ToolKnife vs iLovePDF

Need to process PDFs online? iLovePDF is the full-featured PDF specialist. ToolKnife processes everything client-side so your files never leave your browser. Different trade-offs for different priorities.

Your files contain sensitive data and shouldn't leave your device

ToolKnife

All PDF operations run client-side in your browser using pdf-lib. Files never leave your device. Zero server uploads.

iLovePDF

Server-side processing. Files are uploaded to iLovePDF servers, processed, then deleted. Faster for large files, but your documents pass through a third party.

Try PDF Merger

You need to convert PDFs to Word, Excel, or extract text via OCR

ToolKnife

Not available. ToolKnife handles PDF manipulation (merge, split, rotate, watermark, form fill) and image conversion, but not document format conversion or OCR.

iLovePDF

Full conversion suite: PDF to Word, Excel, PowerPoint. OCR for scanned documents on Premium. E-signatures included.

You want to chain multiple PDF operations in one step

ToolKnife

PDF pipeline lets you merge + rotate + add watermark + add page numbers in a single workflow. Upload once, apply multiple operations, download once.

iLovePDF

Each operation is a separate tool. Process one step, download, re-upload for the next step.

Try PDF Pipeline

You also need image tools, calculators, or developer utilities

ToolKnife

280+ additional tools across 25 categories: image compressor, invoice generator, CSS generators, JSON formatter, currency converter. All with API access.

iLovePDF

A few image conversion tools alongside the PDF suite. No calculators, developer tools, or other categories.

Try Afbeelding compressor

Quick comparison

	ToolKnife	iLovePDF
Processing	Client-side (files stay local)	Server-side (files uploaded)
PDF to Word/Excel	No	Yes
OCR	No	Yes (Premium)
PDF pipeline	Yes (chain operations)	No
Non-PDF tools	280+ across 25 categories	Image tools only
Desktop app	No	Yes (Windows/Mac)

Pricing

ToolKnife

Free (all tools) / Pro $19/mo / Business $99/mo

iLovePDF

Free (limited) / Premium $4/user/mo / Business $15/user/mo

FAQ

Does ToolKnife process PDFs on the server?

No. All PDF operations run client-side in your browser. Your files never leave your device. iLovePDF processes files on their servers, which enables features like OCR and format conversion that require server resources.

Why is iLovePDF cheaper for PDF-only use?

iLovePDF Premium at $4/user/mo covers PDF tools only. ToolKnife at $19/mo includes 290+ tools across 25 categories plus API access. If you only need PDF tools, iLovePDF is more affordable.

What is a PDF pipeline?

Upload a PDF once, then apply merge + rotate + watermark + page numbers in sequence. ToolKnife processes all steps client-side in one workflow. iLovePDF requires separate tool visits for each operation.