
Halftone Generator — Convert Images to Print-Ready Dot Patterns
Convert photos to halftone dot, line, or ring patterns for screen printing and posters.
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Convert photos to halftone dot, line, or ring patterns for screen printing and posters.

Draw or import bead patterns, automatically count beads, and export PDFs.
letsgogogo · V2EX
做了一个串珠子的工具,支持拼豆。 我做了一个在线串珠图案工具 Loomet 。 可以画图案、自动算珠子数量、导出 PDF 。也支持拼豆模式。 https://loomet.app

Generate seamless patterns and textures from prompts or images, then export them.
Seamless Canvas — AI 无缝纹理生成器,通过文字描述或上传图像生成可平铺纹理 - [更多介绍](https://seamlesscanvas.com)

Convert photos to 3D-printable STL files instantly for 3D printing.

Turn photos into cross stitch patterns with DMC thread recommendations and PDF.
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~

Upload a document. Prezik authors a visual movement around it and prints every slide as a designed image — the design quality no template tool can make.
@behindceo · X

Convert reference images into AI prompts for client-ready visual designs.
@GoranMitic · X
Image to prompt tool, with free trial and affiliate program

Upload photos, select a design style, and generate a PDF layout for printing.
mqx · V2EX
根据上传图片生成写真集网站 简介:纯前端,图片不经过服务器放心食用,上传图片后选择设计风格,一键自动排版,最后导出 pdf 打印 网站地址: https://8ceb3650.pinme.dev/

Turn your photos into printable coloring pages using AI.
GenColoring AI — AI 生成涂色页平台 - [博客介绍](https://blog.csdn.net/weixin_52314137/article/details/152511285)

Free browser tools for formatting code, minifying files, testing regex patterns, and merging PDFs.
@546_md · X
I recently launched CodeToolsStudio, a collection of privacy-first developer tools for things like JSON, JWT, Regex, Base64, timestamps and more. you can test it here: 🌐 I'd genuinely appreciate feedback on what you'd improve or add to it

Generate infographics from text using AI with 17 visual styles and 20 layout templates.
SummaGraph — AI 信息图生成工具,粘贴任意形式的文本即可一键生成高质量信息图,内置 20 种视觉风格 × 20 种布局模板,支持系列模式一次生成多页风格连续的信息图,覆盖中英日韩等 9 种语言

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.