Grok Text to Speech vs ImgExtender

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

Grok Text to Speech compared with ImgExtender
Detail	Grok Text to Speech	ImgExtender
What it does	Free online tool to convert text into natural speech using 28 Grok AI voices in 20 languages	Expand photos without cropping or stretching
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free tier: 3 previews per day (200 characters each) without account; free Google sign-in offers 1,000 characters per clip, 20 clips per hour, 3,000 characters per day. Paid plans available for longer clips and more characters.	Free: 10 credits (2 generations). Pro: $9.99/month ($119.88 yearly, 2,400 credits/year). Max: $29.99/month ($359.88 yearly, 9,600 credits/year). Each generation costs 5 credits. Free and Pro results are watermark-free for Pro and Max subscribers; free tier results are watermarked.
Key features	28 Grok voices Speech tags for pauses, laughs and whispers Download as MP3 audio file Speed adjustment from 0.7× to 1.5× 26 speech expression tags Free preview without account Auto-detect language mode No text storage or logging Multiple account sign-in options	Generate new canvas space around images in square, portrait, or landscape ratios Position subject within destination frame before generation Review generated space on comparison canvas before download No prompts required Browser-based editor with no software installation Private uploads and results by default Watermark-free results on Pro and Max plans Commercial use rights on paid subscriptions Support for JPG, PNG, and WebP formats up to 10 MB Same professional image-extension model across all plans
What makes it different	Independent frontend: no developer account needed to access real Grok voices All 28 official Grok voices in one tool Built-in speech tags for natural expression control Cheaper than ElevenLabs and comparable to OpenAI pricing Same voices available for text-to-speech and voice agents	No complex prompts or AI settings required—just set the frame and position the subject Designed specifically for image extension without upscaling or cropping Full control over composition and subject placement before generation One image adapted for multiple layouts and formats simultaneously Private by default with automatic deletion after 7 days
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)	8 −1 (down) since last check	12 −1 (down) since last check
Trust Flow (Majestic)	8	4
Citation Flow (Majestic)	23	18
Referring domains (Majestic)	13	28

5 details filled in for both companies.

More alternatives to Grok Text to Speech More alternatives to ImgExtender