Diffchecker, in plain English

Diffchecker is a friendly, all‑in‑one “spot the differences” platform for files. It compares text, PDFs and Word docs, images, spreadsheets, and even folders so you can see exactly what changed, fast. You can use it in the browser (free), install a secure offline desktop app for Windows, macOS, and Linux, or plug it into your systems via a simple API. (diffchecker.com)

Why it matters for a solid Back Office

• Reduces risk and rework. Catch tiny edits in contracts, policies, invoices, and SOPs before they slip into production or go to a client. Character‑level and word‑level views make misses unlikely. (diffchecker.com)

• Speeds up reviews. Compare complex PDFs, Word files, Excel sheets, or entire folders in minutes, not hours, and export clean redlines for audit trails. (diffchecker.com)

• Protects sensitive data. The desktop app works offline with end‑to‑end encryption, so diffs stay on your machine—ideal for legal, finance, HR, and compliance workflows. (diffchecker.com)

• Fits enterprise controls. Options like SAML SSO and SCIM provisioning help IT standardize access and onboarding across teams. (diffchecker.com)

What you can compare

• Text and code. Character‑by‑character and word‑by‑word comparisons with syntax highlighting for many languages. (diffchecker.com)

• PDFs and Word docs. Compare PDF‑to‑PDF, Word‑to‑Word, or even cross‑format to surface every change. (diffchecker.com)

• Images. Spot visual changes across formats like JPG, PNG, GIF, WEBP, and HEIC. (diffchecker.com)

• Excel and spreadsheets. Review cell‑level differences across XLS/XLSX/CSV and more. (staging.diffchecker.com)

• Folders. Scan whole directories to find added, removed, or modified files. (diffchecker.com)

Standout features you’ll actually use

• Real‑time text diff and diff merging. Edit inside Diffchecker and see changes update instantly, then merge and export. (diffchecker.com)

• AI that lightens the load. Use AI to extract and compare content from PDFs and to explain complex diffs in plain English—great for summaries and handoffs. (staging.diffchecker.com)

• Advanced document handling for legal teams. Generate professional redlines, compare scans with OCR, and prepare clean deliverables. (diffchecker.com)

• Enterprise‑grade security. Offline diffs, end‑to‑end encryption, and optional SSO keep confidentiality and control front and center. (diffchecker.com)

• Convenient exports. Save results as PDF or share securely, depending on your plan. (diffchecker.com)

Ways to deploy it

• Web app (free). Great for quick checks and lightweight workflows with no install required. (diffchecker.com)

• Desktop app (Windows, macOS, Linux). Fully offline operation for sensitive work; ideal for legal, finance, and regulated teams. 14‑day free trial available. (diffchecker.com)

• API. Compare text, PDFs, images, and Excel via HTTP endpoints to automate checks in DMS, CI/CD, or back‑office systems. Flexible auth with email or API keys. (diffchecker.com)

Pricing snapshots (as of September 25, 2025)

• Basic (Free). Unlimited use of core web tools. (diffchecker.com)

• Pro + Desktop: $15/user/month. Adds the desktop app and advanced features. (diffchecker.com)

• Legal: $20/user/month. Built for legal teams; includes Pro + Desktop and iManage integration. (diffchecker.com)

• Enterprise: $40/user/month, annual billing. Everything in Pro + Desktop, plus SAML SSO, SCIM provisioning, and dedicated support. (diffchecker.com)

• API plans: Free tier, then Standard $99/month and Business $299/month with higher limits; Enterprise is custom. Check quotas and max file sizes per tier. (diffchecker.com)

How Diffchecker supports back‑office excellence

• Contract and policy control. Create clean redlines, keep version history tidy, and hand auditors or stakeholders a clear, defensible change record. (diffchecker.com)

• Financial accuracy. Reconcile exported reports and spreadsheets by cell to spot silent data drift before it hits accounting or BI. (staging.diffchecker.com)

• Vendor and compliance reviews. Compare SOWs, SLAs, and security policies line by line; secure offline review reduces data‑exposure risk. (diffchecker.com)

• Team enablement at scale. Centralized access via SSO/SCIM and an API for automation means fewer manual checks and fewer bottlenecks. (diffchecker.com)

Bottom line

If your back office lives on documents, numbers, and process, Diffchecker gives you a fast, precise, and secure way to spot changes—and prove it. Use the free web tools for everyday checks, adopt the offline desktop app for sensitive work, and wire up the API to automate the boring parts. It’s a practical, low‑friction upgrade to accuracy and control. (diffchecker.com)