
MailSink: temp email API for tests and AI agents
Create temporary email inboxes via REST API or MCP to catch verification emails and extract codes.
@anhphong_dev · X
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Create temporary email inboxes via REST API or MCP to catch verification emails and extract codes.
@anhphong_dev · X

Browser-based toolbox with 50+ utilities for PDF, images, JSON, QR codes, and OCR — all processed locally for privacy.
AiXian — 在线工具箱,把桌面级工具装进浏览器,PDF 合并、图片去背景、AI 证件照、JSON 格式化、OCR 识别等 50+ 工具,全部本地处理,文件不出设备

Create AI-customized QR codes that are both artistic and scannable.
@naitik_dabhi · X
Get more scan.

Send a file or text between two devices with nothing but a screen and a camera. Fountain-coded animated QR codes, no network path in between.
@bashalarmist · X

Developer-friendly REST APIs designed for speed, security, and simplicity. From QR codes to DNS lookups - try them free in the playground.
@SimpleWebAPIs · X

Convert redemption codes to an image link; each visitor gets one unused code.
galenzhao · V2EX
把一堆兑换码变成一张 Markdown 图片,每人打开领一条 送 App Store / 活动码时,常见两种尴尬: 1. 直接贴一长串码 → 前面的人秒光,后面的人只能干瞪眼,还容易被脚本扫 2. 私信一个个发 → 累,还不好统计 做了个小工具 **兑图**:粘贴一堆兑换码,生成一个图片链接。别人打开这张图,就从池子里领一条没用过的;同一个 IP 只会领到一条,刷新还是自己那条。码发完了显示「都兑换完了」。 ## 怎么用 1. 打开 https://duitu.zhis.eu 2. 粘贴兑换码(一行一条) 3. 复制生成的图片 URL ,丢进帖子 / README / 群里,例如:  `````` ## 规则(简版) - 每个 IP 对同一链接只领 1 条 - 同 IP 再访问:显示当初领到的码,不浪费新码 - 池空了:

Get virtual phone numbers in 211 countries for AI agents to receive SMS verification codes via API.
sv-number · GitHub
mcp-server MCP server for AI agents that need a phone number: order a private number in 200+ countries, read the SMS verification code, hand it back. The widest country coverage in the category, and you can check it with one API call.

Create and customize digital event passes with photos and QR codes.
@Satyam25t · X
🚀 Just launched my Card Studio project — built for Hacker House Goa! Create, customize, and flip through digital cards with a few taps. Check it out 👇 #FrameInGoa #HackerHouseGoa #BuildInPublic

Generate QR codes instantly with Dimas' free, no-login toolbox.
u/Live_Mathematician20 · Reddit
I created a website with free tools. It all started when my colleague reached me with a complaint that she created a few QR codes, and after a week they started showing paywall. By that time those QR codes were printed on promo banners. I remember Internet as a place where you find a tool, use it and leave. That's it - no paywalls, no subscriptions, no accounts. So I decided to put a piece of those beautiful Internet back and created a small toolbox site - dimastoolbox.com Of

Daily logic puzzle where you deduce codes in 8 guesses with feedback, playable solo or in online multiplayer.
Dinjure · HN
Dinjure – Bulls and Cows in one HTML file, with a fallible AI

Convert text to Nepali Unicode or generate QR codes.
@sakarkhadka10 · X

Shorten URLs, create landing pages, generate QR codes, and sell digital products in one platform.
@Piyushkr_prog · X
is an all-in-one platform that combines branded links, link-in-bio pages, digital product sales, forms, QR codes, analytics, and more into a single dashboard. It's the perfect all-in-one platform for creators, small businesses, founders, and startups.