Private Offline Scratchpad
Private in-browser multi-note scratchpad with automatic localStorage persistence, burner incognito mode, Markdown formatting snippets, and multi-format export.
About Private Offline Scratchpad
While writing code, reading documentation, or conducting research, you frequently need a quick place to paste temporary notes, draft commands, format snippets, or hold text without creating and saving new files on your desktop. Opening heavy note apps interrupts your flow.
This in-browser scratchpad provides a distraction-free writing surface with automatic background persistence. Everything you type is preserved in your browser local storage, so your notes survive accidental tab closures and browser restarts.
Local device persistence ensures that internal server commands, secret environment variables, and proprietary code comments are never transmitted to cloud note services.
To manage quick working notes, calculate copy length using the word and character counter and preview formatting with the markdown previewer.
Step-by-step practical guide
- Type or paste anything into the main writing area.
- Check the real-time word and character counters in the top bar to track document length.
- Notes save automatically on every keystroke to your browser local storage.
- Click Download (.md) to export your notes as a Markdown document directly to your computer.
- Click Clear to wipe the workspace and start fresh.
- Reopen the tool anytime; your draft will be waiting exactly where you left off.
Engineering specifications and execution details
Uses the W3C Web Storage API (localStorage) under an isolated domain key, guaranteeing your notes remain local to your device.
Export uses the HTML5 Blob API and URL.createObjectURL to generate instant, in-browser Markdown file downloads without server involvement.
Storage capacity supports up to 5 megabytes of text (approximately 1,000,000 words), far exceeding standard temporary note needs.
Debounced saving minimizes disk I/O operations while typing rapidly.
Text encoding preserves UTF-8 multi-byte characters and international alphabets.
Data privacy and memory isolation
All text content is stored strictly inside your browser local storage repository.
No notes are ever transmitted to external web servers, analytics tools, or third-party cloud synchronization endpoints.
Common production use cases
- Developers holding API keys, curl commands, and SQL snippets temporarily during debugging.
- Writers drafting quick thoughts, article outlines, and email responses in a clean, uncluttered interface.
- Students taking rapid lecture notes alongside split-screen educational videos.
- Researchers collecting and synthesizing reference quotes from multiple tabs.
- DevOps engineers staging shell scripts before executing them in remote SSH terminal sessions.
Edge cases and operational boundaries
- Private/Incognito browsing: In private browsing windows, local storage is cleared when the private session closes. For long-term storage, download your notes as a Markdown file.
- Clearing browser data: Clearing browser cache and cookies will erase local storage data. Use the download button to back up important notes.
- Storage quota limits: If local storage reaches the 5 megabyte browser ceiling, a warning appears prompting you to download or clear old notes.
- Concurrent tabs: Opening the scratchpad in multiple browser windows shares the same local storage key, syncing text across tabs upon reload.
Frequently Asked Questions
Will I lose my text if I close the tab accidentally?
No. Your text is saved to your browser local storage on every keystroke and will reappear immediately when you reopen the page.
Are my notes uploaded to any cloud server?
No. Your notes are stored strictly in your local browser storage. No server can see or access your scratchpad contents.
Can other websites read my scratchpad notes?
No. The browser Same-Origin Policy ensures that only allmytools.tech running in your browser can access this storage key.
What format does the download button use?
It exports a standard UTF-8 encoded plain Markdown file (.md) named with the current date (e.g. scratchpad-2026-09-04.md).
How much text can the scratchpad hold?
Browser local storage typically allocates up to 5 megabytes per domain, which can store approximately one million words of plain text.
Can I format text with bold or headers in the scratchpad?
The scratchpad is a raw Markdown and plain text editor. You can write Markdown syntax directly and download it as a .md file.
Does clearing the browser cache delete my scratchpad notes?
Yes. If you explicitly clear cookies and website data in browser settings, local storage keys are removed. Always export important work.
How does Burner mode protect sensitive credentials from persistent storage?
When Burner mode is activated, auto-saving to browser localStorage is suspended. All note content resides exclusively in volatile browser RAM and is wiped immediately upon tab closure or page refresh, ensuring private keys and passwords never persist on physical storage.
Can I export notes to HTML and plain text in addition to Markdown?
Yes. The scratchpad provides one-click export to Markdown (.md), clean plain text (.txt), and formatted HTML documents (.html), enabling instant compatibility with editors, documentation pipelines, and word processors.