Workflow Blocks

Anthropic Claude

You can call the Anthropic's Claude API from a Workflow.

Barcode Detection

Detect and read barcodes in an image.

Clip Comparison

Compare CLIP image and text embeddings.

CLIP Embedding Model

Generate an embedding of an image or string.

CogVLM

DEPRECATED! Run a self-hosted vision language model.

Cosmos 3

Reason about physical scenes with NVIDIA Cosmos 3.

Depth Estimation

Run Depth Estimation on an image.

EasyOCR

Extract text from an image using EasyOCR optical...

Florence-2 Model

Run Florence-2 on an image

Gaze Detection

Detect faces and estimate gaze direction (deprecated).

GLM-OCR

Run GLM-OCR on an image to recognize text.

Google Gemini

Run Google's Gemini model with vision capabilities.

Google Gemma

Run Google's Gemma model with vision capabilities...

Google Gemma API

Run Google's Gemma model with vision capabilities...

Google Vision OCR

Detect text in images using Google Vision API

Instance Segmentation Model

Predict the shape, size, and location of objects.

Keypoint Detection Model

Predict skeletons on objects.

Llama 3.2 Vision

Run Llama 3.2 Vision via OpenRouter.

LMM

Run a large multimodal model such as ChatGPT-4v.

LMM For Classification

Run a large multimodal model such as ChatGPT-4v for...

Moondream2

Run Moondream2 on an image.

MoonshotAI Kimi

Run Moonshot AI Kimi vision-language models via...

Multi-Label Classification Model

Apply multiple tags to an image.

Object Detection Model

Run an object detection model in a Workflow.

OCR Model

Extract text from an image using DocTR optical...

OpenAI

Run OpenAI's GPT models with vision capabilities.

OpenAI-Compatible LLM

Send prompts to any OpenAI-compatible API endpoint.

OpenRouter

Run any OpenRouter model by pasting its model slug.

Perception Encoder Embedding Model

Generate an embedding of an image or string.

PP-OCR

Extract text from an image using PP-OCR (PaddleOCR)...

QR Code Detection

Detect and read QR codes in an image.

Qwen 3.5 API

Run Qwen 3.5 vision-language models via OpenRouter.

Qwen 3.6 API

Run Qwen 3.6 vision-language models via OpenRouter.

Qwen-VL

Run any Qwen vision model - natively or via OpenRouter.

Qwen2.5-VL

Run Qwen2.5-VL on an image.

Qwen3-VL

Run Qwen3-VL on an image.

Qwen3.5

Run Qwen3.5 on an image.

Qwen3.5-VL

Run Qwen3.5-VL on an image.

Roboflow Visual Search Classifier

Classify an image by finding the most visually...

SAM 3

Run SAM3 with text prompts for zero-shot segmentation.

SAM 3 Interactive

Segment a specific object with SAM3 using point...

Seg Preview

Seg Preview

Segment Anything 2 Model

Convert bounding boxes to polygons, or run SAM2 on...

Semantic Segmentation Model

Assign a class label to every pixel in the image.

Single-Label Classification Model

Run a single-label classification model in a Workflow.

SmolVLM2

Run SmolVLM2 on an image.

Stability AI Image Generation

Generate new images from text, or create variations...

Stability AI Inpainting

Use segmentation masks to inpaint objects within an...

Stability AI Outpainting

Use object detection bounding box to crop the image...

YOLO-World Model

Run a zero-shot object detection model.

Background Color Visualization

Draw a colour in regions not detected by a model.

Blur Visualization

Blur detected objects in an image.

Bounding Box Visualization

Show bounding boxes from model predictions on an image.

Circle Visualization

Draw a circle around a detected region in an image.

Classification Label Visualization

Add a classification label to an image.

Color Visualization

Paint a solid color on detected objects in an image.

Corner Visualization

Draw the corners of detected objects in an image.

Crop Visualization

Crops detected regions from an image and enlarges...

Dot Visualization

Draw dots on an image at specific coordinates based...

Ellipse Visualization

Draw ellipses that highlight detected objects in an...

Grid Visualization

Shows an array of images in a grid.

Halo Visualization

Paint a halo around detected objects in an image.

Heatmap Visualization

Draw a heatmap based on detections in an image.

Icon Visualization

Draw icons on an image either at specific static...

Keypoint Visualization

Draw keypoints on detected objects in an image.

Label Visualization

Show labels from a model on an image.

Line Counter Visualization

Apply a mask over a line zone in an image.

Mask Visualization

Apply a mask over detected objects in an image.

Model Comparison Visualization

Visualize the difference between two models' detections.

Pixelate Visualization

Pixelate detected objects in an image.

Polygon Visualization

Draw a polygon around detected objects in an image.

Polygon Zone Visualization

Apply a mask over a polygon zone in an image.

Reference Path Visualization

Draw a reference path in the image.

Text Display

Display customizable text on an image with styling...

Trace Visualization

Draw traces based on detections tracking results.

Triangle Visualization

Draw triangle markers on an image at specific...

Continue If

Conditionally stop execution of a branch.

Delta Filter

Allow the execution of workflow to proceed if the...

Detections Consensus

Combine predictions from multiple detections models...

Detections Filter

Conditionally filter out model predictions.

Inner Workflow

Run a nested workflow definition with parameters...

Overlap Filter

Filter objects overlapping some other class

Per-Class Confidence Filter

Filter detections by applying a per-class confidence...

Rate Limiter

Limits the rate at which a branch of the Workflow...

Switch Case

Route execution to one of several branches based on...

CSV Formatter

Create CSV files with specified columns.

Data Aggregator

Aggregate workflow data to produce time-based...

Local File Sink

Save data to a local file.

Roboflow Asset Library Attributes

Update attributes and tags for Asset Library images.

Roboflow Dataset Upload

Save images and predictions to your Roboflow Dataset.

Roboflow Vision Events

Send vision events to the Roboflow Vision Events API.

S3 Sink

Upload data to an AWS S3 bucket.

Webhook Sink

Send a request to a remote API with Workflow results.

Write Vision Event Bundle

Write vision events as self-contained tarball...

Email Notification

Send notification via e-mail.

Slack Notification

Send notification via Slack.

Twilio SMS Notification

Send notification via Twilio SMS service.

Twilio SMS/MMS Notification

Send SMS/MMS notifications via Twilio.

Absolute Static Crop

Crop an image using fixed pixel coordinates.

Bounding Rectangle

Find the minimal bounding box surrounding the...

Camera Calibration

Remove camera lens distortions from an image using a...

Detection Offset

Add padding around detected regions.

Detections Combine

Combines two sets of predictions into a single...

Detections Merge

Merge multiple detections into a single bounding box.

Detections Transformation

Apply transformations on detected bounding boxes.

Dynamic Crop

Crop an image using bounding boxes from a detection...

GeoTag Detection

Project detections from pixel coordinates to...

QR Code Generator

Generate a QR code image from text input.

Relative Static Crop

Crop an image proportional (%) to its dimensions.

Stitch Images

Stitch two images by common parts.

Auto Rotate on Edges

Automatically rotate an image so its dominant...

Camera Focus

Calculate a score to indicate how well-focused a...

Contrast Enhancement

Enhance image contrast by normalizing the histogram...

Contrast Equalization

Apply contrast equalization to an image.

Distance Measurement

Calculate the distance between two bounding boxes on...

Dominant Color

Get the dominant color of an image in RGB format.

Image Blur

Apply a blur to an image.

Image Contours

Find and count the contours on an image.

Image Convert Grayscale

Convert an RGB image to grayscale.

Image Preprocessing

Resize, flip, or rotate an image.

Image Threshold

Apply a threshold to an image.

Mask Area Measurement

Measure the area of detected objects and optionally...

Mask Edge Snap

Refine instance segmentation masks by snapping edges...

Morphological Transformation

Apply morphological transformation to color images.

Nearest Neighbor Detection Match

Find the closest target detection for each query...

Pixel Color Count

Count the number of pixels that match a specific...

SIFT

Apply SIFT to an image.

SIFT Comparison

Compare SIFT descriptors from multiple images.

Size Measurement

Measure the dimensions of objects in relation to a...

Template Matching

Locate instances of a given template within a...

Background Subtraction

Subtract an image from its background history.

BoT-SORT Tracker

ByteTrack-style association with optional camera...

Buffer

Returns an array of the last length values passed to it.

Byte Tracker

Track and update object positions across video...

ByteTrack Tracker

Tracks objects across frames. Best for most scenes.

Detections Stabilizer

Apply a smoothing algorithm to reduce noise and...

Frame Delay

Reference a value from an earlier frame of the same...

Identify Changes

Identify changes compared to prior data via embeddings.

Identify Outliers

Identify outlier embeddings compared to prior data.

Image Stack

Accumulate compressed video frames into a fixed-size...

Line Counter

Count detections passing a line.

Motion Detection

Detect motion in a video using OpenCV.

OC-SORT Tracker

Tracks objects through occlusion and unpredictable...

Path Deviation

Calculate Fréchet distance of object from the...

PTZ Tracking (ONVIF)

Control an ONVIF compatible PTZ camera to follow an...

SAM2 Video Tracker

Segment and track objects across video frames with...

SAM3 Video Tracker

Segment and track objects across video frames from...

SORT Tracker

Fast, lightweight object tracking. Works best when...

Time in Zone

Track object time in zone.

Track Class Lock

Lock the class of each tracked object by majority...

Velocity

Calculate the velocity and speed of tracked objects...

Cache Get

Fetches a previously stored value from a cache entry.

Cache Set

Stores a value in a cache entry for later retrieval.

Cosine Similarity

Calculate the cosine similarity between two embeddings.

Current Time

Output the current date and time for a given timezone.

Detection Event Log

Tracks detection events over time, logging when...

Detections Classes Replacement

Replace classes of detections with classes predicted...

Detections Difference

Match detections across before/after images and...

Detections List Roll-Up

Roll up multiple levels of dimensionality back to a...

Detections Stitch

Merges detections made against multiple pieces of...

Dimension Collapse

Collapse dimensionality by aggregating nested data...

Dynamic Zone

Simplify polygons so they are geometrically convex...

Environment Secrets Store

Fetch secrets from environmental variables.

Expression

Create a specific output based on defined input...

First Non Empty Or Default

Take the first non-empty data element or the...

Image Slicer

Tile the input image into a list of smaller images...

JSON Parser

Parse raw string into JSON.

Model Monitoring Inference Aggregator

Periodically report an aggregated sample of...

Overlap Analysis

Compute pairwise overlap between two sets of detections.

Perspective Correction

Adjust detection coordinates from a polygon-defined...

Property Definition

Define a variable from model predictions, such as...

Roboflow Custom Metadata

Add custom metadata to the Roboflow Model Monitoring...

Roboflow Visual Search

Find visually similar image candidates in a Roboflow...

Stitch OCR Detections

Combines OCR detection results into a coherent text...

VLM As Classifier

Parse a raw string into a classification prediction.

VLM As Detector

Parses raw string into object-detection prediction.