Commercially safe generative AI workspace for images, video, audio, vectors, and multi-model creative production.
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Continual Engine (CE) records 27,963 monthly visits with +82.6% month-over-month growth and Contact for Pricing pricing. Dropbox Sign (HelloSign) records 4,339,818 monthly visits with -2.2% growth and Free Trial, Paid, Contact for Pricing pricing.

AI-led digital accessibility for documents, images, video and websites
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | continualengine.com | hellosign.com |
| Pricing Model | Contact for Pricing | Free Trial, Paid, Contact for Pricing |
| Monthly Visits | 27.96K (27,963) | 4.34M (4,339,818) |
| MoM Traffic Delta | +12.65K (+82.6%) | -98.94K (-2.2%) |
|---|
| Primary Market & Share | 🇺🇸 United States (59.4%) | 🇺🇸 United States (68.9%) |
|---|
| Direct Visits / mo | 11K | 3.04M |
|---|
| User Rating | 5 | 5 |
|---|
| Supported Platforms | Website | Website |
|---|

AI-led digital accessibility for documents, images, video and websites
Automated remediation for PDFs, Word files and scanned pages, including complex tables, with CMS and LMS integrations and a Canvas LTI app.
Generates consistent, high-quality image descriptions across mathematics, science, engineering and other specialist subjects at publishing scale.
Closed captions, transcripts and extended audio descriptions for video and audio content, produced with automated plus human review workflows.
ContinuA11Y plugin, colour contrast checker and an audit API for hosted PDFs to find and fix website barriers.

Electronic signatures and agreement workflows built into Dropbox
Recipients can review and sign agreements securely without creating an account, which removes friction from external signing.
Prepare NDAs, offer letters and contracts once, then reuse them for future requests to save time on recurring paperwork.
Embed secure, branded eSignature flows directly into your website, app or customer experience with a dedicated API.
Completed agreements are saved automatically to your preferred storage account so nothing gets lost in inboxes.
Commercially safe generative AI workspace for images, video, audio, vectors, and multi-model creative production.
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
Turn long PDFs into clear summaries and chat with your documents
An AI-powered creative and productivity suite spanning video, documents, diagrams and data
Free online OCR that turns any image into editable text in seconds
Data recovery, backup, and AI-powered media utilities in one suite
Every major AI model in one subscription
AI sidebar and browser agent for reading, writing and research
Bilingual AI translation for websites, documents, video and images
AI headshot generator that turns selfies into studio-quality professional photos