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Detector de PPI / Resolução da Tela — Ferramenta online grátis

Densidade de pixels, tamanho, profundidade de cor — ao vivo

Detecte densidade real de pixels, viewport, profundidade de cor, DPR, taxa de atualização. Para devs e designers. Sem cadastro.

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Display PPI / Resolution Detector

Detect actual screen pixel density, viewport dimensions, color depth, DPR. Verify your "Retina" display is really delivering ≥220 PPI, not just marketing.

How to use this tool

  1. 1

    Read live values

    Resolution, DPR, color depth read instantly.

  2. 2

    Enter screen diagonal

    For PPI calculation, in inches.

  3. 3

    See PPI

    Apple Retina threshold ≈ 220+ PPI on laptops.

Frequently Asked Questions

What is DPR?
Device Pixel Ratio — physical pixels per CSS pixel. Retina displays = 2 (or higher). Standard = 1. CSS sees the lower count; canvas/images need DPR scaling.
Why is screen.width sometimes wrong?
Browsers report logical (CSS) pixels, not physical. Multiply by DPR to get physical resolution. Some platforms (Mac retina) lie further to look "natural".
How accurate is PPI calc?
Browser can't know diagonal in inches — must enter manually. Once entered, math is exact. Apple lists exact PPI for each model on their site.

Pontos-chave

  • Display PPI / Resolution Detector is a free, browser-based developer tool — pixel density, screen size, color depth — live.
  • Não signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Display PPI / Resolution Detector

  1. Open the tool: Launch Display PPI / Resolution Detector on Ferramentaolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Display PPI / Resolution Detector — Quick Facts

Preço
Grátis — sem limites, sem marca d’água, sem paywall
Privacidade
100% no navegador — nenhum dado é enviado a servidores
Plataforma
Qualquer navegador moderno — desktop, tablet ou celular
Categoria
Desenvolvedor Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaDisplay PPI / Resolution Detector
CategoriaDesenvolvedor
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use Display PPI / Resolution Detector?

You should try Display PPI / Resolution Detector for a quick, private way to pixel density, screen size, color depth — live. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacidade. Esta ferramenta funciona inteiramente no seu navegador. Seus dados nunca são enviados a nenhum servidor.