Best AI PDF Tools for Students and Professionals
Compare practical AI PDF tools for summaries, notes, OCR cleanup, forms, and business document workflows.
Read the AI PDF tools guideFree PDF and image tools for forms and documents
Free PDF and image tools for everyday document work, online forms, applications, and file-size limits. Resize signatures and photos, compress PDFs, convert images to PDF, and combine application documents.
Quick answer: Use PDF Buddy when you need browser-based PDF and image tools for upload limits, application forms, school documents, resumes, and everyday file cleanup.
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Secure & Private
No Watermarks
No Registration
browser-side where supported
Instant Processing
25+
Free PDF and Image Tools
Secure PDF Tools Built for AI-Ready Document Work
The PDF Buddy is a free online PDF editor and converter suite for common document work: merge PDF files, compress PDF size, convert PDF formats, edit PDF pages, add signatures, run OCR, and prepare files for AI PDF summarizers or document automation workflows.
Privacy matters when handling PDFs. Tools use browser-side processing where possible, clear upload messaging for server-assisted conversions, encrypted transfer, and no required account for standard PDF tasks. For AI workflows, start with clean source PDFs and verify summaries against the original document.
New to PDF AI? Start with our AI PDF tools guide, AI PDF summarizer workflow, or intelligent document processing guide.
High-intent tools for online forms and applications
Start with the exact task your form requires. These pages target common upload limits for signatures, passport photos, resumes, certificates, marksheets, and PDF attachments.
Merge Resume and Certificates
Combine resume and supporting documents into one job application PDF.
Open WorkflowDocument tool categories
Form Upload Tools: signature resize, photo resize, PDF upload limit help, and application checklists. PDF Compression Tools: targets around 100KB, 200KB, 500KB, and 1MB where possible. Image Resize Tools: browser-side JPG, PNG, and WebP resizing. PDF Conversion Tools: JPG, HEIC, Word, and PDF image conversions. PDF Editing Tools: merge, split, rotate, crop, watermark, page numbers, annotate, redact, and compare.
Privacy: Most tools run in your browser. Some advanced conversions may require server processing and show an upload notice. Always check the tool page privacy note before using sensitive documents.
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Edit PDF Files Online for Free
Most Popular
Merge PDF
Combine multiple PDF files into one document in seconds. Perfect for merging reports, portfolios, and presentations.
Merge NowPopular
Split PDF
Extract pages or split PDFs into multiple documents. Useful for extracting chapters or sections from large files.
Split NowAnnotate PDF
Add comments, highlights and drawings to your PDFs. Great for studying documents or collaborative work.
Annotate NowAdd Watermark
Protect your documents with custom watermarks. Ideal for confidential documents and official reports.
Add WatermarkCrop PDF
Adjust margins and crop PDF pages to your needs. Perfect for optimizing document layout.
Crop NowNew
Sign PDF
Add digital signatures to your documents securely. Works with contracts and other important documents.
Sign NowRedact PDF
Permanently remove sensitive information from PDFs. Secure your confidential documents before sharing.
Redact NowAdd Border
Add professional borders to your PDF pages. Enhance documents with custom borders.
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Convert PDFs and Images in Seconds
New
Image Tools Hub
Resize, compress, convert, and batch process images from one browser-side image workspace.
Open HubNew
Image Resizer & Compressor
Resize images to any dimension while maintaining quality. Perfect for social media, websites, and documents.
Resize NowNew
Image Compressor
Reduce JPG, PNG, and WebP file sizes with a quality slider and before-and-after preview.
Compress NowNew
Image Converter
Convert JPG, PNG, and WebP images in your browser and compare final file sizes.
Convert ImageNew
Bulk Image Tools
Resize, compress, or convert multiple images with shared settings and download a ZIP.
Process BatchPopular
Word to PDF
Convert Word documents to high-quality PDFs. Perfect for converting documents to PDF format.
Convert NowPDF to Word
Convert PDFs to editable Word documents. Extract text from PDF files for editing.
Convert NowPopular
JPG to PDF
Convert images to PDF documents. Create PDFs from images or screenshots.
Convert NowNew
HEIC to PDF
Convert iPhone photos to PDF documents. Great for converting documents or screenshots to PDF.
Convert NowHTML to PDF
Convert web pages to PDF documents. Save online articles or reports as PDF files for offline reading.
Convert NowPPT to PDF
Convert PowerPoint presentations to PDF format. Preserve your slides' formatting when sharing.
Convert NowSecure PDF Tools with Privacy
Popular
Compress PDF
Reduce PDF file size while maintaining quality. Compress large files for email and sharing.
Compress NowNew
Unlock PDF
Remove password protection from PDF documents. Unlock protected PDF files.
Unlock NowOCR PDF
Convert scanned PDFs to searchable text. Make PDF documents searchable and editable.
OCR NowNew
Add Page Numbers
Insert customizable page numbers to your PDF. Organize documents professionally.
Add NumbersCompare PDF
Compare two PDF files and highlight differences. Useful for comparing document versions.
Compare NowRemove Pages
Delete specific pages from your PDF document. Clean up PDFs by removing unwanted pages.
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Why Choose Our Free PDF Editor?
Get professional PDF tools without the cost or complexity
Merge PDF Files in 2 Clicks
Combine multiple PDFs into one document quickly. Perfect for reports, portfolios, and presentations.
Split PDFs Without Losing Quality
Extract specific pages or split large PDFs into smaller files. Ideal for separating chapters or sections.
Compress PDFs for Email
Reduce file size without compromising quality. Send large PDFs via email without size restrictions.
Convert HEIC to PDF Instantly
Transform iPhone photos into PDF documents. Convert documents or screenshots to PDF format with one click.
Unlock Protected PDF Files
Remove password protection from PDF documents. Access restricted content securely.
OCR Technology for Scanned PDFs
Convert image-based PDFs to searchable text. Make PDF documents searchable and editable.
How to Use Our PDF Tools
Edit your PDF files in 3 simple steps
1
Upload Your PDF
Drag and drop your PDF file or click to browse. Your files are processed securely in your browser - they're processed locally where supported.
2
Edit & Customize
Use our tools to merge, split, compress, convert, or edit your PDF. All changes happen instantly with real-time preview.
3
Download Your File
Get your processed PDF with one click. No watermarks or registration for standard tasks. Check the result before submitting important files.
Common PDF and image use cases
Helpful PDF tools for everyday document tasks
Convert HEIC or JPG photos into PDFs when a form needs one document instead of separate image uploads.
Merge reports, certificates, and supporting documents into one PDF before submitting an application.
Compress oversized PDFs so they are easier to email, share, or upload to portals with file-size limits.
Use OCR on scanned PDFs when you need searchable text for review, copying, or document cleanup.
Resize photos and signatures for exam forms, job applications, profile pages, and ID uploads.
Latest PDF and AI Document Guides
Discover practical advice for PDF editing, AI PDF summaries, document automation, and secure workflows.
How to Use AI to Summarize PDF Files
Learn how to prepare PDFs for AI summaries with OCR, compression, section prompts, and source checks.
Read the AI PDF summarizer guide
AI Document Automation: How Businesses Can Save Time
Plan safe AI document automation for reports, forms, invoices, OCR, and PDF review workflows.
Read the AI document automation guideFrequently Asked Questions
Find answers to common questions about our PDF tools
Is PDF Buddy really free to use?
Yes. The main PDF tools are free to use with no watermarks, no registration, and no hidden conversion limits for everyday tasks.
Which PDF tools are available online?
The PDF Buddy includes tools to merge PDF files, compress PDF size, convert PDF formats, edit PDF pages, add annotations, rotate pages, add watermarks, sign PDFs, and run OCR on scanned PDFs.
Can I use this as an online PDF editor?
Yes. You can edit PDF documents in your browser by annotating, signing, rotating, cropping, removing pages, adding page numbers, and adding watermarks without installing desktop software.
Can I compress large PDF files?
Yes. The compress PDF tool reduces large document sizes for email, uploads, and sharing while keeping readable quality for most files.
Is my data secure?
Yes. PDF Buddy prioritizes browser-side processing where possible, clear upload messaging, encrypted transfer for server-assisted tools, and short retention windows for temporary processing files.
How should I use AI with PDF files?
Prepare the file first with OCR, compression, splitting, or merging, then use AI for summaries, study notes, extraction, or drafting. Always verify important AI output against the original PDF.
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