Convert and process thousands of images from the command line — no clicking, fully scriptable
Convert, resize and watermark thousands of photos from your terminal or CI/CD pipeline.
Same engine as the desktop app. 60+ input formats. 20+ output formats. Built-in MCP server for AI agent integration.
Download Free — 30-Day Trial, No Credit Card$129 one-time. No subscription. CLI included with every license.
Try Free for 30 Days - No Credit Card Required
Quick Start
Install
Download Contenta Converter PREMIUM — CLI is included
Run
contenta convert photo.cr2 -f jpg -q 92
Automate
Script it, schedule it, or connect an AI agent via MCP
CLI Commands
| Command | What It Does |
|---|---|
| contenta convert | Convert a single image with format, quality, resize, effects, watermark, metadata |
| contenta batch | Batch convert a directory with parallel workers, glob patterns, and recursive search |
| contenta info | Detect format and read EXIF, IPTC, XMP metadata |
| contenta effects | List all 27+ image effects with parameters |
| contenta formats | List 60+ input and 20+ output formats |
| contenta pdf-album | Create PDF photo albums with configurable layout |
| contenta slideshow | Create video slideshows for TikTok, YouTube, Instagram, and more |
| contenta ai-transform | AI image editing via Google Gemini (remove background, enhance, etc.) |
| contenta watch | Watch a folder and auto-convert new or changed images |
| contenta profile | Save, load, or validate conversion profiles (JSON) |
| contenta register | Register your license key |
| contenta status | Show license, trial info, and tool availability |
| contenta serve | Start the MCP server for AI agent integration |
Examples
contenta convert photo.cr2 -f jpg -q 92
# Batch convert + resize + watermark
contenta batch ./photos -f webp --resize 1920x1080 --watermark "© 2026"
# Watch a folder for new files
contenta watch ./incoming -f png -q 95 -o ./converted
# JSON output for scripting
contenta info photo.jpg --json
MCP Server — AI Agent Integration
Run contenta serve to start a Model Context Protocol server on stdio. Connect Claude, GPT, or any MCP-compatible AI agent to convert, analyze, and process images autonomously.
| MCP Tool | Description |
|---|---|
| convert_image | Convert a single image with full option set |
| batch_convert | Convert multiple images at once |
| detect_format | Classify image format (RAW, HEIC, PSD, etc.) |
| read_metadata | Extract EXIF, IPTC, and XMP metadata |
| list_effects | List available effects with parameters |
| create_pdf_album | Create multi-image PDF albums |
| create_slideshow | Create video slideshows (MP4/WebM) |
| ai_transform | AI background removal and image editing |
| write_metadata | Write EXIF, IPTC, and XMP metadata |
MCP server requires a registered license. Get a license →
Claude Code Agent Skills
Install the image processing skill to let Claude Code use your CLI directly. Describe what you want in plain English — Claude knows every command, 60+ formats, and every option.
claude skill install github:brunojanvier77/ContentaSoft/skills/contenta-image-processing
Once installed, ask Claude: "Convert all RAW photos in D:\Photos to WebP at quality 85 with 1920px max width"
Full CLI & MCP documentation and installable Claude Code skills live in the public GitHub repository: github.com/brunojanvier77/ContentaSoft →
Built for Automation
--json
Machine-readable JSON output for scripts and pipelines
--quiet
Errors only — perfect for cron jobs and CI/CD
Exit Codes
Standard exit codes (0-6) for reliable error handling
Licensing
| Feature | Trial | Registered ($129) |
|---|---|---|
| convert, batch, info, effects, formats | Full (watermark after 10 images) | Full |
| pdf-album, watch | Full (watermark after 10 images) | Full |
MCP Server (contenta serve) | Full (watermark after 10 images) | Full |
| register, status, profile | Full | Full |
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 and writes 60+ formats including JPEG, PNG, TIFF, WebP, HEIC, AVIF, BMP, GIF, PDF, and 25+ camera RAW formats (CR2, NEF, ARW, DNG, RAF, and more).
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 25+ 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 every feature. The first 10 images you convert are saved without a watermark. That allowance is counted once across the whole trial, not per batch, so conversions after it carry a small watermark. A license removes it.
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.”
Windows. $129 one-time. CLI included. 30-day free trial.
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 60+ 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).