No AI API โข Free browser tools
Good day, Adewale Samson Adeagbo
A complete Power BI-style simulator for classroom demonstrations, portfolio showcases and offline BI practice.
AA
Adewale Samson Adeagbo
Data Scientist โข STEM Educator โข AI-Augmented Solutions Developer โข Founder, HMG Concepts
15+ years in Nigerian classrooms, B.Sc.(Ed) Computer Science Education LASU 2023, founder of HMG Concepts/HMG Academy/HMG Technologies, builder of CBT Pro and 12 deployed ML & EdTech projects. Contacts: +234 810 086 6322, +234 907 790 7677 โข [email protected] โข [email protected]
Revenue TrendSVG chart
Feature Mapclick a card
Recent Data Preview
Import a file or load sample data to begin.
Data View
Your datasets
Import CSV, TSV, JSON and XLSX (free SheetJS CDN when online). Data stays inside the browser and can be backed up as JSON.
Loaded datasets 0
Dataset preview
Select a dataset.
Data Quality Auditor
Run an audit to see missing values, duplicate rows and type warnings.
Power Query Editor
Statistical engine
Column profiling: count, nulls, unique, min, max, mean, median, mode, standard deviation, variance, Q1, Q3, IQR, coefficient of variation and outliers.
Select a dataset to compute statistics.
Pivot Table Matrix
Pivot builder
Summarise datasets by row and column dimensions using sum, average, count, min, max and count distinct aggregations.
Select fields and click Build.
Themes & Formatting
Chart theme editor
Use free in-browser styling: palettes, chart backgrounds, light/dark mode and exportable theme JSON.
Presets
Live chart preview
Model View
Data join engine
Combine two datasets with inner, left, right or full outer joins. Save the result as a new dataset.
SELECT * FROM left INNER JOIN right ON left.key = right.key
Choose two datasets and keys.
DAX-style Measures
Calculated fields
Create derived columns with Math expressions. It is not a paid AI service; it is local JavaScript/math processing.
Formula setup
Result
Evaluation output appears here.
Report Scheduler
In-browser schedule simulator
Auto-export reminders and downloads while the browser tab is open. No paid email API; it creates email drafts and files locally.
Configure schedule
Active schedules
No schedules active.
Heatmap Calendar
Activity calendar
GitHub-style date heatmap from any date column and optional value column.
Calendar
KPI Goal Tracker
Targets and progress
Create local KPI goals, update progress and show ring gauges. Stored in the browser backup.
Time Intelligence Compare
Snapshot comparison
Compare two periods using a date/period column and a numeric metric. Generates delta cards and percentage change.
Rule-based Insight Studio
Insights without AI API
A deterministic rules engine checks trends, quality, high-cardinality fields and top categories. No OpenAI, Gemini, Claude or paid model endpoint is used.
Load data, then generate rule-based insights.
Power BI Service Replica
Enterprise workspaces
Create workspaces, organise reports, simulate members, sensitivity labels, endorsements and app readiness without paid Power BI capacity.
Adewale Samson Adeagbo Enterprise Tenant
HMG Concepts ยท HMG Academy ยท HMG Technologies ยท Lagos/Ogun, Nigeria ยท No AI API ยท Free static browser implementation.
HMG Concepts ยท HMG Academy ยท HMG Technologies ยท Lagos/Ogun, Nigeria ยท No AI API ยท Free static browser implementation.
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Enterprise Semantic Layer
Model relationships
Auto-discover matching columns, simulate relationship cardinality, semantic model objects, measures and certified datasets.
Security
Row-Level Security roles
Create RLS rules such as Region = Lagos, preview matching rows and document security roles for stakeholders.
Governance
Data lineage view
Track data sources through semantic models, reports, dashboards, apps and consumers.
Operations
Refresh & gateway simulator
Configure local refresh schedules, run manual refresh simulations and maintain refresh history without cloud gateway costs.
Application Lifecycle Management
Deployment pipelines
Simulate Development, Test and Production stages, promote report packages and capture release audit entries.
Distribution
Apps, sharing & subscriptions
Simulate publish-to-app, stakeholder access, sensitivity labels, endorsement, subscriptions and export packages.
Tenant Governance
Admin portal & audit logs
Power BI-style tenant settings, governance controls, audit activity, export controls and owner profile.
Monitoring
Metric alerts
Create KPI threshold alerts and evaluate them locally from your datasets. No Power Automate or paid notification service required.
Report Experience
Bookmarks & story mode
Save report canvas states, restore snapshots and create presentation story points.
Responsive Delivery
Mobile report layout
Preview a phone-optimised Power BI mobile layout from existing report widgets.
Documentation
Feature explanations and deployment
Complete system guide for users, teachers and portfolio reviewers.