Differino vs Redline Compare

Differino compares PDF, DOCX, and TXT documents and displays changes side by side. Users can review revisions in visual or text comparison modes. For scanned or image-based PDFs, OCR-assisted extraction and rendered page differences help surface changes. Each file can be up to 45 MB. The free plan includes one comparison, 24-hour share links, watermarked PDF exports, and 14-day retention for uploads and results. One-time credit packs provide additional comparisons with no-expiry credits and watermark-free exports; Pro items are retained for 365 days. The service also offers a REST API and an MCP server for Claude, Cursor, and other compatible clients. Differino states that data in transit is encrypted with TLS 1.3 and stored data with AES-256. It describes use cases including contract review for legal and business teams, and report review for finance, audit, and operations. The finance page says it focuses on document comparison rather than native spreadsheet diffing.

Redline Compare is a web service for comparing original and edited documents for legal teams. Upload both versions and receive a redlined document that highlights their changes; the site says results are returned in seconds. It supports PDF and DOCX comparison and lists all file formats in both plans. Documents are processed with enterprise-grade encryption, according to the site. The product focuses only on redlining. It does not include document storage, user-management systems, or collaboration tools. The Free plan costs nothing and provides 50 document comparisons. Pro costs $4.99/month and adds unlimited redlines and priority processing. Both plans list professional accuracy and all file formats. Redline Compare describes its pricing as having no hidden charges, with payment directed only to redlining. It runs in a web browser, with PDF comparison, office-file comparison, and redline output provided through the web deployment.