Cycling through all six. Tap any point to stop.

Measured on six things

RedLinz turns marked-up screenshots into structured, AI-ready prompts — so Cursor, Claude, ChatGPT & Perplexity know exactly what to change.

Growth

Launched ~3 weeks ago (domain June 29, 2026). Zero reviews, GitHub activity, or community signals; only appears on generic product listing sites.

Screenshots

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RedLinz

About this app

RedLinz is a browser-based visual markup tool built for human-to-AI handoffs. Instead of describing a UI tweak in words or handing an AI a raw screenshot and hoping it guesses right, you mark up the image directly. Circle, arrow, or annotate with 12 standardized markup symbols — circle, arrow, rectangle, X stamp, checkmark, callout, number stamp, and more — each carrying meaning the AI can parse. RedLinz then exports a structured prompt with exact coordinates and labels instead of a flat image, so the agent stops guessing which element you meant. Works with Cursor, Claude Code, ChatGPT, Perplexity, and Grok — or any AI tool that reads text and images. All annotation happens client-side; images never leave your browser. Free forever for 5 markups/month, no card required. Upgrade to Pro ($8/mo or $82/yr) for unlimited, watermark-free exports.

Key features

112 semantic markup symbols that export structured prompts with coordinates for AI tools
2Fully client-side annotation — images never leave the browser
3Free forever tier (5 markups/month) with no card required; Pro at $8/mo

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Software developers using AI coding assistants

Pain points

Spending time describing UI bugs or changes to Cursor/Claude; miscommunication leads to repeated fixes.

Primary needs

Fast, precise visual feedback that translates to actionable AI prompts for code changes.

Demographic

UI/UX designers collaborating with AI tools

Pain points

Hard to communicate visual revisions to AI image generators (Midjourney, DALL·E); text descriptions are ambiguous.

Primary needs

A visual markup-to-prompt pipeline for iterating designs efficiently.

Demographic

Marketing professionals reviewing creatives

Pain points

Tedious back-and-forth with designers or AI tools over ad copy, banners, and landing pages.

Primary needs

Markup screenshots with annotations and get AI to revise copy or layout without long emails.

Scout Review

Written by AI from measured evidence, scored out of 100.

RedLinz is a focused, no-install solution for precise AI handoffs via visual markup. It excels at solving a specific pain point for AI-assisted developers and designers with semantic annotations and clean exports. The product is early but the core experience is already polished and useful.

Measure by measure

Usability

Straightforward 4-step flow, instant browser workspace, generous free tier with no card. Semantic symbols and export are well explained; learning curve is minimal.

Design

Standard SaaS landing page with clear demo screenshots. Annotation colors pop but layout feels template-driven with some low-contrast text and overlapping elements in previews.

Speed

Mobile Lighthouse 76/100 with 4.4s LCP; desktop 97/100. No user lag reports; new site loads acceptably for a lightweight client-side tool.

Security

HTTPS + HSTS in place and fully client-side processing. Missing multiple security headers and any compliance certifications or audits.

Accessibility

Strong automated score of 93/100 but two clear failures on contrast and heading order. No dedicated a11y docs or statements found.

Growth

Launched ~3 weeks ago (domain June 29, 2026). Zero reviews, GitHub activity, or community signals; only appears on generic product listing sites.

Improvement areas

Add public changelog, docs, and community channels for better discoverability
Implement missing security headers and publish basic compliance info
Improve demo visuals to reduce overlap and increase contrast in sidebar text

Design & Usability

RedLinz delivers a clean, functional browser tool that turns visual markup into structured AI prompts using 12 semantic symbols. The homepage clearly communicates the value with a simple 4-step process and generous free tier. Design is competent but relies on a very standard SaaS template with some visual clutter in the demo. Usability shines through instant access and client-side processing, making it immediately usable for developers and designers already working with Cursor or Claude.

Speed & Security

Performance is solid on desktop and acceptable on mobile per Lighthouse data, with no reported lag. Security is basic but appropriate for a client-side tool: HTTPS and HSTS are present, and images never leave the browser. However, several standard security headers are missing and there are no published audits or compliance claims, which is typical for an early-stage indie product but leaves room for improvement.

Accessibility & Growth

Accessibility scores well in automated checks despite minor contrast and heading issues. Growth is the weakest area — the product is only weeks old with no reviews, community, or traction signals yet. This is expected for a brand-new launch but means it currently lacks the social proof and feedback loops that more established alternatives have.

Conclusion

For teams tired of typing 'the red box on the left' into ChatGPT, RedLinz offers a practical shortcut. Watch for community growth and expanded integrations as it matures.

Suggestions for improvement

Add a public changelog and simple docs site to improve discoverability and onboarding.
Publish basic security headers and a privacy policy page for trust.
Create a short demo video or interactive playground to showcase the 12 symbols in action.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	RedLinz	Markup.io	BugHerd	Screenpresso
AI prompt export with semantic markup	Yes — 12 symbols export structured prompts + coordinates	No — general visual feedback only	No — issue tracking focus	No — basic annotation exports
Client-side only processing	Yes — images never leave browser	No — uploads to cloud	No — web-based with server storage	Partial — desktop app with local options
Free tier availability	5 markups/month forever, no card	Limited free plan	14-day trial	Free version with limits