Tool creator
HelpMini
Small tools. Big help. Official tools created and maintained by HelpMini.
Tools by this creator
Browse all tools →AI Couple Fashion & Two-Model Photoshoot Prompt Generator
Create precise AI fashion-shoot prompts for couple outfits and two-model ecommerce photography. Control model pairing, interactions, separate outfits, scenes, cameras, and lighting for Midjourney, Flux, SDXL, and Doubao.
Open tool →AI Men's Pants Ecommerce Photoshoot Prompt Generator
Generate detailed AI ecommerce photoshoot prompts for men's jeans, cargo pants, trousers, and casual pants. Control fit, fabric, footwear, pose, lens, scene, and lighting for Midjourney, Flux, SDXL, and Doubao.
Open tool →Asynchronous Meeting Agenda & Presentation Countdown Timer
Full-screen presentation countdown timer with structured meeting agenda tracks. 100% free, client-side, and distraction-free for remote teams.
Open tool →Audio File Converter
Convert audio files between WAV, MP3, and OGG formats online 100% client-side using Web Audio API. Fast, private, and completely free.
Open tool →Base64 & URL Encoder/Decoder
Fast, 100% private online tool to encode and decode Base64 text and URL parameters.
Open tool →Batch Image Format Converter
Free, private, browser-based batch image converter for PNG, JPG, and WebP with resizing, quality controls, individual downloads, and ZIP export.
Open tool →Calendar Event Link Generator
Generate instant 'Add to Calendar' links for Google Calendar, Outlook, Office 365, Yahoo, and downloadable .ics files for Apple Calendar. 100% client-side and free.
Open tool →Certificate of Completion Generator
Generate professional awards and certificates of completion online. Customize recipient names, course titles, dates, and print/export to PDF. 100% free.
Open tool →CIDR & IP Subnet Calculator
Calculate IPv4 CIDR blocks, subnet masks, wildcard masks, network and broadcast addresses, and usable IP address ranges online. 100% free.
Open tool →Color Picker & Palette Harmony Generator
Pick colors and generate harmonious color palettes (Complementary, Triadic, Analogous, Monochromatic) with instant HEX, RGB, and HSL conversions. 100% free.
Open tool →Compound Interest & FIRE Calculator
Project compound growth from an initial balance and monthly contributions, explore an interactive chart, and estimate financial independence using the 4% withdrawal rule.
Open tool →Compound Interest & Investment Return Calculator
Calculate compound interest growth, monthly investment contributions, and inflation-adjusted future wealth. Interactive financial projection tool, 100% free and private.
Open tool →Cron Expression Generator & Schedule Explainer
Build, parse, and translate Cron job expressions into human-readable schedule explanations with next execution time calculations. 100% free and client-side safe.
Open tool →CSS Box Shadow & Border-Radius Visual Editor
Visually design modern multi-layer CSS box shadows and individual corner border-radius curves with real-time preview and instant code copy. 100% free.
Open tool →CSS Gradient & Glassmorphism Code Generator
Design linear, radial CSS gradients and modern translucent glassmorphism card UI effects with real-time preview and instant code copy. 100% free.
Open tool →Currency Exchange Rate Calculator
Instantly convert currencies with real-time exchange rates. Features a built-in offline cache so you can calculate conversions even without an internet connection. 100% privacy-friendly.
Open tool →Decision Matrix & Random Picker Wheel
Make unbiased decisions using a weighted decision matrix or a dynamic random spinner wheel. Interactive canvas wheel animation and score matrix. 100% free.
Open tool →Duplicate Line Remover & Text Alphabetizer
Remove duplicate lines, alphabetize text lists, remove empty lines, and trim whitespace. 100% free and client-side private text cleaning tool.
Open tool →E-commerce Profit Margin & Markup Calculator
Calculate your true net profit, margin %, markup %, and breakeven sale price for Shopify, Amazon, Etsy, and WooCommerce stores.
Open tool →Ecommerce SEO & AI Search Optimizer
Create SEO metadata, Product structured data and machine-readable product summaries.
Open tool →Email Signature HTML Generator
Create responsive, professional HTML email signatures for Gmail, Outlook, and Apple Mail. Custom branding, social links, and live preview with 100% free privacy.
Open tool →Email Subject Line A/B Tester & Spam Trigger Checker
Test and optimize your email subject lines before sending. Detect spam trigger words, preview mobile truncation, compare A/B variants, and improve open rates with 100% client-side privacy.
Open tool →Emoji Picker & Search Directory
Search and copy thousands of Unicode emojis instantly for social media posts, email subject lines, and marketing copy. Free client-side emoji directory.
Open tool →Etsy & Shopify Product Tag & Keyword Extractor
Extract SEO tags and long-tail keywords from product descriptions and competitor titles. Features strict Etsy 20-character tag checking and one-click Shopify CSV/comma output.
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