OpenCapture vs TranslateBuff

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenCapture compared with TranslateBuff
Detail	OpenCapture	TranslateBuff
What it does	Free full-page screenshot browser extension for Chrome, Edge and Firefox	AI translator for webpages with multiple models
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: Full-page, visible-area and selected-area capture, crop, draw, text, shapes, blur, unlimited undo, and export to PNG or PDF. Supporter: $5 for 1,000 credits (one-time, includes tiled logo or text watermark with custom opacity, position, and angle).	Free plan with unlimited basic translation; Pro Annual at $4.32/mo (2M AI tokens per month, billed $51.90 every 12 months); Pro 2 Months at $6.95/mo (2.5M AI tokens per month, billed $13.90 every 2 months); Pro 3 Years at $1.66/mo (1.5M AI tokens per month, billed $60.00 every 36 months)
Key features	Full-page screenshot capture Visible-area and selected-area capture modes Crop and resize images Draw, text and shapes annotation Blur sensitive information Unlimited undo Export to PNG or PDF Capture history with last 50 screenshots Tiled watermark (Supporter feature)	Read entire webpages in bilingual or translation-only mode Highlight any text for instant translation in a popup Translate as you type with keyboard shortcut Compare 20+ AI models side by side Context-aware translation with industry terminology Bilingual video subtitles for YouTube Translation hub to paste text and compare results Works on Chrome, Edge, and Firefox AI-powered sentence segmentation for videos Keep original webpage layout in translations
What makes it different	Completely open source under AGPL-3.0-or-later so users can verify no data collection All processing done locally with no uploads unless buying credits No account required for all core features One-time payment for Supporter feature instead of subscription Stitches full pages into seamless single images	Access multiple premium AI models without managing separate accounts Whole-page context for more accurate terminology and tone Compare translations from different AI models side by side Bilingual video subtitles with AI sentence segmentation Flexible pricing scaled by translation volume
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	21	0
Referring domains (Majestic)	25	1

5 details filled in for both companies.

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