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Estimador de Tamanho de Arquivo de Imagem — Ferramenta online grátis

Preveja o tamanho do arquivo antes de exportar

Calcule o tamanho de arquivos JPEG, PNG, WebP, AVIF a partir de dimensões e compressão. Otimize antes de gerar. Sem cadastro.

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Image file size estimator

Predict JPEG, PNG, WebP, AVIF file sizes before you export.

How to use this tool

  1. 1

    Enter dimensions

    Width × height in pixels.

  2. 2

    Pick format + quality

    JPEG, PNG, WebP, AVIF, or HEIC.

  3. 3

    Get predicted file size

    Before you export. Plan CDN bandwidth, web perf.

Frequently Asked Questions

How accurate is the prediction?
Within ±30% for photos. Illustrations and flat color are harder to predict (can be much smaller). File size depends heavily on image content — complex scenes = larger files than simple ones at same settings.
Which format to pick?
Photos: AVIF (best, new), WebP (near-universal), JPEG (fallback). Illustrations with transparency: WebP or PNG. Icons/simple graphics: SVG if possible. Animations: WebP > GIF.

Pontos-chave

  • Image File Size Estimator is a free, browser-based ai tool — predict file size before export.
  • Não signup, no downloads, no file uploads. Ferramentas run in your browser; the few that need an outside service say so on the page.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Image File Size Estimator

  1. Open the tool: Launch Image File Size Estimator 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.

Image File Size Estimator — Quick Facts

Preço
Grátis — sem limites, sem marca d’água, sem paywall
Privacidade
Processado no seu navegador. Ferramentas que precisam de um serviço externo avisam isso na página. As visitas são contadas (Google Analytics).
Plataforma
Qualquer navegador moderno — desktop, tablet ou celular
Categoria
AI Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaImage File Size Estimator
CategoriaAI
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use Image File Size Estimator?

You should try Image File Size Estimator for a quick, private way to predict file size before export. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.

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.