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MP3 to Mp4 Converter

Convert MP3 to MP4 instantly with our free online tool. Add your album art or any image to create videos perfect for YouTube, Spotify, and social media. No watermarks, no signup required.

Content
Germany Estimated origin: Germany

Added June 21, 2026 · Last analysed June 21, 2026 · via Hacker News

StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 21 June 2026; the live site may have changed since.

Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.

MP3 to Mp4 Converter scores highly overall, with complete legal pages, a thorough launch checklist, and clean crawl signals. Visible gaps: missing several security headers and incomplete email security.

Launched on Hacker News on June 21, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered in 2022. We've detected 13 technologies on this site, covering web fonts, affiliate, CDN, and DNS providers. The stack includes Next.js, React, and Amazon SES.

It's on one of the most common stacks we track, shared by 3,464 launches.

If you own this site, refresh the snapshot and see the full fix list any time →

8.2
StackScope Score
Excellent
88/100 Launch Readiness
Launch ready
3/3 Legal
Complete
2/2 Crawl files
Complete
Vibe Score 15 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (13)

Infrastructure
CDN Cloudflare
DNS Cloudflare DNS
Hosting Vercel
Security HSTS
Email
Business email Google Workspace (2)
Email marketing MailerLite
Transactional email Amazon SES
Build & Framework
Font Fontshare
Google Fonts
Framework React
Meta-framework Next.js
Analytics & Marketing
Affiliate Rewardful
SEO Google Search Console

Infrastructure

Network
AS16509 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 2 Jun 2026 to 31 Aug 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
3.7 years
Registered Dec 2022 · NameCheap, Inc.

Email Security

SPF -all Strict (-all). Strong.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=none None (p=none). Monitoring only.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (4)

Local storage (2)
KeySizeDetected as
initialPath 17 B -
nf 972 B -
Session storage (2)
KeySizeDetected as
nf_landing_referrer 0 B -
nf_landing_url 45 B -

Readiness Breakdown How?

Custom title and meta description (partial) missing custom <title>
Open Graph tags (title, image, description)
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Meta description is 187 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Performance How?

170 ms Server response
69% Faster than peers
400 ms Largest contentful paint
0.00 Cumulative layout shift
1.8 MB Page weight
75 KB Image weight
7 Third-party domains
0 Console errors
0 Failed requests

4 images: 2 oversized

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

Vibe Score Breakdown How?

SignalPoints
AI typography signals +15

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

Welcomes AI crawlers
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (1 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/termsofservice
90% unique

Security Headers (3/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
88 JS files
6 CSS files
7 Third-party domains

Brand Colours

App Manifest

neural frames
display: standalone 4 icons
theme #19191b
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.