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Palette

palette.fm

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Spec score 9.0 #4 of 28 in AI Image Enhancers

What it is

Palette colorizes uploaded photos after a user chooses a filter. Its web app offers more than 21 color filters, with descriptions and keywords available to fine-tune colors. Palette supports batch processing, and says a simple script can colorize over 1 million images per day. Its API supports automated and custom prompts, reference images, and up to 120 prompts for one image. The documented image limit is 4K resolution and 10MB per file. A beta Video API handles video-frame colorization in SD, Full-HD, and 4K. Palette documents integrations with iPhone photos, Google Drive, Dropbox, and other photo apps, as well as a Windows desktop application from Covenant that uses its colorization engine. Its API platform has changed to RapidAPI. Uploaded files are processed securely and deleted shortly after results are provided. The terms say users retain ownership of images and videos they create and may use them commercially without restrictions. Palette has a free trial credit and plans costing $49 once or $72 per year.

Spec sheet

What it does
Palette uses AI to turn black-and-white or grayscale photographs into color images.Read 21 Oct 2026 · palette.fm
Purpose
Palette colorizes photos with realistic colors after upload and filter selection.Read 2 Oct 2026 · palette.fm
Integrations
Palette documents Google Drive and Dropbox bulk workflows, iPhone Photos integration, and a Windows desktop application from Covenant using its engine.Read 21 Oct 2026 · docs.palette.fm
Support
Enterprise customers are told they deal directly with Emil Wallner rather than a ticket queue, and data-processing agreements are available on request.Read 21 Oct 2026 · partners.palette.fm
Headquarters
The official footer gives the address Rua do Almada 514, Porto, Portugal.Read 21 Oct 2026 · palette.fm
API platform
Palette says its photo and video APIs have moved to RapidAPI.Read 21 Oct 2026 · docs.palette.fm
Basic workflow
Users upload photos, choose a filter, then download or edit the colorized result with keywords.Read 21 Oct 2026 · palette.fm
Batch uploads
The product supports dragging in multiple photos and processing photo collections together.Read 21 Oct 2026 · palette.fm
Bulk processing
Palette says a simple script can colorize over 1 million images per day.Read 2 Oct 2026 · docs.palette.fm
Bulk scale
Palette claims a simple script can process more than one million images per day.Read 21 Oct 2026 · docs.palette.fm
Color customization
Users can guide colorization with descriptions, keywords, automated prompts, custom prompts, or reference images.Read 21 Oct 2026 · docs.palette.fm
Color filters
The web app offers more than 21 color filters.Read 21 Oct 2026 · palette.fm
Company usage claim
The enterprise page says Palette has colorized 54 million photographs and served 6.6 million families.Read 21 Oct 2026 · partners.palette.fm
Content rights
Terms state that users retain ownership of images and videos created with the service and may use them commercially without restrictions.Read 2 Oct 2026 · palette.fm
Credit model
One consumer credit produces one logo-free high-resolution photo colorization.Read 21 Oct 2026 · palette.fm
Customization
Users can fine-tune colors with descriptions and keywords after selecting a filter.Read 2 Oct 2026 · palette.fm
Data deletion
Uploaded files are securely processed and deleted shortly after results are provided.Read 2 Oct 2026 · palette.fm
Developer examples
The documentation includes Python requests examples for automatic prompts, base64 responses, reference images, and batch processing.Read 21 Oct 2026 · docs.palette.fm
Enterprise API
The enterprise offering provides one endpoint or a customer-run container for photo platforms, archives, and productions.Read 21 Oct 2026 · partners.palette.fm
Enterprise licensing
Enterprise licensing is offered as fixed project pricing, annual pricing with metered usage, or an unlimited-volume platform license.Read 21 Oct 2026 · partners.palette.fm
Enterprise resale restriction
Licenses cover a customer's own products but do not permit reselling Palette colorization as a standalone service.Read 21 Oct 2026 · partners.palette.fm
Founder
Emil Wallner identifies himself on GitHub as Palette's founder and describes himself as a former Google Arts & Culture resident.Read 21 Oct 2026 · github.com
Free-tier restriction
Free previews are unlimited but larger images are resized to 500x500 pixels and carry a Palette watermark.Read 21 Oct 2026 · palette.fm
Homepage rating claim
Palette's homepage claims a 4.9-star rating alongside more than 6.6 million users.Read 21 Oct 2026 · palette.fm
Image API
The image API exposes endpoints for automatic-prompt colorization, base64 output, reference-image colorization, and prompt generation.Read 21 Oct 2026 · docs.palette.fm
Image limits
The documented image limit is 4K resolution and 10MB maximum file size per image.Read 2 Oct 2026 · docs.palette.fm
Image size limit
The developer documentation sets a maximum image file size of 10 MB.Read 21 Oct 2026 · docs.palette.fm
Independent praise: accessibility
Tools for Humans says casual users value the browser workflow, no-install setup, and free or affordable entry point.Read 21 Oct 2026 · toolsforhumans.ai
Independent praise: ease
Aidyr's reviewer found the interface straightforward and suitable for quickly colorizing old photographs without specialist skills.Read 21 Oct 2026 · aidyr.com
Independent praise: realism
101 AI Tools reports that independent users often choose Palette for believable results compared with generic colorizer tools.Read 21 Oct 2026 · 101aitools.com
Limit: damaged scans
Palette's enterprise FAQ says color bleeding, badly damaged scans, small objects with wrong hues, and dark or faded scans can produce weaker results.Read 21 Oct 2026 · partners.palette.fm
Limit: independent evidence
Tools for Humans reports that independent community reviews are scarce and that the homepage's 4.9-star claim lacks a named auditable review pool.Read 21 Oct 2026 · toolsforhumans.ai
Limit: inferred colors
The independent review notes that skin tones, flags, uniforms, and other context-sensitive colors can be wrong because the system predicts rather than recovers original colors.Read 21 Oct 2026 · 101aitools.com
Limit: manual control
101 AI Tools describes the product as a weak fit for full manual hue control and frame-by-frame video grading.Read 21 Oct 2026 · 101aitools.com
Limit: video status
The enterprise FAQ says video colorization is not yet available there and is planned for the future.Read 21 Oct 2026 · partners.palette.fm
Maker legal name
The privacy policy and terms identify the operator as Palette SAS.Read 21 Oct 2026 · palette.fm
Operating history
The enterprise site says Palette has been colorizing since 2017.Read 21 Oct 2026 · partners.palette.fm
Output ownership
The terms state that users retain ownership of generated images and videos and may use them commercially.Read 21 Oct 2026 · palette.fm
Output resolution
Paid image colorization supports output up to 5000 by 5000 pixels, while the API documentation lists SD, Full-HD, and 4K sizes.Read 21 Oct 2026 · palette.fm
Prompt tools
The API supports automated prompts, custom prompts, reference images, and generation of up to 120 prompts for one image.Read 2 Oct 2026 · docs.palette.fm
Rating on Busilearn
0.0 out of 5 from 0 reviewsRead 21 Oct 2026 · busilearn.fr
Security and deletion
The privacy page says uploaded files are securely processed and deleted shortly after results are delivered.Read 21 Oct 2026 · palette.fm
Self-hosting
Enterprise customers can run Palette on their own hardware, including a container and API-key workflow that keeps photographs inside their network.Read 21 Oct 2026 · partners.palette.fm
Subscription behavior
Subscription credits refresh automatically and unused credits can roll over up to five times the monthly plan amount while the subscription remains active.Read 21 Oct 2026 · palette.fm
Supported formats
The documentation lists dozens of formats including JPEG, PNG, TIFF, PSD, WebP, AVIF, HEIC, GIF, and BMP.Read 21 Oct 2026 · docs.palette.fm
Training use
Palette's enterprise FAQ says customer photographs are never used to train its models.Read 21 Oct 2026 · partners.palette.fm
Video API
The video API supports SD, Full-HD, and 4K frame colorization and is described as beta in the feature documentation.Read 21 Oct 2026 · docs.palette.fm
Windows integration
Palette documents a Windows desktop application from Covenant that uses the Palette Colorization engine.Read 2 Oct 2026 · docs.palette.fm

Plans and prices

Try it for free Free 1 free full-resolution credit · unlimited previews · 500x500 preview maximum · watermark · 21+ filters Read 21 Oct 2026 · palette.fm
Pay once $49, paid once 75 credits · up to 5000x5000 pixels · credits valid 2 years · limited ads Read 21 Oct 2026 · palette.fm
Subscribe $72 a year annual 480 credits/year · up to 5000x5000 pixels · watermark-free · no ads · up to 10x faster · rollover up to five monthly amounts Read 21 Oct 2026 · palette.fm

Every Palette plan and price →

Strong points and limits

Strong points

  • More than 21 web-app color filters.
  • Batch processing is supported.
  • API accepts reference images and custom prompts.
  • Supports SD, Full-HD, and 4K video frames.
  • Users retain ownership and commercial-use rights.

Limits

  • Images are limited to 4K and 10MB each.
  • Video API is labeled beta.
  • Free previews are resized to 500x500px and watermarked.
  • Annual subscription costs $72 per year.

Who it suits

Palette suits people who want to colorize photos with filter and prompt controls, or process images in batches. Its API and beta Video API may suit workflows that need image or video-frame colorization.

Verdict

Palette offers several ways to guide photo colorization, alongside batch processing and API access. Note the image limits, and that video-frame colorization is still labeled beta.

Where Specifiction places it

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