EbSynth vs OpenCaptions

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

EbSynth compared with OpenCaptions
Detail	EbSynth	OpenCaptions
What it does	Change your video by editing one frame	Free, open-source video captions you control
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0 with all core functions, 720p export, MP4 output. Pro: $20/month with 1080p and 4K exports, PNG with alpha output, priority processing. Studio: $200/month/seat with desktop app for Windows, local processing, full data privacy.	Free app (1080p at 30 fps), Pro one-time purchase 14.99 €, self-hosting free
Key features	Paint directly into video frames Hand-drawn animation with automatic inbetweening Video retouching and digital makeup Style propagation for animation Optional AI keyframe generation High-resolution exports up to 4K PNG sequence output with alpha channel Desktop app for Windows with local processing Priority processing queue	Transcription with Whisper, Parakeet, or Apple Speech Word-by-word animated captions Caption styling and correction Export as MP4, WebM, ProRes, SRT, VTT or JSON iPhone app with on-device transcription Self-hosted Docker deployment HTTP API for scripts and pipelines Integration with Claude, Cursor and MCP clients Support for 13 interface languages GPU acceleration optional for faster transcription
What makes it different	No manual tracking required for video edits Texture-synthesis algorithm, not generative AI Full data privacy with local processing option No time or functional limitations on free plan Puts creative control in artists' hands	Open source with Rust engine shared across browser, app and server No uploads: iPhone app transcribes on device, self-hosted keeps videos local Free with one-time Pro purchase, no subscription required Run on your own server with Docker, no dependency on external services Agent integration for video captioning from Claude and other AI tools
Community votes	0	0
DR (Domain Rating by Ahrefs)	50 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	14	0
Citation Flow (Majestic)	31	0
Referring domains (Majestic)	1258	0

5 details filled in for both companies.

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