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Description
Diffchecker is a file and document comparison tool for text, code, PDFs, Word documents, Excel spreadsheets, PowerPoints, images, and folders.
Diffchecker's free online tool is built for collaboration. It runs in any browser with no sign-up and lets users save diffs online, share them by link, and leave line-by-line comments. An AI summary tool can also explain complex or semantic differences in plain English (web only).
Diffchecker Desktop is built for confidential work and is the stronger choice for compliance-sensitive workflows. It runs fully offline on Windows, Mac, and Linux, so files never leave the device, and it has no AI or LLM integrations. That makes it a private, secure choice for redlining legal contracts and other confidential documents.
Professional legal redlining is the centerpiece for legal teams. Diffchecker produces polished, customizable Word and PDF redlines of contracts and agreements, comparing PDF to Word, PDF to PDF, or Word to Word, with tracked changes down to the word and character and OCR for scanned documents. The Diffchecker Legal plan adds iManage integration, which lets users redline documents directly from iManage and save results back to it. Enterprise adds SAML single sign-on, SCIM provisioning, and dedicated support.
Text-diff features include: real-time text editor, syntax highlighting, ignore whitespace or custom text, PDF export, and a smart algorithm that chooses between character and word level diff granularity automatically.
Document-diff features include: changelog, formatting change detection (e.g. font size/style/color), move detection, redline, image detection, custom ignore rules, and OCR.
Plans start free, with Pro + Desktop at $15, Legal at $20, and Enterprise at $40 per user per month.
Description
Leela serves as an email-based agent for reviewing and negotiating contracts, catering to in-house legal departments, deal desks, procurement teams, and law firms. By forwarding a counterparty's draft along with a brief, users receive a Word document containing tracked changes, a list of issues related to specific clauses, and a detailed memo. For every revised draft, Leela meticulously compares it with the previous version, pinpointing any altered, retained, conceded, or newly introduced positions, while also flagging unmarked modifications and updating the issues list associated with the deal. The review process adheres to a structured playbook derived from previously signed agreements or explicit written guidelines. Furthermore, Leela exclusively directs its work to the client’s team and meticulously maintains a record for each individual matter. In terms of security, all documents are encrypted both in transit and at rest, ensuring their confidentiality, and none of the data is utilized for training any models. This comprehensive approach not only streamlines contract negotiations but also fortifies data integrity and confidentiality throughout the process.
API Access
Has API
Yes
API Access
Has API
No
Screenshots View All
No images available
Integrations
Git
Yes
Microsoft 365
Yes
Microsoft Outlook
Yes
Microsoft Word
Yes
iManage
Yes
Integrations
Git
No
Microsoft 365
No
Microsoft Outlook
No
Microsoft Word
No
iManage
No
Pricing Details
$15 per month
Free Trial
Yes
Free Version
Yes
Pricing Details
$122/user/month
The plan costs $149 per seat per month for 1–4 seats, falling to $122 per seat per month for 15–20 seats, with discounts beginning at 5, 10, and 15 seats. A 14-day free trial requires no credit card. Teams with more than 20 seats can request enterprise pricing.
Free Trial
Yes
Free Version
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
Yes
Mac
Yes
Linux
Yes
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
Yes
Live Rep (24/7)
Yes
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
Yes
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
Diffchecker
Founded
2011
Country
Canada
Website
www.diffchecker.com/desktop/
Vendor Details
Company Name
Humblepaper, Inc.
Founded
2026
Country
United States
Website
leela.works
Product Features
File and Document Comparison
Audio Comparison
No
Barcode Comparison
No
Braille Comparison
No
Code Comparison
Yes
Document Comparison
Yes
File Comparison
Yes
Image Comparison
Yes
PDF Comparison
Yes
Video Comparison
No