Démarrage rapide

Ce guide couvre toutes les fonctionnalités de PDF Expert :
- Commencer — Créez votre compte et configurez l'application
- Comment utiliser et modifier des PDF — Rewrite text and resize images directly on the page
- Comment utiliser Annotate PDFs — Highlight, underline, and strike through anything on the page
- Comment utiliser le balisage et les notes — Draw shapes and leave sticky notes anywhere on the page
- Comment utiliser Convert PDFs — Swap between Word, Excel, image files, and PDF in a few clicks
- Comment utiliser les PDF de signature — Add a saved signature to contracts and invoices in seconds
- Comment utiliser les PDF de commentaires — Leave threaded feedback without changing the original layout
- Comment utiliser Ajouter des images — Place logos and photos anywhere, then crop or rotate them
- Comment utiliser la gestion des pages — Rearrange, rotate, delete, or split pages from one grid view
- Comment utiliser la fusion de PDF — Combine a collection of files into one clean document
Temps nécessaire : 5 minutes par fonctionnalité
Vous trouverez également dans ce guide : Conseils de pro | Erreurs courantes | Dépannage | Tarification | Alternatives
Pourquoi faire confiance à ce guide ?
I’ve used PDF Expert for two years on a Mac, an iPad, and an iPhone.
Every step below came from real files, not vendor screenshots.

PDF Expert is one of the fastest PDF tools you can run on a Mac.
But most people only ever open a file and scroll.
This How to Use PDF Expert guide shows you how to use every major feature.
Étape par étape, avec captures d'écran et conseils de pro.
Tutoriel PDF Expert
This PDF Expert tutorial walks through every PDF task, from your first file to advanced page work.

Expert PDF
Edit, annotate, and sign documents on your Mac, iPad, and iPhone. PDF Expert makes heavy files open in a blink and keeps your work stored offline. Try it free before you buy.
Premiers pas avec PDF Expert
Do this one-time setup before you open any of the tools.
Cela prend environ trois minutes.
Here is what the app looks like in daily use:
Passons maintenant en revue chaque étape.
Étape 1 : Créez votre compte
Go to the PDF Expert website and click Free Trial.
Saisissez votre adresse e-mail et créez un mot de passe.
✓ Point de contrôle: Vérifiez votre boîte de réception pour recevoir un courriel de confirmation.
Étape 2 : Téléchargez l'application
Download PDF Expert for Mac, or grab the iOS app for iPad and iPhone.
There is no PC version, so Windows users need a different reader.
Voici à quoi cela ressemble :

✓ Point de contrôle: You should see the file browser on your screen.
Step 3: Connect Your Storage
Link Dropbox, iCloud, or Google Drive so you can easily access every file.
The iOS version also keeps files stored locally inside the app.
✅ Terminé : Vous êtes prêt à utiliser n'importe quelle fonctionnalité ci-dessous.
How to Edit PDFs in PDF Expert
Modifier des PDF vous permet de changer texte, fix typos, and swap images inside any PDF file.
Voici comment l'utiliser étape par étape.
Étape 1 : Ouvrez votre fichier
Open the PDF file you want to change.
Drag it onto the app icon or use File then Open.
Step 2: Click Edit in the Toolbar
Click Edit in the toolbar at the top of your screen.
Voici à quoi cela ressemble :
✓ Point de contrôle: The text block turns into an editable box with a blue border.
Step 3: Click Any Text Block
Click any paragraph and start typing.
✅ Résultat : Your PDF documents now read exactly how you want them.
💡 Conseil de pro : Right click a text block and pick Edit Text to skip the toolbar entirely.
How to Annotate PDFs in PDF Expert
Annoter des PDF lets you highlight text, underline key lines, and mark up scanned documents.
Voici comment l'utiliser étape par étape.
Step 1: Switch to the Annotate Tab
Open your file and click Annotate in the toolbar.
All the annotation tools sit in one row here.
Step 2: Pick a Highlighter Color
Click the highlighter icon and choose a color.
Voici à quoi cela ressemble :
✓ Point de contrôle: Your selected text carries a colored band across it.
Step 3: Drag Across the Text
Drag your cursor across the words you want to keep.
✅ Résultat : Every key passage is marked and easy to find later.
💡 Conseil de pro : Open the annotation summary to jump straight to any highlight you made.
Comment utiliser les annotations et notes de PDF Expert
Annotations et notes lets you draw freehand, drop sticky notes, and write in the margins.
Voici comment l'utiliser étape par étape.
Step 1: Choose the Pen Tool
Click the pen in the Annotate toolbar.
Step 2: Draw or Add a Note
Draw on the page, or click the note icon to type.
Voici à quoi cela ressemble :
✓ Point de contrôle: A small yellow marker appears wherever you placed notes.
Step 3: Save Your Markup
Press Command S to save your work.
✅ Résultat : Your notes stay attached to the exact spot they belong.
💡 Conseil de pro : Use the eraser instead of undo when you only want to delete one stroke.
How to Convert PDFs in PDF Expert
Convertir des PDF lets you turn Word, Excel, or image files into PDFs and back again.
Voici comment l'utiliser étape par étape.
Étape 1 : Ouvrir le menu Fichier
Click File then Convert with your document open.
You can also drag a JPG or PNG onto the app to create a PDF.
Step 2: Pick Your Output Format
Choose DOC, image, or text as your output format.
Voici à quoi cela ressemble :
✓ Point de contrôle: A progress bar runs, then the converted file opens automatically.
Step 3: Export and Save
Click Convert, then pick where to save the new file.
✅ Résultat : You can convert PDFs into DOC files and edit them in Word.
💡 Conseil de pro : Turn on optical character recognition before you convert scanned documents.
How to Sign PDFs in PDF Expert
Signer des PDF lets you sign documents in seconds without printing a single page.
Voici comment l'utiliser étape par étape.
Step 1: Open the Annotate Tab
Click Annotate, then click the signature icon.
There are three simple ways to sign a PDF agreement or invoice.
Étape 2 : Créez votre signature
Draw with your trackpad, type it, or scan a paper copy.
Voici à quoi cela ressemble :
✓ Point de contrôle: Your signature sits on the page with a movable frame around it.
Step 3: Drop It on the Line
Drag the signature onto the signature line and resize it.
✅ Résultat : You can sign documents and share them back the same minute.
💡 Conseil de pro : Save two signatures, one full and one initials, for multi-page contracts.
How to Comment in PDF Expert PDFs
Commentaires PDF lets you leave feedback for teammates without touching the original layout.
Voici comment l'utiliser étape par étape.
Step 1: Select the Text
Highlight text you want to question or praise.
Step 2: Click Add Comment
Click Add Comment in the popup menu and type your note.
Voici à quoi cela ressemble :
✓ Point de contrôle: A comment bubble appears in the right corner of the page.
Step 3: Share the File
Send the file to your team and let them reply inline.
✅ Résultat : Feedback stays inside the PDF instead of scattered across email.
💡 Conseil de pro : Comments carry a timestamp, so the review history stays readable months later.
How to Add PDF Expert Images
Ajouter des images lets you drop logos, photos, or screenshots onto any page you like.
Voici comment l'utiliser étape par étape.
Step 1: Click Edit Then Image
Open Edit in the toolbar and click Image.
Step 2: Choose Your File
Pick an image from your computer and click Open.
Voici à quoi cela ressemble :
✓ Point de contrôle: The image sits on the page with handles on every corner.
Step 3: Position and Crop
Drag the corner handles to resize, then rotate if needed.
✅ Résultat : Your PDF carries branding without a trip back to design software.
💡 Conseil de pro : Copy an image from another app and paste it straight onto the page.
How to Manage PDF Expert Pages
Gérer les pages lets you rearrange, rotate, delete, or split pages in one view.
Voici comment l'utiliser étape par étape.
Step 1: Open Thumbnail View
Click the thumbnails icon in the top left corner.
Step 2: Drag Pages Into Order
Drag any page to a new spot to rearrange the file.
Right click a page to rotate, delete, or extract it.
Voici à quoi cela ressemble :
✓ Point de contrôle: Page numbers renumber themselves after every move.
Step 3: Save the New Order
Press Command S to lock in the new page order.
✅ Résultat : Long reports read in the right order from the first page.
💡 Conseil de pro : Add outlines and page numbers so readers can navigate the document quickly.
How to Merge PDFs in PDF Expert
Fusionner des PDF lets you combine a collection of separate files into one clean document.
Voici comment l'utiliser étape par étape.
Step 1: Open the First File
Open the PDF that should sit at the front.
Step 2: Drag the Others In
Open thumbnail view and drag your other PDFs onto it.
Voici à quoi cela ressemble :
✓ Point de contrôle: All pages from both files show in a single thumbnail strip.
Step 3: Export the Merged File
Click File then Export to save the combined document.
✅ Résultat : Merging multiple PDFs into one takes seconds, not minutes.
💡 Conseil de pro : Build a table of contents after merging so the file works as a digital map.
Conseils et astuces de pro pour PDF
After two years of daily use, these are the shortcuts I reach for most.
Raccourcis clavier
| Action | Raccourci |
|---|---|
| Save the file | Command + S |
| Search inside a PDF | Command + F |
| Open thumbnail view | Command + 1 |
| Copier le texte sélectionné | Command + C |
Fonctionnalités cachées que la plupart des gens ignorent
- Redaction: Hide addresses or credit card numbers before you share a file.
- Résumés sur l'IA : Summarize long documents, pull key points, and create keywords.
- Offline translation: Translate whole PDFs on iOS 18 or newer without sending données dehors.
- Password protection: Lock a file so only the right people can open it.
PDF Expert : Erreurs courantes à éviter
Mistake #1: Editing a Scan Without OCR
❌ Faux : Clicking Edit on a scan and wondering why nothing is editable.
✅ À droite : Run optical character recognition first, then edit the recognized text.
Mistake #2: Flattening Every File Before Sharing
❌ Faux : Flattening a file, which locks your notes and comments forever.
✅ À droite : Keep a working copy, and flatten only the version you send out.
Mistake #3: Rebuilding PDF Forms From Scratch
❌ Faux : Retyping a form in Word because the fields look locked.
✅ À droite : Click any field and type to complete applications and tax forms digitally.
Dépannage expert PDF
Problem: Text Won’t Edit
Cause: The page is an image from a scanner, not real text.
Réparer: Open File, run OCR, wait for the scan to finish, then edit.
Problem: Fonts Change After Editing
Cause: The original font is not installed on your device.
Réparer: Install the font, or pick the closest match from the format menu.
Problem: Changes Are Missing on Another Device
Cause: The file synced before your last save finished.
Réparer: Save again, wait for the cloud icon to clear, then reopen the document.
📌 Note: Si aucune de ces solutions ne résout votre problème, contactez le support de PDF Expert.
Qu'est-ce que PDF Expert ?
Expert PDF is a PDF editor and reader built for iPhone, iPad, and Mac.
Think of it like a word processor that finally speaks PDF.
Regardez ce bref aperçu :
Apple named it App of the Year Runner-up and gave it an Rédacteurs‘ Choice badge.
Il comprend les fonctionnalités clés suivantes :
- Modifier les PDF : Rewrite text and resize images directly on the page
- Annoter les PDF : Highlight, underline, and strike through anything on the page
- Annotations et notes : Draw shapes and leave sticky notes anywhere on the page
- Convertir des PDF : Swap between Word, Excel, image files, and PDF in a few clicks
- Signer les PDF : Add a saved signature to contracts and invoices in seconds
- Commentaires PDF : Leave threaded feedback without changing the original layout
- Ajouter des images : Place logos and photos anywhere, then crop or rotate them
- Gérer les pages : Rearrange, rotate, delete, or split pages from one grid view
- Fusionner les PDF : Combine a collection of files into one clean document
All the tools are grouped into toolbar sections you can explore when you open any file.
Pour une analyse complète, consultez notre Analyse d'experts PDF.

Tarification des experts PDF
Voici le prix de PDF Expert en 2026 :
| Plan | Prix | Idéal pour |
|---|---|---|
| Hebdomadaire | 4,99 $/semaine | One-off projects and short deadlines |
| Annuel | 1,53 $/semaine | Daily users who work with PDFs every week |
| Durée de vie | $139.99 | Long-term owners who want to pay once |
Essai gratuit : Yes — try the app before you pay anything.
Garantie de remboursement : Yes — refunds run through the App Store or Setapp.
💰 Meilleur rapport qualité-prix : Lifetime — it pays for itself in under two years.

PDF Expert vs Alternatives
How does PDF Expert compare? Here’s the landscape:
| Outil | Idéal pour | Prix | Notation |
|---|---|---|---|
| Expert PDF | Mac and iOS speed | $139.99 lifetime | ⭐ 4,6 |
| Foxit | Équipes Windows | 14,99 $/mois | ⭐ 4,4 |
| Pdfiller | Formulaires en ligne | 20 $/mois | ⭐ 4,3 |
| TenorShare | File repair | 9,95 $/mois | ⭐ 4.1 |
| Élément PDF | Batch editing | 9,99 $/mois | ⭐ 4,5 |
| Nitro PDF | E-signatures | 14,99 $/mois | ⭐ 4,3 |
| DocHub | Free web edits | 14 $/mois | ⭐ 4,4 |
| UPDF | Budget outils d'IA | 3,33 $/mois | ⭐ 4,4 |
Sélection rapide :
- Meilleur résultat global : PDF Expert — fastest way to edit PDFs on Mac.
- Meilleur budget : DocHub — free tier handles light signing and edits.
- Idéal pour les débutants : PDF Expert — the toolbar explains itself.
- Idéal pour Windows : Foxit — built for PC-first offices.
🎯 Alternatives à PDF Expert
Vous cherchez des alternatives à PDF Expert ? Voici les meilleures options :
- 🚀 Foxit : Fast reader with strong PDF editing and team collaboration for Windows-heavy offices.
- 💰 Pdffiller: Browser-based tool built to fill out forms and collect signatures without any download.
- 🔧 TenorShare : Budget desktop suite that repairs, unlocks, and converts PDFs on Windows and Mac.
- 🏢 Élément PDF : Full desktop editor with batch processing, form building, and enterprise licensing.
- 💼 Nitro PDF : Business-focused platform with e-signature workflows and document analytics built in.
- ⚡ DocHub : Free web app that signs and edits PDFs straight from Gmail and Google Drive.
- 🧠 UPDF : Affordable cross-platform editor with AI summaries and unlimited device activation.
Pour la liste complète, consultez notre Alternatives à PDF Expert guide.
⚔️ Comparaison d'experts PDF
Voici comment PDF Expert se compare à chacun de ses concurrents :
- PDF Expert contre Foxit : Foxit covers Windows better. PDF Expert wins on Mac, iPad, and iPhone speed.
- PDF Expert contre Pdffiller : Pdffiller works fully online. PDF Expert works offline and feels faster on a Mac.
- PDF Expert contre TenorShare : TenorShare fixes broken files well. PDF Expert is the easiest way to edit daily.
- PDF Expert vs PDFelement : PDFelement has deeper batch tools. PDF Expert has a cleaner, faster interface.
- PDF Expert vs Nitro PDF : Nitro suits large teams. PDF Expert suits individuals and petite entreprise utilisateurs.
- PDF Expert contre DocHub : DocHub is free and quick. PDF Expert handles heavy files without a browser tab.
- PDF Expert contre UPDF : UPDF costs less across appareils. PDF Expert feels more native on iOS and Mac.
Commencez à utiliser PDF Expert dès maintenant
Vous avez appris à utiliser toutes les principales fonctionnalités de PDF Expert :
- ✅ Modifier les PDF
- ✅ Annoter des PDF
- ✅ Annotations et notes
- ✅ Convertir des PDF
- ✅ Signer des PDF
- ✅ Commentaires PDF
- ✅ Ajouter des images
- ✅ Gérer les pages
- ✅ Fusionner des PDF
Étape suivante : Choisissez une fonctionnalité et essayez-la dès maintenant.
La plupart des gens commencent par modifier des PDF.
Cela prend moins de 5 minutes.
Foire aux questions
PDF Expert est-il gratuit ?
PDF Expert offers a free trial and a free reader mode. Editing, signing, and converting need a paid plan, priced weekly, yearly, or as a one-time lifetime purchase.
Un expert en PDF peut-il modifier un PDF ?
Yes. PDF Expert edits text, images, and links directly on the page. Scanned documents need optical character recognition first, which the app runs in a few seconds.
Quelle est la différence entre Adobe Acrobat et PDF Expert ?
Acrobat runs everywhere and costs more monthly. PDF Expert is Mac and iOS only, opens heavy files faster, and offers a lifetime licence instead of a subscription.
Comment copier-coller dans PDF Expert ?
Select text, press Command C, then Command V where you want it. You can also right click the selection and choose Copy from the menu.
PDF Expert vaut-il le coup ?
For daily Mac, iPad, and iPhone users, yes. The lifetime price beats two years of most subscriptions, and the app handles almost every PDF task without extra software.













