Basalt for Mac vs Filewhisk

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

Basalt for Mac compared with Filewhisk
Detail	Basalt for Mac	Filewhisk
What it does	18 PDF tools in one native Mac window, including redaction that destroys content and proves it	Free file tools that run in your browser with no upload, no file size limit, and no sign-up required
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Paid	Free
Pricing	$29 lifetime license for up to 3 Macs. No subscription. Free 24-hour trial available.	Not given
Key features	PDF redaction that permanently destroys content Redaction verification with signed certificates PDF merge and split OCR to make PDFs searchable Bates numbering for legal productions PDF compression Digital signature and PDF forms Batch procedures and automation PDF comparison tool Privilege log generation in CSV and XLSX	Edit images including transparency, text, brightness, sharpening Convert data formats including CSV, Excel, JSON, XML All processing runs locally in browser with no uploads
What makes it different	Redaction that destroys content permanently rather than covering it Independent verifier proves destruction before any file is written Byte-reproducible output verifiable by third parties One-time $29 purchase with lifetime license, no subscription	Files never leave your device - no upload, no server storage, no file size limits No sign-up, no account, no premium plan or subscription Tools continue working offline after the page loads 171 tools covering images, PDFs, video, audio and data formats
Community votes	0	0
DR (Domain Rating by Ahrefs)	15 no change since last check	6 no change since last check
Trust Flow (Majestic)	9	4
Citation Flow (Majestic)	31	24
Referring domains (Majestic)	26	9

4 details filled in for both companies.

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