DashConvert

Compresser un PDF

Réduis la taille d'un PDF dans ton browser

🔒 100 % dans le browser🆓 Gratuit à vie✨ Sans watermark
Drop files here or click to select

Drop a PDF file

🔒 Files never leave your device

Comment ça marche

  1. 1
    Upload un PDF

    Drag ou sélectionne ton fichier PDF.

  2. 2
    Choisis la qualité

    Choisis low, medium ou high pour la qualité des images.

  3. 3
    Download

    Sauvegarde le PDF plus léger sur ta machine.

À propos de Compresser un PDF

Réduis la taille d'un PDF en ré-encodant les images et en supprimant la metadata. Tourne entièrement dans ton browser — parfait pour les documents sensibles.

Que ce soit pour le boulot, les études ou un usage perso, ce tool est gratuit à utiliser autant de fois que tu veux. Pas de watermarks, pas de sign-up, pas d'ads dans tes documents.

Questions fréquentes

De combien mon PDF va rétrécir ?

Ça dépend du fichier. Les PDFs pleins d'images rétrécissent le plus (souvent 30–60 %). Les PDFs text-only ne rétrécissent pas beaucoup.

La compression est lossless ?

Le texte est préservé parfaitement. Les images sont ré-encodées en JPEG à la qualité choisie.

Lire plus

4 min de lecture

How to extract text from a PDF (for analysis, search, or feeding to an AI)

Copy-pasting from a PDF gives you broken columns and mangled formatting. Here's how to pull clean text from any PDF - and what to do when the PDF is really just images.

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TIFF to PDF: how to convert scans, faxes, and legal documents the right way

TIFF is the format lawyers, hospitals, and government agencies still use. Converting to PDF is easy - doing it without losing multi-page structure, resolution, or metadata is what trips people up.

5 min de lecture

How to convert HTML to PDF that actually looks right (2026 guide)

'Save as PDF' from a browser is fine for receipts. For anything else - invoices, reports, tickets - you need to know why the layout breaks. A practical guide based on what users on Reddit and Stack Overflow actually run into.

4 min de lecture

How to convert Excel to PDF the right way (no cut-off columns)

Excel to PDF sounds simple until you get a PDF where a wide table's last three columns landed on their own separate page. Here's how to actually control the layout.

4 min de lecture

How to remove a password from a PDF you own

Legitimate reason: your bank statements arrive password-protected and you're tired of typing the password every time. Here's the safe way to unlock them.

4 min de lecture

How to convert Word to PDF (and actually keep the formatting)

Word-to-PDF is one of those things that 'just works' 90% of the time and creates disasters the other 10%. Here's what breaks and how to avoid it.

5 min de lecture

How to compress a PDF without losing quality

'Compress' and 'without losing quality' are in tension - but not as much as you might think. A guide to shrinking PDFs sensibly, from 100 MB monsters to email-ready.

4 min de lecture

How to merge PDFs without uploading them anywhere

Most 'free' PDF mergers upload your files to a server. Here's why that matters, and how to combine PDFs entirely in your browser instead.