ChatGPT Plugin

HelpTester

Hardware & developer tests

Brand: HelpTester

Category: Developer Tools
Primary Subcategory: In-Chat Micro Widgets & Utilities

Integration details

Description

HelpTester brings its browser-based hardware tests and developer tools into ChatGPT. Interactive hardware tests that run directly in the chat: - Keyboard Tester: on-screen keyboard that lights up every key you press, finds dead, stuck or ghosting keys - Mouse Polling Rate Tester: measures your mouse's polling rate in Hz - Gamepad / Controller Tester: buttons, triggers, sticks and vibration (experimental inside ChatGPT) - Microphone Tester: live level meter, device selection, test recording (asks for microphone permission) - MIDI Device Tester: shows incoming notes from MIDI keyboards and controllers (Chrome/Edge) - Touchscreen Tester: draw, precision, multitouch, gesture and latency tests - Speaker Tester: left/right channel, frequency sweep and test tones Network checks: - IP Address & Network Check: your public IP, country, city, ISP plus latency and connectivity tests - Internet Speed Test: download, upload, ping and jitter Developer tools: - JSON Formatter & Validator - Base64 Encoder / Decoder - QR Code Generator (text, URL, email, phone, Wi-Fi, vCard) - DNS Checker (A, AAAA, MX, TXT, NS, CNAME, SOA) - AI Unicode Remover (strips invisible characters from AI-generated text) Tests that need the full browser (webcam, dead pixel, CPU/GPU stress test, favicon checker/generator, tag checker, song key finder) open on helptester.com. All tests use standard browser APIs and run client-side. No AI is used for the tests themselves, nothing is recorded or uploaded unless you explicitly save a result.

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Developer Tools
Primary Subcategory: In-Chat Micro Widgets & Utilities
Secondary Subcategories: None listed
Brand: HelpTester
Access: No account required
First tracked: 2026-10-17
Tool count: 15
Market: US

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Primary Subcategory

Competing in ChatGPT In-Chat Micro Widgets & Utilities

View Category

Listed in alphabetical order

Primary Subcategory

0-100 WiFi Internet Speed TestComing soonGet notified

1-2-3-ListComing soonGet notified

2+2 CalculatorComing soonGet notified

24/7 CalendarComing soonGet notified

3-2-1 Go StopwatchComing soonGet notified

HelpTesterComing soonGet notified

Tools

15 tools agents can invoke

Removes invisible Unicode characters (zero-width spaces, soft hyphens, BOM, non-breaking spaces) from pasted text and shows what was found. Renders the interactive HelpTester AI Unicode Remover inside ChatGPT. Full version: https://helptester.com/ai-unicode-remover/
unicode_remover
Encodes text to Base64 or decodes Base64 to text, including image-to-Base64 conversion. Optionally pre-filled by the assistant. Renders the interactive HelpTester Base64 Encoder / Decoder inside ChatGPT. Full version: https://helptester.com/base64-encoder-decoder/
base64_tool
Looks up DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) for a domain using DNS-over-HTTPS from the user's browser. Renders the interactive HelpTester DNS Checker inside ChatGPT. Full version: https://helptester.com/dns-checker/
dns_checker
Live visualisation of a connected game controller: buttons, triggers, analog sticks and vibration test. The user has to press a button on the controller first. Renders the interactive HelpTester Gamepad / Controller Tester inside ChatGPT. Experimental inside ChatGPT: if the controller is not detected, use the website link. Full version: https://helptester.com/gamepad-tester-controller/
gamepad_test
Returns the helptester.com link and a short description for a HelpTester tool that is not available inside ChatGPT: Webcam Tester, Dead Pixel Tester, CPU/GPU Stress Test, Internet Speed Test, Favicon Checker, Favicon Generator, Tag & Pixel Checker, Song Key Finder. It does not run the test itself and does not open a browser; the user opens the returned link. Use it when the user asks for one of these tools.
get_helptester_link
Shows the user's public IP address, country, city and ISP, and runs latency and DNS-resolution checks against Google, Cloudflare, Amazon and Facebook. All requests run from the user's browser, so the result is the user's own connection. Renders the interactive HelpTester IP Address & Network Check inside ChatGPT. Full version: https://helptester.com/myipaddress/
ip_test
Formats, minifies and validates JSON with a tree view and error messages. Optionally pre-filled with JSON passed by the assistant. Renders the interactive HelpTester JSON Formatter & Validator inside ChatGPT. Full version: https://helptester.com/json-formatter/
json_formatter
Interactive on-screen keyboard: every key the user presses on the physical keyboard lights up, and a counter shows tested keys and key presses. Keys that never light up point to dead, stuck or ghosting keys. Renders the interactive HelpTester Keyboard Tester inside ChatGPT. Full version: https://helptester.com/keyboard-test-online/
keyboard_test
Returns the list of all HelpTester hardware tests, network checks and developer tools, split into the ones that run as widgets inside ChatGPT and the ones that are only available on helptester.com, with their links.
list_helptester_tools
Detects connected MIDI keyboards/controllers via Web MIDI, shows incoming notes and messages in real time and can send test notes. Works in Chrome/Edge; Safari does not support Web MIDI. Renders the interactive HelpTester MIDI Device Tester inside ChatGPT. Requires MIDI permission (Chrome/Edge only). Full version: https://helptester.com/midi-test-online/
midi_test
Tests the user's microphone: live waveform/level meter, device selection, noise/echo/clarity checks and a short test recording with playback. Requires microphone permission. Renders the interactive HelpTester Microphone Tester inside ChatGPT. Requires microphone permission (browser prompt). Full version: https://helptester.com/microphon-test-online/
mic_test
Measures the polling rate (Hz) of the user's mouse by sampling mousemove events over a test area and charting the result. Renders the interactive HelpTester Mouse Polling Rate Tester inside ChatGPT. Full version: https://helptester.com/mouse-test-online/
mouse_test
Generates a QR code (text, URL, email, phone, Wi-Fi, vCard) rendered client-side. Optionally pre-filled with text or a URL passed by the assistant. Renders the interactive HelpTester QR Code Generator inside ChatGPT. Full version: https://helptester.com/qr-generator/
qr_generator
Left/right channel test, frequency sweep and test tones generated with the Web Audio API. No permission needed; the user must click to start sound. Renders the interactive HelpTester Speaker Tester inside ChatGPT. Full version: https://helptester.com/speaker-test-online/
speaker_test
Touchscreen test with drawing canvas, precision targets, multitouch counter, gesture and latency tests. Best used on a phone or tablet in fullscreen. Renders the interactive HelpTester Touchscreen Tester inside ChatGPT. Full version: https://helptester.com/touchscreen-test/
touchscreen_test

FAQs

HelpTester ChatGPT Plugin FAQ

How the directory, categories and Discoverability Score work.

Read the methodology

How do I improve HelpTester's ChatGPT Plugin discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are HelpTester alternatives on ChatGPT?

As of 2026-11-02, HelpTester competes with 0-100 WiFi Internet Speed Test, 1-2-3-List, 2+2 Calculator, 24/7 Calendar, 3-2-1 Go Stopwatch, 30 Minute Timer, 99Tables, A-Z Links and 78 more in ChatGPT In-Chat Micro Widgets & Utilities, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.