AI Colorize Black & White Photos — Batch Desktop
Bring old B&W photos to life with realistic AI colorization — in batch, on your desktop.
Download the trial: 10 free images
30-day trial, the first 10 images without a watermark. Then $129 once, no subscription. No credit card. Windows 10 and 11.
- Add your imagesDrag & drop files or entire folders
- Select the Colorize B&W presetOne click — AI analyzes each photo and applies realistic, historically accurate colors to clothing, skin, landscapes, and objects.
- ConvertAll outputs ready in minutes
Powered by Google Gemini AI. Drop an entire album of black & white photos and get realistic, historically accurate colors automatically.
Desktop vs. Cloud Colorization
Cloud Services
- Must upload photos to a server
- $1–3 per image
- One image at a time, slow processing
- Generic results, limited historical accuracy
- Your family photos on third-party servers
Contenta Desktop
- Your own Google Gemini account, not a photo service's servers
- $129 one-time — unlimited images
- Batch colorize an entire album at once
- Google Gemini AI for accurate, natural colors
- Combine with restoration in the same batch
Who Uses AI Colorization?
Family History & Genealogy
See your grandparents wedding photos, WWII-era portraits, and childhood snapshots in vivid color for the first time.
Historical Archives
Bring historical photo collections to life. Make archival images more engaging and accessible to modern audiences.
Education & Research
Help students connect with history. Colorized photos make historical events feel immediate and real.
Publishing & Media
Add color to B&W editorial images, book illustrations, and documentary footage stills for more impactful visual storytelling.
Per-Image Pricing Adds Up Fast
per image on cloud colorization services
per photo, billed by Google to your own Gemini key. Nothing extra from us.
$129 one-time purchase. Google bills your Gemini key a few cents per photo, so a 200-photo album costs about $8 in API fees.
Before & After
Before Contenta
Upload B&W photos one at a time to cloud services. Pay per image. Wait minutes per photo. Generic color results.
After Contenta
Drop an entire B&W album. AI colorizes every photo with realistic, historically accurate colors. All in one batch on your desktop.
Start Converting Photos Today
Choose the plan that works for you. All plans include every feature.
No subscription trap. Contenta is a one-time purchase — less than 2 months of Lightroom, and it's yours forever.
Frequently Asked Questions
Contenta reads 100+ input formats, including JPEG, PNG, TIFF, WebP, HEIC, AVIF, BMP, GIF, PDF and 30+ camera RAW formats (CR2, NEF, ARW, DNG, RAF, and more), and writes 28 output formats.
There is no limit. Contenta uses multi-core processing to convert thousands of images in minutes. Users regularly process 10,000+ photos in a single batch.
Yes. Contenta supports 30+ RAW formats from Canon, Nikon, Sony, Fuji, Panasonic, Olympus, and more. Full white balance, denoising, and color adjustment controls are built in.
The 30-day trial includes all features. The first 10 images per batch are processed without watermarks. After that, a small watermark is added. Purchase a license to remove all limitations.
No. Contenta Converter is a one-time purchase. You pay once and own it forever, including all future updates. No monthly or yearly fees.
What Our Users Say
“I have been using Contenta Converter for years and it has saved me countless hours of work. Highly recommended!”
“Simple, fast, and does exactly what it promises. The batch processing is incredibly efficient.”
“Best image converter I have found. The RAW support and metadata handling are top-notch.”
Free trial, then $129 once. No monthly fees.
Published by ContentaSoft, Umea, Sweden — developer of Contenta Converter PREMIUM.
Contenta Converter PREMIUM is a desktop application for Windows that batch converts, resizes, renames, watermarks, and processes images in 100+ formats including JPEG, PNG, WebP, HEIC, TIFF, RAW, and PDF.
This software contains no adware, spyware, toolbars, or bundled third-party programs. The installer installs only Contenta Converter PREMIUM.
Conversion, resizing, watermarking and metadata editing run on your computer. The optional AI features (background removal, photo restoration, colorize) send the images you process with them to Google Gemini using your own API key. The software does not collect personal data.
Free 30-day trial with full functionality. After the trial, a license key is required. Lifetime license: $129 (one-time payment, no subscription).
How to Uninstall
Open Windows Settings > Apps > Installed apps, find 'Contenta Converter PREMIUM' in the list, and click Uninstall. You can also run the uninstaller from the installation folder or use Control Panel > Programs and Features.
Download size: ~2 MB (web installer). Additional components are downloaded during installation (~300 MB total).