HTML-Tools

A collection of single-page, client-side HTML tools — no installation, no dependencies, just open in a browser.

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Tools

Power Automate

Tool	Description
Fast Filter	Visual query builder for constructing Power Automate Filter Array expressions without writing code.
Power Automate Expression Tester	Test Power Automate Cloud Flow expressions against action output JSON with real-time evaluation, supporting full @{…} interpolation.
Expression Scratchpad	A lightweight REPL for experimenting with Power Automate expressions, with function reference and history navigation.
simple-select	Visual builder for Power Automate's Select Action — map input fields to an output structure without writing code.
Form Overlay Builder	Upload a PDF screenshot, draw interactive form field overlays over it, and export JSON ready to import into a Power Automate flow.
HTML Table Builder	Interactive designer for Outlook-safe HTML tables in the Send an email action — live preview, themes, and generated Select + join() row templates for dynamic data.

Power Apps / Power Fx

Tool	Description
Power Fx Regex Lab	Test and debug regular expressions using Power Fx syntax (IsMatch, Match, MatchAll) with real-time match highlighting and captured group display.
Power Apps Timeline Viewer	Upload a Power Apps trace JSON file and explore events in an interactive timeline with search, duration metrics, and response size details.
Tidy Types	Paste Power Fx records or tables and convert them into User Defined Type (UDT) syntax with automatic type inference.

SharePoint

Tool	Description
SP HTTP Request Builder	Build copy-ready Send HTTP Request to SharePoint action inputs (Method, Uri, Headers, Body) for list item CRUD and $batch operations, with a visual OData query builder.
OData URI Builder	Visually construct OData query URIs for SharePoint Online — select fields, apply filters, and configure query parameters without memorising OData syntax.
SharePoint List Schema Parser	Step-by-step tool to extract a SharePoint list schema via the REST API and convert the XML response into compact, token-efficient JSON.

General

Tool	Description
RegexLab	Interactive regex tester with real-time match highlighting, a built-in pattern library, and easy copy-to-clipboard.
HTML Form Builder	Drag-and-drop form designer for building responsive HTML forms, with export to HTML or Power Automate Flow JSON.
Easy Color Picker	Upload an image and click to pick and extract colors, with HEX, RGB, and HSL output.

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Resources

Resource	Description
HTML Table Builder User Guide	Step-by-step guide to the HTML Table Builder, including detailed Power Automate Select + Send an email setup.
Regex Recipe Book	A curated collection of regex patterns for common Power Automate use cases.
Dark Theme Accessibility Style Guide	Accessibility-focused colour and contrast guidelines for dark-themed UIs.
Canvas App YAML Patterns	Common YAML patterns for building Power Apps Canvas Apps.