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Comprimir PDF

Reduza o tamanho do arquivo PDF mantendo a qualidade. Compressor de PDF online gratuito para arquivos menores.

Upload PDF Files

Drag and drop PDF files here. You can compress up to 10 files at once.
Files: 10

Sobre esta ferramenta

Comprimir PDF reduz o tamanho dos seus documentos, ideal para anexos de e-mail ou uploads na web. Oferecemos vários níveis de compressão para equilibrar tamanho e qualidade.

Como usar

  1. Upload do PDF

    Selecione o arquivo que você deseja diminuir.

  2. Escolha o Nível

    Selecione: Baixa (Melhor qualidade), Média (Equilibrada) ou Alta (Menor tamanho).

  3. Comprimir

    Inicie o processo e baixe seu PDF otimizado.

Casos de uso

Anexos de E-mail

Reduza o PDF para caber nos limites de tamanho dos provedores de e-mail.

Publicação na Web

Melhore a velocidade de carregamento do seu site com PDFs menores.

Economia de Espaço

Arquive documentos ocupando menos espaço no seu disco rígido.

Practical guide

Why choose local processing?

  • Large PDF files can contain contracts, invoices, identity details, or internal business information, so keeping processing in the browser reduces exposure.
  • The website tool is free to use with no usage limits and does not require sign-in.
  • Local processing also keeps iteration fast: adjust options, preview the result, and export a smaller PDF without waiting for an upload queue.

Best files for this tool

  • Best for PDF files that open correctly in a modern browser and are not intentionally damaged or restricted.
  • Works well for everyday business, school, legal, finance, and personal documents where you need a smaller PDF.
  • For very large files, close unused tabs and process one batch at a time so the browser has enough memory.

Common limitations

  • Encrypted or permission-restricted PDFs may need to be unlocked before processing.
  • Scanned pages, unusual fonts, complex layers, and damaged files can reduce accuracy or processing speed.
  • Browser memory and device performance matter more for local tools than for upload-based services.

Local processing vs upload-based tools

  • Local tools keep routine website processing on your device, while upload-based tools send files to a remote server.
  • Upload-based services can move heavy work off your computer, but they add transfer time and require trusting a server with your files.
  • Use the API when you intentionally need server-side automation; use the website when you want private manual processing.

What to do if processing fails

  • Try a smaller file, a shorter page range, or one file at a time if the browser runs out of memory.
  • If a PDF is encrypted, damaged, or restricted, unlock or repair it first and then retry the workflow.
  • If the output looks wrong, check whether the source file uses scans, complex transparency, form fields, or unsupported embedded objects.

API automation

Use API docs to plan automated PDF workflows. If this exact website workflow is not exposed as an endpoint yet, you can still use available PDF API tools and Credits for supported operations.

View API automation docsCreate API Key

Perguntas frequentes

Quanto o tamanho será reduzido?

Depende do conteúdo. PDFs com muitas imagens podem reduzir de 50% a 80%, enquanto PDFs só de texto reduzem menos.

A qualidade do texto será afetada?

Não, o texto permanece nítido. A compressão foca principalmente em imagens e gráficos.

É seguro?

Sim, a compressão é feita localmente no seu navegador; seus dados não saem do seu computador.

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