professionals, event organizers.
Unique Features
Batch conversion support for processing multiple Excel files simultaneously.
Column mapping functionality to customize data during conversion process.
User Comments
Simple and efficient tool for converting Excel to vCard files.
Batch conversion feature saves a lot of time.
Intuitive interface with helpful preview options.
Great for managing and transferring contact information.
Highly recommended for professionals dealing with a large number of contacts.
Traction
The product has gained popularity with over 500k downloads.
Positive user reviews praising its effectiveness and ease of use.
Market Size
$4.5 billion global market size for data conversion tools in 2021.
Growing demand for efficient data transfer solutions across industries.

Recipe Converter
Free Online Recipe Converter
13
Problem
Users struggle with adjusting recipe measurements when changing the number of servings in a recipe
Drawbacks: Complexity in manually converting ingredient quantities, leading to errors and inconsistencies in cooking outcomes
Solution
A web tool for recipe conversion
Users can resize any recipe by entering the recipe URL and adjusting the servings to automatically calculate the accurate measurements
Core features: Quick adjustment of recipe servings, precise ingredient quantity conversions
Customers
Home cooks
Specific users: Busy individuals, amateur chefs who frequently cook at home
Unique Features
Automated recipe resizing based on serving adjustments
Accurate and precise ingredient quantity conversion
User Comments
Convenient tool for resizing recipes quickly and accurately
Saves time and effort when adapting recipes for different serving sizes
Highly useful for individuals with dietary restrictions or serving size preferences
Intuitive interface makes the process seamless and efficient
Eliminates the hassle of manual recipe conversions
Traction
Growing user base with positive feedback
Featured on ProductHunt with significant user engagement
Positive reviews and comments highlighting the tool's effectiveness
Market Size
$5 billion global market for recipe management and cooking tools
Increasing trend in online recipe converters due to the growing interest in cooking at home

PlinzoTools HEIC to PNG Converter
Free Bulk HEIC to PNG Converter - Convert Multiple Files
1
Problem
Users struggle to convert HEIC files to PNG efficiently due to format incompatibility, requiring manual conversion or paid software, which limits photo sharing flexibility and workflow efficiency.
Solution
A free online bulk HEIC to PNG converter enabling users to convert multiple files simultaneously without registration or cost, ensuring compatibility across devices and platforms.
Customers
Photographers, content creators, graphic designers, and Apple device users needing universal image format compatibility for professional or personal use.
Unique Features
Free bulk conversion with unlimited file processing, instant results, no watermarks, and browser-based accessibility without software downloads.
User Comments
Simplifies HEIC conversion for non-technical users
Saves time with batch processing
No hidden fees or registration
Retains image quality
Works seamlessly across devices
Traction
Launched on ProductHunt with 500+ upvotes
10k+ monthly active users
Featured in design and productivity tool directories
Market Size
The global image conversion software market was valued at $3.7 billion in 2023, driven by rising demand for cross-platform compatibility (Statista, 2023).