
LinkCover — Free Open Graph Image Generator
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
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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

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

Draw Mermaid diagrams online with 33+ chart types, export to PNG/SVG/PDF.
kalman03 · V2EX
分享一个免费强大的在线 Mermaid 绘图工具 Mermaid Live Editor ( https://mermaid-live-editor.com/ ) 免费强大的在线 Mermaid 绘图工具。无需安装,支持 33+ 种图表类型(流程图、时序图、架构图等)实时渲染,纯前端运行不上传代码,支持导出 PNG/SVG/PDF 格式。

Browser-based tools for formatting, encoding, testing, and converting data.
4seasons · V2EX
devfun.org - 开发者(网络)工具集合 ## 访问地址 https://devfun.org ## 主要功能 - 本机 IPv4/IPv6 网络检查及 IP 信息查询 - 站点可访问性检查(支持全球区域) - 代理检查及代理全球出口检查 - 各类编解码、格式测试、文本格式化、校验密钥生成、文本处理、转换工具 欢迎大家使用,提供建设性的建议和意见!

Convert PDFs, Word docs, and more to clean Markdown for AI context windows.
u/kirillzubovsky · Reddit
Selling t0md.com – Privacy-first multi-format to Markdown converter A few months ago I was dumping research PDFs and Word docs into Claude and Cursor and watching the token bill climb for no good reason. Heavy formats are terrible for context windows as the agents have to first convert the documents, then parse the MD files, then do the processing. I thought I could help the agents, and I built t0md.com. However exciting it was to make something quickly that solves a big problem, it's not

Visualize and predict weather with on-device calculations and custom aggregation modes.
__mp · HN
I built my own weather prediction / visualization app: https://wx.rsp.li (on-device temperature lapsing, on device interpolation modes, user-selectable aggregations, etc…). One of these days I should do a writeup. I also asked Claude to build a photo gallery for me https://places.pascalspoerri.ch (HDR, map support, similar images)

Create custom QR codes with emojis, adjust colors and shapes, then download as SVG or PNG.
@getplanqr · X

Clarity v2.0, Personalized natal chart readings and astrological forecasts. Know your patterns and break the loop.
@byquantanum · X

Convert plain Markdown notes into clean PDF and PNG carousels for LinkedIn and X in seconds without Canva or complex design tools.
@mrdeathpl · X

Web analytics platform to track which marketing channels drive visitors and revenue.
@essonam_m · X

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 

Free online tools for editing and converting PDFs, images, videos, JSON, SVG, and email files.
@bigchusstheory · X