Marvel
Invision
Figma
UXpin
Axure RP
Adobe XD
Moqups
Proto.io
Aether Tool
Hasare
IT Tools
Ahrefs
DevToys
FreeToolkit
10015.io
JSON 44
Free 55+ developer tools โ JSON formatter, PHP obfuscator, code beautifier, QR generator, hash tools & more. No signup, no limits.
Marvel Aether ToolAether Tool's answer:
Aether Tool consolidates over 50+ essential developer utilities into a single, lightning-fast, and minimalist web interface. Unlike other platforms that fragment tools across multiple sites or bury them under premium paywalls, Aether Tool provides everythingโfrom JWT decoding and JSON formatting to CSS generation and SVG optimizationโin one unified, frictionless experience.
Aether Tool's answer:
Speed and an absolute lack of friction. Most competitors clutter their tools with aggressive advertisements, require account registrations, or hide essential features behind paid subscriptions. Aether Tool is 100% free, requires zero sign-ups, loads instantly, and respects user privacy. Itโs built purely for developers who want to get the job done quickly without distractions.
Aether Tool's answer:
Aether Tool is built using modern web technologies to ensure fast performance. The frontend leverages lightweight JavaScript and optimized CSS for a highly responsive UI. Many of the tools run entirely client-side for maximum privacy and zero-latency execution, ensuring sensitive data (like passwords or tokens) never leaves the user's browser.
Aether Tool's answer:
The primary audience includes web developers (both frontend and backend), software engineers, system administrators, UI/UX designers, and technical SEO specialists. It is also highly valuable for computer science students and indie hackers who need quick, reliable utilities for daily coding and formatting tasks.
Aether Tool's answer:
Aether Tool was born out of pure developer frustration. I was tired of having 15 different websites just to format a JSON file, test a Regex pattern, generate a secure UUID, and compress an SVG. Constantly googling for these disjointed, ad-heavy mini-tools broke my flow state. So, I decided to build the ultimate "Swiss Army knife" to house every essential utility in one clean, centralized, and fast platform.
Aether Tool's answer:
Since Aether Tool is a completely free, privacy-focused utility platform rather than enterprise B2B software, we don't track corporate client data.
Based on our record, Marvel seems to be more popular. It has been mentiond 12 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Marvelapp.com โ Design, prototyping, and collaboration, free plan limited to one user and project. - Source: dev.to / over 2 years ago
At this stage your main goal should be to prototype it and test it with people to validate the idea. Or at the very least have something people can look at and respond to. Donโt worry about building a coded and working version yet. Start with a clickable prototype which can be built using design tools. Most people use Figma these days but if youโre just starting out you could use something like Marvel, which is... Source: over 3 years ago
Marvelapp.com โ Design, prototyping and collaboration, free plan limited to one user and one project. - Source: dev.to / over 3 years ago
Hi, I am doing research on some of the user testing tools out there like lookback.io, Marvelapp.com, maze.design, usabilityhub.com, userbrain.net, usertesting.com, userzoom.com. I would like to know about your experience. Source: almost 4 years ago
As far as I can remember, I saw https://marvelapp.com/ doing it to add a prototype to the homescreen. Source: over 4 years ago
Invision - Prototyping and collaboration for design teams
Hasare - Free online developer tools that run 100% in your browser. JSON formatter, URL encoder/decoder, hash generator, diff checker, YAML converter, and more. Fast, secure, no data leaves your device.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
IT Tools - IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!