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Cortador de Imagens — Ferramenta online grátis

Corte imagens em qualquer proporção

Corte imagens em 1:1, 4:3, 16:9 ou proporções personalizadas. Cortador online grátis. Funciona no navegador, sem upload.

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Free image cropper — precise, browser-based

Ferramentaolis Image Cropper crops images to any dimension or aspect ratio in your browser. Drag the crop box, lock to common ratios (1:1, 16:9, etc.), and download. Your images never leave your device.

How to use this tool

  1. 1

    Upload an image

    Drop or pick a JPG, PNG, or WebP. The image appears with a movable crop area overlay.

  2. 2

    Set aspect ratio (optional)

    Pick 1:1 for Instagram, 16:9 for YouTube thumbnails, 4:3 for classic photos, or Free for any ratio.

  3. 3

    Drag to position the crop

    Drag the crop box to reposition. Drag the corner handle to resize. The overlay dims the area that will be removed.

  4. 4

    Click Crop & Download

    The cropped section downloads as a JPG or PNG file. Original image stays unmodified on your device.

Common aspect ratios in 2026

  • 1:1 — Instagram feed posts, profile pictures
  • 16:9 — YouTube thumbnails, desktop banners, widescreen displays
  • 9:16 — Instagram stories, TikTok, YouTube Shorts
  • 4:3 — Classic digital camera photos, older TV content
  • 3:4 — Portrait photos for mobile feeds
  • 3:2 — DSLR default, print photos (4×6 inch)

Frequently Asked Questions

How do I get an exact pixel crop?
The crop box snaps to pixel coordinates. The top-right info panel shows current crop position and size in pixels. For surgical precision, use a desktop tool like Photoshop.
Does cropping reduce quality?
Não. Cropping simply discards pixels outside the box — the pixels that remain are exactly the same as the original. For JPG output, a small re-encoding happens with quality 0.92 (near-lossless).
What aspect ratios are preset?
1:1 (Instagram), 4:3 (classic photo), 16:9 (YouTube, widescreen), 3:4 (portrait mobile), 9:16 (Instagram story, TikTok), and Free for any ratio.
Can I rotate before cropping?
Nãot yet — this is a cropping tool. For rotation, use your phone's photo editor or an image editor like GIMP/Photoshop first, then crop here.
Is my image uploaded?
Não. Everything happens in your browser via the Canvas API. Perfect for private photos, screenshots, or documents.

Pontos-chave

  • Image Cropper is a free, browser-based image tool — crop images to any aspect ratio.
  • 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 Cropper

  1. Open the tool: Launch Image Cropper 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 Cropper — 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
Image Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaImage Cropper
CategoriaImage
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use Image Cropper?

You should try Image Cropper for a quick, private way to crop images to any aspect ratio. 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.