
OpenQr - Dynamic QR code generator that adapts to you.
Generate dynamic QR codes with custom logos, colors, and usage tracking.
@IfeanyiArinze10 · X
What does What makes it unique?
The full gallery
Tech stack
25 projects

Generate dynamic QR codes with custom logos, colors, and usage tracking.
@IfeanyiArinze10 · X
What does What makes it unique?

Free color palette generator: pick one color and get 4 ready-made site palettes | accent, background, text. Export to Tailwind, Figma and CSS variables.
@Dio__Dao · X
Hello, please take a look: turn one color into a complete, ready-to-use UI color system

Convert code into interactive flowcharts for learning, debugging, and documentation.
@Sparsh209 · X
Hi isha! Check it out here at: Would love to hear your feedbacks

Convert photos into cross stitch patterns with automatic DMC thread color recommendations.
ooklwq · V2EX
我妈要把我家猫绣成十字绣,找不到合适的图纸工具,于是自己写了一个 起因:我妈绣了十几年十字绣,拿着我家猫的照片问我"这玩意能不能变成图纸"。找了一圈现成工具,不是要注册就是要订阅,导出还带水印,于是一怒之下自己撸了一个 → https://crossstitchpatternmaker.app 先说原理,免得显得像个套壳:照片降采样到网格 → 用 CIELAB 空间的 Delta-E 色距匹配到 454 个真实 DMC 线号 → 输出带符号和绞数估算的 PDF 。 技术栈:TanStack Start + Cloudflare Workers + D1/R2 。 但我妈嫌自动配色不如她手挑的线准。程序员 vs 一线业务用户,果然是普世矛盾。 欢迎拍砖,尤其是颜色匹配这块,总觉得还能再准一点,有大佬有相关图片转换算法的也欢迎分享讨论~

Apply movie-inspired color grades to photos in a browser-based editor with one click.
u/huuughmangasorr · Reddit
I built a tool that gives your photos a movie color grade (no AI generation) I kept seeing photo tools that "cinematic-ify" images by running them through AI and spitting out something that's basically a different picture. I wanted the opposite: keep my actual photo, just make it feel like a frame from a film. So I built CinematicPhoto — a browser tool where you upload a photo, pick a movie look, and get a graded version back. Your original stays intact; it's color grading and effects d

Create and export Mermaid diagrams including flowcharts, ERDs, and sequence diagrams online.
ghosts_ · HN
I've been slowly adding some new free tools to Moxie Docs (partly for SEO, partly to illustrate some of our feature sets before any commitment) for some reason this mermaid editor one blew up on Google rankings so I figured I'd share in case people find it useful! We also have ADR, AGENTS.md, LLMs, and a few other free tools.

Generate LinkedIn infographics and charts from ideas, CSV, or Excel data.
@manthornelabs · X
We make LinkedIn graphics for B2B founders

A free color palette generator, no account needed. Press space, lock what you love, check WCAG contrast, preview on real layouts and export to CSS, Tailwind, PDF, ASE and Procreate
@palettetowncc · X

Interactive WebGL visualization of scientific citation networks and papers.
@lushptr · X
I feel really guilty for vibe coding this but it looks cool even tho it is really inefficient and broken you can use it too now I'll desloppify it after exams I swear

Generate beautiful data visualizations using AI from web data.
shridharathi · HN
AI agent for beautiful data visuals

Generate customizable Open Graph images from templates for blog posts and social media.
javayhux · V2EX
名称:Open Graph 图片生成器 网址:[https://og.mkdollar.com]( https://og.mkdollar.com) 功能:内置 10+ Open Graph 图片模板,选择模板,配置参数,即可生成好看的 OG 图片,适用于文章配图、社媒帖 子封面等场景 价格:免费使用,免费下载 

Create an editable, on-brand 1200 × 630 Open Graph image from any website in under a minute. No sign-up or watermark required.
@TiborAntal · X