The 8 Best PDF24 Tools Alternatives in 2026

iLovePDFs is a powerful online PDF tools platform that lets users convert, edit, compress, merge, split, and secure PDF files instantly. Designed for speed, simplicity, and accuracy, it helps students, professionals, and businesses manage PDFs without installing any software. Everything runs in the browser — no signup required for most tools. Perfect for teams that need to handle contracts, invoices, reports, and documentation as part of their product workflow.

• Completely free with no signup needed
• Covers all common PDF operations
• Browser-based — no install required

Stirling PDF is a self-hosted, open-source web app offering 50+ PDF operations (merge, split, convert, OCR, sign, redact). Because you host it yourself, documents stay on your own infrastructure — ideal for privacy-sensitive teams.

• Open-source & self-hosted
• Total data privacy
• Huge feature set

PandaDoc is a document workflow platform built for sales and revenue teams. It combines a drag-and-drop builder, a content and template library, interactive pricing tables, CRM integrations, e-signatures, and built-in payment collection. Teams use it to turn proposals, quotes, and contracts into trackable, signable documents that close faster. The Business tier unlocks CRM integrations and payments where most revenue teams land.

• Free unlimited e-signature plan
• Strong proposal and quote builder
• CRM integrations and payment collection

Smallpdf is a widely used web PDF toolkit covering conversion, compression, merging, editing, and e-signatures. A free tier handles occasional tasks; Pro removes limits and adds unlimited processing and signing.

• Clean, easy-to-use interface
• Wide range of PDF tools
• E-signature support

Adobe Acrobat is the most widely used professional PDF platform. Pro adds full editing, OCR, redaction, document comparison, and legally binding e-signatures via Acrobat Sign. The 2025 Acrobat Studio tier layers on an AI Assistant, PDF Spaces, and Adobe Express, turning Acrobat from a pure editor into a document productivity hub. Best for teams that need a definitive, compliance-grade tool for contracts, reports, and forms.

• Industry-standard, universally compatible
• Most complete PDF feature set
• Strong redaction and compliance tools

Docusign is the market leader in electronic signatures and agreement management. Beyond e-signatures, its Intelligent Agreement Management (IAM) platform adds AI-powered agreement analysis, no-code workflow automation via Maestro, and a smart document repository called Navigator. Trusted for legally binding, audit-ready signing across contracts, NDAs, and offer letters, with deep integrations and enterprise-grade security.

• Most recognized and trusted e-signature brand
• Legally binding and audit-ready
• Huge integration ecosystem

Foxit PDF Editor is the leading Adobe Acrobat alternative, offering create, edit, convert, form-filling, and e-signature features across desktop, mobile, and cloud. The Editor+ tier adds AI Smart Redact, 150GB storage, and bundled eSign envelopes, plus an AI Assistant with free monthly credits. Popular with cost-conscious teams and businesses that want professional PDF capability without Adobe's pricing.

• About half the cost of Adobe Acrobat
• Full professional PDF feature set
• Cross-platform with mobile access

Proposify is a dedicated proposal-building platform for sales teams that want polished, consistent, on-brand documents. It offers a designer-grade editor, a template and content library, interactive pricing tables, e-signatures, CRM integrations, and approval workflows with analytics on viewer engagement. Best for mid-market sales orgs that send proposals at volume and need governance over branding and content.

• Designer-grade, on-brand proposals
• Strong template and content governance
• Viewer engagement analytics