
JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
A front end web development playground.

BackupDrill
SimpleBackups
SnapShooter
Supabackup
Ottomatik
Mozilla Observatory
ReviveDB
Managed Supabase backups: verified copies kept off-platform, encrypted, restored in one click. Plus a free security scanner for AI-built apps (Lovable, Base44, Replit, v0, Claude, Codex) and uptime monitoring.

Which is more popular?
Based on our record, CodePen seems to be more popular. It has been mentioned 513 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codepen.io | reeve.page |
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| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CodePen yet.
Reeve keeps verified copies of your Supabase database outside Supabase, restores them in one click, and watches your app for the security holes AI builders leave behind. Made for people who built an app with Lovable, Bolt, v0, Cursor, Replit, Claude, Codex and now have real users in it. Supabase...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Reeve.page yet.
Walkthroughs and reviews on video.
What Is Codepen?
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodePen and Reeve.page.
Reeve.page's answer:
People who built a real app with Lovable, Bolt, v0, Cursor, Replit, Windsurf, Claude, Codex on Supabase, with users and data in it, and who are not database engineers. Also small studios and freelancers who build these apps for clients and look after them after handover.
Reeve.page's answer:
Reeve is built for one stack: apps made with AI builders on Supabase. The scanner knows which keys belong in a frontend (the Supabase anon key) and which are a real leak (a service_role key), so its report stays short and worth acting on. The backups are checked and encrypted: every copy is read back before it counts, kept outside Supabase, and put back with one button after a safety copy of today is saved.
Reeve.page's answer:
Reeve covers both halves in one place. It finds what is exposed in your app, and it keeps copies you can put back with one button. The backups include your users' uploaded files, and everything is explained in plain language for someone who has never opened the Supabase console.
Reeve.page's answer:
Reeve started with a pattern. Apps built with AI tools kept going live with the same short list of mistakes: secret keys in the frontend, database tables anyone could read, storage buckets open to the internet. Their owners had nobody watching after launch, and Supabase's free plan keeps no backups at all. Reeve is that somebody: a free scan to see where you stand, then care that watches the app and keeps a copy you can restore.
Share your experience with using CodePen and Reeve.page. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development...
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
We have no reviews of Reeve.page yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support... - Source: Hacker News / 2 months ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / 3 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 12 months ago
Tracking Reeve.page since Oct 2026.
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