Marker.io
BugHerd
Usersnap
Userback
Bird Eats Bug
Pastel
Markup.io
Bugasura
DevUtilX
NanoUtil
DevPicker
Appkit
Best Programming Toolkit
100+ Developer Tools
CodifyFormatter.org
DeveloperToolsKit
Collect website feedback from your team, clients, and users.
Get feedback with screenshots & technical metadata directly into your favorite project management tool.
Say goodbye to messy emails, spreadsheets and powerpoint. There is a better way!
Marker.io
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DevUtilX's answer:
All-in-One Toolkit โ Over 100+ tools in a single place (no more 20 bookmarks).
Consistent UI/UX โ Same design language, editors, copy/download buttons โ smooth switching.
Wide Variety โ From JSON formatters โ CSS generators โ QR/barcode makers โ validators โ image compressors.
Dev-Friendly by Design โ Built with features developers love: syntax highlighting, toasts, live previews.
DevUtilX's answer:
Competitors often give you one tool per site. DevUtilX brings 100+ tools under one roof โ less tab-hopping, more productivity.
DevUtilX has a clean, consistent UI with instant results.
Built for developers by developers: syntax highlighting, live previews, download/copy buttons, dark mode โ the little details that matter.
DevUtilX's answer:
DevUtilX's answer:
Every developer knows the struggle: Youโre in the middle of coding, and suddenly you need a quick JSON formatter, a CSS gradient generator, or a way to validate an API response. You Google it, land on a cluttered site, use the tool once, and then repeat the cycle tomorrow with another tool.
That frustration was the seed for DevUtilX.
The idea was simple: what if all these everyday developer tools lived in one clean, reliable place? A place that didnโt force sign-ups, didnโt send your code to unknown servers, and didnโt make you click through pop-ups just to copy your output.
So DevUtilX was born โ a Swiss Army knife for developers. Instead of 20 scattered bookmarks, you get 100+ free tools under one roof: formatters, validators, converters, generators, CSS helpers, image utilities, and more. Each tool works instantly in your browser, powered client-side for speed, privacy, and simplicity.
What started as a small personal project has now grown into a platform used by developers, students, and freelancers around the world. And the journey isnโt done โ with community feedback, new tools keep getting added to make DevUtilX even more powerful.
Based on our record, Marker.io seems to be more popular. It has been mentiond 8 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.
Marker.io is a feedback tool that allows users to attach product comments to a given UI component in an app. Itโs overlaid on the UAT environment, and allows users to export screenshots and logs alongside their review comments. User feedback comments can be automatically converted to tickets. - Source: dev.to / over 1 year ago
This is a really nice note and solution of the problem. What is the difference from your competitor https://marker.io/? - Source: Hacker News / over 3 years ago
I'm looking for a free and/or open source self-hosted alternative to marker.io for visual bug tracking/reporting. Source: over 3 years ago
Also keep an eye on this discussion to make issue forms available on private repos. Until this is possible, marker.io & Linear are a solution. Source: about 4 years ago
I work for a really small startup ( https://marker.io ) that focuses on drastically improving website feedback workflows for agencies/ clients. In some cases agencies say:. Source: over 4 years ago
BugHerd - BugHerd: The Website Feedback Tool for Agencies
NanoUtil - Generate UUIDs, format JSON/XML, create test data, and calculate compound interest. Over 20 free web tools that work offline. No sign-ups or data collection.
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.
DevPicker - Free online tools for website developers, choose from text (convert, upper, lower, reverse, alternating), random (integer, color, country, youtube video), string (json decode, php serialize etc.) and lots more tools.
Userback - Userback empowers product teams to collect, understand, and act on user feedback with unprecedented speed and clarity.
Appkit - A collection of generators for web development