Dummy – Generator of static files for testing file upload
Generator of static files(csv, jpeg, png, pdf) for testing file upload. It can generate csv and png files of any number of bytes! - sterrasec/dummy
Dummy – Generator of static files for testing file upload launched on October 14, 2023 with 7 votes, #1,559 of 4,393 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
Does a similar job
all alternatives →

FileMock2025 · filemock.com · ▲7Hi HN! I built FileMock to solve a problem I constantly faced as a developer where I needed mock files for testing uploads, APIs, and storage systems. Key features: • Generates video, audio, image, and document files with precise size control • 100% client-side processing • Supports 20+ formats: MP4, PDF, PNG, MP3, DOCX, etc. • No registration required, just visit and generate Perfect for testing file upload limits, API endpoints, storage quotas, and CI/CD pipelines. I've been using it daily for the past few weeks and thought others might find it useful too. The entire generation…


FileSamplesHub – Free sample files to all your testing purposes2023 · filesampleshub.com · ▲6Download free sample files in various formats (PDF, DOC, ODT, ZIP, MP3, etc.). Safe, virus-free test files and dummy files for development and testing. Verified content for all your project needs.
More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 28d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 26d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 21d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 29d ago · corespeed.io
Source: Show HN post ↗
Launched alongside, October 2023
the whole month →
Nudge 2.0▲1,051In-app experiences to activate, retain, & understand users
Growth · 2023 · nudgenow.com


Unlock AI magic for elevated customer engagement, fast
AI · 2023 · tiledesk.com


Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.
Dev tools · 2023 · github.com