Mass Rename vs Konvizi

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

Mass Rename compared with Konvizi
Detail	Mass Rename	Konvizi
What it does	Batch rename files from a CSV or Excel mapping table without uploading them	Free file converter that processes files entirely in your browser without uploading them
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free: rename up to 50 files per batch with all features. Lifetime licence: $19 USD one-time payment for unlimited files per batch.	Not given
Key features	Case-insensitive filename matching across CSV/XLSX files Preview all conflicts before renaming Download renamed files as ZIP Rename photos by EXIF date taken Support for CSV, TSV and Excel .xlsx formats In-place folder renaming for Chrome and Edge Generate rename scripts for Windows, Mac and Linux Handle files in subfolders without moving them Auto-numbering for duplicate filenames	Image conversion (HEIC, JPG, PNG, WebP, AVIF, SVG, GIF, ICO) PDF tools (merge, split, compress, sign, protect, OCR) Word and text conversion Excel, CSV and JSON conversion Audio conversion (MP3, WAV, M4A) Works on computer, iPhone, iPad and Android No watermark No maximum file limit Instant processing without queue
What makes it different	100% client-side processing—files never leave your browser or device No account, signup or installation required Works offline after the page loads Free tier with full features for up to 50 files per batch	100% local processing in browser - files never uploaded to servers Privacy verified through browser developer tools and Content-Security-Policy No account, no tracking, no analytics, no advertising Uses well-known open-source libraries for reliability 63 free tools with no sign-up required
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 +6 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

4 details filled in for both companies.

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