Toolhand
One person, one domain, and a pile of tools that actually work. Everything runs locally in your browser — nothing is ever uploaded.
What you can buy
17These are paid. Every tool above stays free forever, no signup.
- After paying, send the PayPal transaction ID to 3426795872@qq.com
- I check it and email your download link within 12 hours (usually much sooner)
- Free updates for life, sent straight to the email you used
Payments go through PayPal. Cards are accepted, so you do not need a PayPal account.
Refunds:Digital products cannot be returned once delivered, so downloads are non-refundable. If a file is broken or simply not what you expected, tell me and I will fix it or swap it for another one.
Chrome Extensions
4One click turns a page body into clean Markdown — ads, nav and comments stripped out
- Finds the article body and drops nav, sidebars, ads and comments
- Keeps headings, code blocks, tables, lists and images
- Images: keep links, embed, or drop them
- Edit the preview before copying or downloading the .md
- Runs fully locally — no network, no upload
微信
支付宝Scan to pay ¥65, then send the screenshot + "Save Any Page as Markdown" to 3426795872@qq.com for delivery.
Lists every image and link on a page, filter by size and format, download in bulk
- Collects img, srcset, picture and CSS background images
- Defeats lazy loading to get real image URLs
- Filter by minimum width, format or domain
- Splits internal vs external links and flags nofollow
- Select what you need, then download or copy the list
微信支付宝Scan to pay ¥65, then send the screenshot + "Bulk Image & Link Extractor" to 3426795872@qq.com for delivery.
Dark mode for any site, three strengths plus brightness and contrast, remembered per site
- Three strengths: soft, standard, strong
- Photos and video keep their real colors
- Remembered per site, with a whitelist
- Changes apply instantly, no reload
- Reads nothing from the page
微信支付宝Scan to pay ¥65, then send the screenshot + "Force Dark Mode" to 3426795872@qq.com for delivery.
Save playback speed, volume and subtitle language per video site — applied automatically next time
- Speed, volume, mute and subtitle language stored per site
- Also remembers manual changes to the player
- Shortcuts: Alt+] faster, Alt+[ slower, Alt+\ reset to 1x
- Works with players injected later
- No watch history, no network requests
微信支付宝Scan to pay ¥65, then send the screenshot + "Video Settings Memory" to 3426795872@qq.com for delivery.
Developer Tools
3Full Manifest V3 skeleton: message bus, storage wrapper, options page, i18n, one-click packaging
- Standard MV3 layout — clone it, tweak it, ship it
- Message bus and storage wrapper keep popup and background in sync
- Bilingual i18n skeleton plus a zero-dependency ZIP script
- Includes a store submission checklist and privacy policy template
- Free updates for life
微信支付宝Scan to pay ¥137, then send the screenshot + "Chrome Extension Boilerplate" to 3426795872@qq.com for delivery.
Fill a form, preview live, export a README ready for GitHub
- Six badge types generated automatically
- Config options turned into Markdown tables
- Edit left, render right — spot formatting errors immediately
- Single HTML file, double-click to open, works offline
- Ships with a filled-in example to copy from
微信支付宝Scan to pay ¥65, then send the screenshot + "README Generator" to 3426795872@qq.com for delivery.
Pick your stack, generate .gitignore, .editorconfig, prettier, eslint and .npmrc
- Mix 14 tech stacks, merged automatically
- ESLint 9 flat config, not the legacy .eslintrc
- Change indent once — editorconfig and prettier follow
- Download files individually or all at once
- Single HTML file, double-click to open
微信支付宝Scan to pay ¥65, then send the screenshot + "Config File Generator" to 3426795872@qq.com for delivery.
Content Packs
4Write code, review it, fix bugs, test, document, refactor, explain, design
- 200 prompts in 8 categories, 25 each, numbered 001-200
- Each has a use case, a copyable template and a real example
- Variables marked with {{ }} so you see exactly what to fill
- Ships with a machine-readable prompts.json
- Free updates for life
微信支付宝Scan to pay ¥137, then send the screenshot + "200 Developer Prompts" to 3426795872@qq.com for delivery.
Six steps that end with a priced product and a distribution channel — not just "understanding"
- Niche, product, MVP, pricing, cold start, repeat buyers — all hands-on
- Every step has a checklist and a concrete deliverable
- Three fillable worksheets: niche validation, pricing, channels
- Real numbers: 63% of sellers earn under $50, 4-5 products sell 6x apart
- Free updates for life
微信支付宝Scan to pay ¥137, then send the screenshot + "Zero to First Dollar" to 3426795872@qq.com for delivery.
From resume to salary talk — copyable prompts for all six stages
- Resume review, JD matching, mock interview, intro, negotiation, follow-up
- Each stage has an input template and a sample output
- Resume review must return the rewritten sentence, not vague advice
- Mock interviews for backend, frontend and data roles
- Negotiation covers opening, target and walk-away numbers
微信支付宝Scan to pay ¥65, then send the screenshot + "Job Hunt Workflow" to 3426795872@qq.com for delivery.
Six support scenarios, 72 replies you can send after changing two words, each tone-tagged
- Pre-sale, payment chase, returns, shipping issues, escalations, bad reviews
- 12 replies each, tagged soft / standard / firm
- Firm ones set boundaries without being hostile
- Variables marked with {{ }} — change two words and send
- Three ground rules: acknowledge first, give a time, offer one option
微信支付宝Scan to pay ¥137, then send the screenshot + "72 Support Reply Templates" to 3426795872@qq.com for delivery.
Templates
4From registering a company to receiving your first foreign payment, in six stages
- Entity, bank account, payment rails, tax, site compliance, rejection handling
- Each stage lists documents, where to go, time and cost
- Includes a printable master checklist
- Covers rejections: bank refused, account frozen
- Free updates for life
微信支付宝Scan to pay ¥137, then send the screenshot + "Going Global Checklist" to 3426795872@qq.com for delivery.
Six documents for freelancing, each marking what you must change and what happens if you don't
- Service contract, NDA, quote, delivery note, acceptance, payment demand
- Every must-edit clause marked with the consequence of skipping it
- Service contract deems silence as acceptance to stop late payments
- Acceptance form treats "conditional pass" as passed, final payment due
- Three escalating demand letters, each building a paper trail
微信支付宝Scan to pay ¥137, then send the screenshot + "Contract & Quote Templates" to 3426795872@qq.com for delivery.
30-day schedule, topic bank and review templates — paste straight into Notion
- Schedule includes an asset-status column so blockers are obvious
- Topic bank with 8 evergreen angles for when ideas run dry
- Weekly and monthly reviews, each with fixed questions
- Explains why asset-status and platform columns exist
- Markdown tables that paste into Notion, Feishu or Excel
微信支付宝Scan to pay ¥65, then send the screenshot + "Content Calendar" to 3426795872@qq.com for delivery.
One check-in sheet plus weekly and monthly reports — see where your time goes in 14 days
- Track only 3 habits — more than that and you will quit
- Record actual minutes, not checkmarks — checkmarks lie
- Includes a "phoned it in" status to stop self-deception
- Weekly and monthly reports with plain-text trend charts
- Ships with 14 days already filled in as an example
微信支付宝Scan to pay ¥65, then send the screenshot + "Time & Habit Tracker" to 3426795872@qq.com for delivery.
Bundles
2Image extractor + force dark + video memory, all at once
- Three Chrome extensions, full source included
- Install and use — no coding needed
- Save $12, 44% cheaper than buying separately
- Free updates for life
微信支付宝Scan to pay ¥108, then send the screenshot + "Browser Productivity Trio" to 3426795872@qq.com for delivery.
Everything available now, plus everything I build later, free
- All 15 products: 4 extensions, 3 dev tools, 4 content packs, 4 template sets
- Every future product free (roadmap goes to 40)
- One payment, no buying one by one
- Save $156, 80% cheaper than buying separately
微信支付宝Scan to pay ¥281, then send the screenshot + "Everything — 15 Products + Lifetime Updates" to 3426795872@qq.com for delivery.
All tools
21Code & data
7Text
5Generators
4Which one to pick
10Not sure which to use? Skim the side-by-side comparison first, then open a tool.
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