---
title: The Relic Blog: Clipboard Security, Privacy, Copy-Paste
description: Plain-English writing on clipboard security, privacy, end-to-end encryption, and getting more out of everything you copy. From the team building Relic.
canonical: https://relic.space/blog
source: https://relic.space/llms.txt
---
The Relic blog

# Notes on memory, privacy, and everything you copy.

Plain-English writing on clipboard security, privacy, and getting more out of the things you copy. From the team building **Relic**, the encrypted memory for everything you copy.

Topics

[ Clipboard security & privacy](https://relic.space/blog/topics/clipboard-security)[ Copy and paste, explained](https://relic.space/blog/topics/copy-paste-basics)[ Your clipboard, explained](https://relic.space/blog/topics/clipboard-basics)[ Fixing copy and paste](https://relic.space/blog/topics/copy-paste-troubleshooting)[ Copying text from images and PDFs](https://relic.space/blog/topics/copy-from-images)[ Copy and paste across devices](https://relic.space/blog/topics/cross-device)[ Note-taking and second brain](https://relic.space/blog/topics/note-taking)[ Developer copy and paste](https://relic.space/blog/topics/dev-toolbox)[ Writing by the numbers](https://relic.space/blog/topics/writing)[ Developer cheat sheets](https://relic.space/blog/topics/dev-reference)[ Shipping better code](https://relic.space/blog/topics/shipping-code)[ AI on your machine](https://relic.space/blog/topics/local-ai)

[LatestWhat is a passkey?Passkeys replace typed passwords with a key your device keeps and you unlock with your face or fingerprint. How they work, where they're stored, moving them between managers, and what to do if you lose your phone. October 7, 2026 8 min read](https://relic.space/blog/what-is-a-passkey)

[Clipboard security & privacy·8 minTypes of ciphers, from Caesar to AESSubstitution, polyalphabetic, transposition and modern ciphers, each with a worked example you can check, and a quick guide to identifying an unknown cipher.Read ](https://relic.space/blog/types-of-ciphers)[Copy and paste, explained·7 minHow to copy and paste on an iPadThe iPad copies by touch like an iPhone, but it also takes keyboard shortcuts and lets you drag things between two open apps. Every method, plus Procreate and the fixes when paste won't show up.Read ](https://relic.space/blog/how-to-copy-and-paste-on-ipad)[Copy and paste across devices·7 minLocalSend vs KDE Connect vs Quick ShareA side-by-side look at three free ways to move files between phone and computer: platforms, iPhone support, same-Wi-Fi rules, clipboard sharing, and where each one falls down.Read ](https://relic.space/blog/localsend-vs-kde-connect-vs-quick-share)[Clipboard security & privacy·8 minWhich messaging apps are end-to-end encrypted in 2026A checked list of which chat apps encrypt your messages end to end as of September 2026, with the catch for each one: backups, carriers, Secret Chats and work accounts.Read ](https://relic.space/blog/which-messaging-apps-are-end-to-end-encrypted)[Your clipboard, explained·6 minClipboard history on a MacTahoe finally gave the Mac a clipboard history, tucked inside Spotlight. The shortcut, the 7-day limit, the password problem, and what to use when it falls short.Read ](https://relic.space/blog/clipboard-history-on-mac)[Copying text from images and PDFs·7 minSnipping Tool for Mac: what to use insteadSnipping Tool is Windows only, but every Mac has its own version built in. The shortcuts, the Screenshot app, screen recording, and what each Snipping Tool feature is called on a Mac.Read ](https://relic.space/blog/snipping-tool-for-mac)[Copy and paste across devices·6 minCan you AirDrop to Android?Google's Quick Share can now send to and receive from an iPhone's AirDrop on newer Pixel, Galaxy, OnePlus, OPPO and other phones. Which ones work, the steps both ways, and what to use if yours is left out.Read ](https://relic.space/blog/can-you-airdrop-to-android)[Copy and paste across devices·7 minQuick Share on Windows and iPhoneHow to set up Quick Share on Windows 10 or 11, send files both ways, and fix it when the PC won't show up. Plus what the new AirDrop support means for iPhone owners.Read ](https://relic.space/blog/quick-share-windows-and-iphone)[Copy and paste across devices·7 minAirDrop for Windows: how to send from an iPhone to a PCApple never made AirDrop for Windows. LocalSend, PairDrop, Phone Link, iCloud and the quick hacks, with the limits of each, so you can move files from an iPhone to a PC.Read ](https://relic.space/blog/airdrop-for-windows)[Developer cheat sheets·9 minWhat AI crawlers fetch from a small open-source site: 31 days of logsWe checked every request that claimed to be GPTBot, ClaudeBot, PerplexityBot and the rest against the operators' published IP lists. Then we looked at what the real ones read. The data is downloadable.Read ](https://relic.space/blog/ai-crawlers-on-a-small-site)[Writing by the numbers·Pillar·7 minHow many pages is 1000 words?1000 words is two pages single-spaced or four double-spaced in a standard 12-point font. The full word-to-page conversion table from 250 to 10,000 words, and the settings that move the count.Read ](https://relic.space/blog/how-many-pages-is-1000-words)[Writing by the numbers·7 minHow many words in a paragraph?There is no fixed number, but a useful range: 100 to 200 words for essays, 40 to 80 for the web. Why context rules the length, and how to break paragraphs on ideas instead of counts.Read ](https://relic.space/blog/how-many-words-in-a-paragraph)[Writing by the numbers·7 minTransition words listA transition words list sorted by the job each one does, from addition to conclusion, plus guidance on using them without sounding mechanical and which words read as stiff.Read ](https://relic.space/blog/transition-words-list)[Note-taking and second brain·7 minMeeting notes templates that capture decisions and ownersFour meeting notes templates you can copy and paste into any app: a general sync, a one-on-one, a decision log, and a standup. Each one puts decisions and owners front and center.Read ](https://relic.space/blog/meeting-notes-template)[Note-taking and second brain·6 minA daily journal template that actually gets usedJournals die because a blank page asks too much. Three copyable daily journal templates that hand you prompts instead of an empty box, plus the habit mechanics that make one stick.Read ](https://relic.space/blog/daily-journal-template)[Note-taking and second brain·8 minHow to take notes from a textbookCopying and highlighting a textbook barely helps. A method that produces notes you remember: survey first, read before you write, use a Cornell layout, and rephrase in your own words.Read ](https://relic.space/blog/how-to-take-notes-from-a-textbook)[Developer cheat sheets·Pillar·10 minRegex cheat sheetThe regex pieces you actually reach for, character classes through lookarounds, with the flavor differences that bite you and a handful of patterns worth saving.Read ](https://relic.space/blog/regex-cheat-sheet)[Developer cheat sheets·7 minJSONPath examplesJSONPath is XPath for JSON. One small store document, threaded through wildcards, slices, filters and recursive descent, with the honest note on how implementations vary.Read ](https://relic.space/blog/jsonpath-examples)[Developer cheat sheets·7 minjq cheat sheetjq is sed for JSON. The filters you use most, built up against one API response so every command has a visible result, from map and select to group\_by and raw output.Read ](https://relic.space/blog/jq-cheat-sheet)[Developer cheat sheets·7 minwget vs curl: what is the difference?wget and curl both fetch over HTTP, and there the resemblance ends. One is a recursive downloader, the other a protocol swiss army knife. What each is genuinely better at.Read ](https://relic.space/blog/wget-vs-curl)[Developer cheat sheets·5 minSubnet cheat sheetThe prefix length tells you how many addresses a block holds and how many you can assign. The full /8 to /32 table, the reserved ranges, and the math to find a network and broadcast by hand.Read ](https://relic.space/blog/subnet-cheat-sheet)[Developer cheat sheets·5 minPort numbers listThe ports people actually look up, grouped by use, each with the protocol that matters and what runs there. Web, mail, file and shell, databases, infrastructure, and local dev ports.Read ](https://relic.space/blog/port-numbers-list)[Developer cheat sheets·5 minEd25519 vs RSAFor a new SSH or signing key, Ed25519 is the better default: smaller, faster, and harder to misconfigure. When RSA is still the right call, and the commands to generate each.Read ](https://relic.space/blog/ed25519-vs-rsa)[Developer cheat sheets·6 minTOML vs YAMLTOML aims to be obvious and minimal; YAML serializes any data a human can read. The same config in both, YAML's sharp edges stated accurately, and where each one won.Read ](https://relic.space/blog/toml-vs-yaml)[Shipping better code·Pillar·9 minConventional Commits, explained accuratelyA small, strict format for commit messages that both people and tools can read. The spec accurately, why feat means MINOR and fix means PATCH, and how to adopt it without the process turning sour.Read ](https://relic.space/blog/conventional-commits)[Shipping better code·7 minSemantic versioning (SemVer), explainedThe MAJOR.MINOR.PATCH scheme behind almost every package you install. What bumps what, the odd 0.x rules, version ranges in npm and pip, and the one promise SemVer quietly cannot keep.Read ](https://relic.space/blog/semantic-versioning)[Shipping better code·7 minA pull request template you can copy todayA Markdown file your host pre-fills into every new PR. Three templates to copy, where the file lives on GitHub and GitLab, and what separates a checklist people use from one they delete.Read ](https://relic.space/blog/pull-request-template)[Shipping better code·6 minA README template that people actually readThe front door of a project, and most visitors decide within the first screen. A copyable README skeleton that leads with the quick start, plus the reasoning and a minimal variant.Read ](https://relic.space/blog/readme-template)[AI on your machine·Pillar·10 minOllama models: how to choose and run themOllama runs language models on your own hardware with almost one command. The catch is picking one your machine can hold. How to read a model listing, do the RAM math, and run it.Read ](https://relic.space/blog/ollama-models)[AI on your machine·7 minThe best local LLM depends on your hardwareThe best local LLM is the smallest one that does your task and fits your memory. A buyer's guide organized by hardware tier and task, with honest evaluation advice.Read ](https://relic.space/blog/best-local-llm)[AI on your machine·7 minClaude Code vs Cursor: an even-handed comparisonClaude Code is a terminal agent you delegate tasks to; Cursor is an AI-first editor you stay inside. A fair comparison of form factor, interaction and where each one shines.Read ](https://relic.space/blog/claude-code-vs-cursor)[AI on your machine·8 minPrompt injection examples, explained for defendersPrompt injection turns untrusted data into instructions a model obeys. The categories of prompt injection examples, why they work, and how to defend without pretending it is solved.Read ](https://relic.space/blog/prompt-injection-examples)[Copy and paste across devices·7 minPastebin alternatives, by what you actually needPastebin is fast, but its default is public, and public means scraped. The right alternative depends on what you are protecting: reusable code, a one-time secret, or a paste that vanishes on its own.Read ](https://relic.space/blog/pastebin-alternative)[Copy and paste, explained·7 minHow to copy formatting in WordCopy the look of text in Word without the words. The Format Painter, single click vs double click, the keyboard shortcut for your version of Word and for Mac, and when styles work better.Read ](https://relic.space/blog/how-to-copy-formatting-in-word)[Clipboard security & privacy·Pillar·9 minIs your clipboard a security risk?Everything you copy lands in one shared slot of memory that other apps, and even web pages, can quietly read. What the clipboard exposes, and how to take the risk seriously without becoming paranoid.Read ](https://relic.space/blog/is-your-clipboard-a-security-risk)[Clipboard security & privacy·8 minCan websites read your clipboard?A web page can read your clipboard, but only under rules the browser enforces. Exactly when a site can see what you copied, where the rules have gaps, and how to protect yourself.Read ](https://relic.space/blog/can-websites-read-your-clipboard)[Clipboard security & privacy·7 minIs it safe to copy and paste passwords?Pasting a password is convenient and your password manager relies on it. But the clipboard is shared memory with a short, leaky life. When copying a password is fine, and when it bites you.Read ](https://relic.space/blog/is-it-safe-to-copy-and-paste-passwords)[Clipboard security & privacy·8 minWhat is end-to-end encryption, in plain EnglishEnd-to-end encryption gets thrown around in marketing, but the idea is simple: only you hold the key, so nobody in the middle can read your data. How it actually works, minus the jargon.Read ](https://relic.space/blog/what-is-end-to-end-encryption)[Clipboard security & privacy·7 minHow to keep your clipboard privateYou cannot turn the clipboard off, but you can control what lands there, how long it lingers, and who can read it. A practical checklist for Windows, Mac, Android and iPhone.Read ](https://relic.space/blog/how-to-keep-your-clipboard-private)[Copy and paste, explained·Pillar·12 minHow to copy and paste on any deviceThe same two steps work everywhere once you know the shortcut for your device. Copy and paste on Windows, Mac, Chromebook, iPhone, Android and tablets, by keyboard, trackpad or touch, with every shortcut in one table.Read ](https://relic.space/blog/how-to-copy-and-paste)[Copy and paste, explained·6 minHow to copy and paste on a ChromebookChromebooks handle copy and paste a little differently from Windows or Mac. The keyboard shortcuts, the two-finger touchpad tap, and pasting as plain text.Read ](https://relic.space/blog/how-to-copy-and-paste-on-chromebook)[Copy and paste, explained·7 minHow to copy and paste on a MacThe Mac uses Command, not Control, which trips up a lot of switchers. Copy and paste on macOS by keyboard, mouse and trackpad, plus paste without formatting.Read ](https://relic.space/blog/how-to-copy-and-paste-on-mac)[Copy and paste, explained·6 minHow to copy and paste on an iPhoneiPhone copy and paste runs on taps and gestures instead of a keyboard. Copying text, links and images, plus the three-finger shortcuts most people never learn.Read ](https://relic.space/blog/how-to-copy-and-paste-on-iphone)[Copy and paste, explained·8 minHow to copy and paste on AndroidAndroid copy and paste starts with a press and hold. Plus the Samsung extras: the keyboard clipboard, pinned clips, text from photos and pasting to a Windows PC.Read ](https://relic.space/blog/how-to-copy-and-paste-on-android)[Copy and paste, explained·6 minHow to copy and paste in Google DocsThe Google Docs shortcuts for copy, cut, paste and select all, how to paste without formatting, how to make a copy of a whole doc, and why right-click paste asks for clipboard access.Read ](https://relic.space/blog/how-to-copy-and-paste-in-google-docs)[Copy and paste, explained·6 minHow to paste without formattingPasted text often drags its old fonts and colors with it. Pasting as plain text in Windows, Mac, Google Docs, Word and Excel, with the shortcut for each.Read ](https://relic.space/blog/how-to-paste-without-formatting)[Your clipboard, explained·Pillar·8 minYour clipboard, explained: where it is and how it worksEvery copy you make lands in the clipboard, a small piece of memory you cannot really see. What it is, how it works, and why it usually holds one item at a time.Read ](https://relic.space/blog/what-is-the-clipboard)[Your clipboard, explained·6 minWhere is the clipboard on Android (and Samsung)?Android keeps the clipboard inside the keyboard rather than its own app, which is why it is so hard to find. Where it lives on Samsung and Gboard, opening it step by step.Read ](https://relic.space/blog/where-is-the-clipboard-on-android)[Your clipboard, explained·7 minWhere is the clipboard on iPhone?iPhone has a clipboard, but no place to view it, and it only holds the last thing you copied. Checking what is on it, and keeping more than one item around.Read ](https://relic.space/blog/where-is-the-clipboard-on-iphone)[Your clipboard, explained·9 minHow to access your clipboard historyMost devices quietly limit you to a single copy, but some keep a short history. Opening clipboard history on Windows, Android and iPhone, plus the Mac workaround.Read ](https://relic.space/blog/how-to-access-clipboard-history)[Your clipboard, explained·6 minHow to clear your clipboardWhatever you copied last sits in the clipboard until something replaces it, which is a problem for passwords. Clearing it on Windows, Mac, Android and iPhone.Read ](https://relic.space/blog/how-to-clear-your-clipboard)[Fixing copy and paste·Pillar·7 minCopy and paste not working? How to fix itWhen copy and paste stops working, the cause is almost always a small, fixable glitch. The fixes that work, in order, for Windows, Mac, browsers and Office.Read ](https://relic.space/blog/copy-and-paste-not-working)[Fixing copy and paste·6 minCopy and paste not working on Windows 11Windows 11 has a few specific culprits when copy and paste dies, from the rdpclip process to clipboard history. The fixes, in the order most likely to work.Read ](https://relic.space/blog/copy-and-paste-not-working-windows-11)[Fixing copy and paste·6 minCopy and paste not working on a MacA Mac that will not paste usually has a stuck pboard process behind it. Restarting it from Activity Monitor or Terminal, and the other fixes worth trying first.Read ](https://relic.space/blog/copy-and-paste-not-working-on-mac)[Fixing copy and paste·9 minCopy and paste not working in ExcelExcel names most copy and paste failures in its error message. What each one means, from multiple selections to Protected View, and how to fix it.Read ](https://relic.space/blog/copy-and-paste-not-working-in-excel)[Fixing copy and paste·8 minCtrl C and Ctrl V not workingWhen Ctrl C and Ctrl V go dead, the usual culprit is the keyboard itself or a background app hogging the shortcut. Tracking down the cause and fixing it.Read ](https://relic.space/blog/ctrl-c-ctrl-v-not-working)[Copying text from images and PDFs·Pillar·8 minHow to copy text from an image, screenshot or PDFText trapped in a picture or a flattened PDF is not really stuck. Optical character recognition can lift it out on any device, including scans that refuse to select.Read ](https://relic.space/blog/how-to-copy-text-from-an-image-or-pdf)[Copying text from images and PDFs·8 minHow to copy text from a PDFA normal PDF lets you select and copy like any document. A scanned or locked one needs a different approach. Both kinds handled, on desktop and phone.Read ](https://relic.space/blog/how-to-copy-text-from-a-pdf)[Copying text from images and PDFs·7 minHow to copy text from a pictureYour phone can already read the words inside a photo, you just have to know where to tap. Copying text from a picture on iPhone, Android, Windows and Mac.Read ](https://relic.space/blog/how-to-copy-text-from-a-picture)[Copying text from images and PDFs·6 minHow to copy text from a scanned or locked PDFA scanned PDF is really a photo of a page, and a locked one blocks copy on purpose. Pulling the text out of each, using OCR and a couple of safe workarounds.Read ](https://relic.space/blog/how-to-copy-text-from-a-scanned-or-locked-pdf)[Copying text from images and PDFs·6 minHow to extract text from a screenshotA screenshot looks like a dead end if you need the words inside it, but it is not. Extracting text from a screenshot on every device, and copying it out.Read ](https://relic.space/blog/how-to-extract-text-from-a-screenshot)[Copy and paste across devices·Pillar·8 minHow to copy and paste between your phone and computerYou copy a link on your phone and want it on your laptop, or the other way around. The real ways to move text between phone and computer, on every platform pairing.Read ](https://relic.space/blog/copy-and-paste-between-phone-and-computer)[Copy and paste across devices·6 minHow to send a link from your phone to your computerGetting a single link from your phone to your computer should take seconds. The quickest methods on iPhone and Android, and the reliable fallback when they fail.Read ](https://relic.space/blog/how-to-send-a-link-from-your-phone-to-your-computer)[Copy and paste across devices·7 minUniversal Clipboard not workingUniversal Clipboard relies on a stack of settings all being right at once, so one wrong toggle breaks it. A checklist to fix copy and paste between Mac and iPhone.Read ](https://relic.space/blog/universal-clipboard-not-working)[Copy and paste across devices·7 minPushbullet alternatives for sharing text and linksPushbullet pioneered sending links and text between devices, but it is no longer the only good option. The best alternatives, including free and privacy-first picks.Read ](https://relic.space/blog/pushbullet-alternatives)[Copy and paste across devices·6 minRemote Desktop copy and paste not workingCopy and paste dropping out over Remote Desktop almost always comes down to clipboard redirection or a stuck rdpclip process. Fixes for RDP, Citrix and VMware.Read ](https://relic.space/blog/remote-desktop-copy-paste-not-working)[Copy and paste across devices·6 minHow to AirDrop a linkAirDrop is the fastest way to move a link between Apple devices once you know where the share button hides. Sharing a webpage, and fixing AirDrop when it will not connect.Read ](https://relic.space/blog/how-to-airdrop-a-link)[Note-taking and second brain·Pillar·5 minHow to take better notesCapturing less and reviewing what you keep beats writing everything down. The note-taking methods that hold up for work, reading and study.Read ](https://relic.space/blog/how-to-take-better-notes)[Note-taking and second brain·8 minWhat is a commonplace book?Long before note apps, people kept a commonplace book: one place to collect the quotes and ideas they wanted to keep. What it is, and how to keep one now.Read ](https://relic.space/blog/what-is-a-commonplace-book)[Note-taking and second brain·8 minThe best note-taking methods, comparedThere is no single best way to take notes, only the right method for the task. The proven ones, from Cornell to Zettelkasten, and when each actually helps.Read ](https://relic.space/blog/best-note-taking-methods)[Note-taking and second brain·7 minHow to remember what you readReading more does not help if it all leaks away by next week. Remembering what you read takes active recall and a light system for saving what matters.Read ](https://relic.space/blog/how-to-remember-what-you-read)[Note-taking and second brain·7 minWhat is a second brain?A second brain is just a reliable home for the ideas, links and notes you would otherwise forget. What it means, and a low-effort way to start one.Read ](https://relic.space/blog/what-is-a-second-brain)[Note-taking and second brain·6 minThe PARA method, explained simplyPARA sorts everything you save into four buckets: Projects, Areas, Resources and Archives. How it works, without turning setup into a second job.Read ](https://relic.space/blog/the-para-method)[Note-taking and second brain·7 minWhat is a swipe file?A swipe file is a stash of headlines, emails and ideas worth borrowing later. Who it helps, and how to build one from the things you already copy.Read ](https://relic.space/blog/what-is-a-swipe-file)[Developer copy and paste·Pillar·13 minHow to copy and paste in the terminalCtrl C cancels a command in the terminal, so copy and paste works differently there. Shortcuts for every terminal, plus SSH, PuTTY, Termius and browser terminals.Read ](https://relic.space/blog/copy-and-paste-in-the-terminal)[Developer copy and paste·7 minWhat is a UUID?A UUID is a 128-bit value designed to be unique without any central authority handing it out. What they are, how the versions differ, and when to reach for one.Read ](https://relic.space/blog/what-is-a-uuid)[Developer copy and paste·7 minWhat is a JWT token?A JWT packs a user's identity into a signed, self-contained token. What the three parts hold, how the signature works, and what a JWT does and does not protect.Read ](https://relic.space/blog/what-is-a-jwt-token)[Developer copy and paste·8 minWhat is a hash function?A hash function squeezes any input into a short, fixed fingerprint you cannot reverse. What hashing is, how it differs from encryption, and where it shows up.Read ](https://relic.space/blog/what-is-a-hash-function)[Developer copy and paste·6 minWhat is Base64 encoding?Base64 rewrites binary data as plain text so it survives systems that only expect text. What it does, why it is not encryption, and where you will meet it.Read ](https://relic.space/blog/what-is-base64-encoding)[Developer copy and paste·8 minHow to copy a file pathCopying a file's full path is a two-second job once you know the shortcut. The menu trick, keyboard method and terminal command, on both Windows and Mac.Read ](https://relic.space/blog/how-to-copy-a-file-path)[Developer copy and paste·7 minHashing vs encryption: what is the difference?Hashing and encryption sound interchangeable but solve opposite problems: one is one-way, the other is meant to be undone. The difference, and why it matters.Read ](https://relic.space/blog/hashing-vs-encryption)[Clipboard security & privacy·7 minWhat is personally identifiable information (PII)?PII is any information that can be traced back to you, and it is broader than most people think. What counts, what makes some of it sensitive, and how to keep it safe.Read ](https://relic.space/blog/what-is-personally-identifiable-information)[Clipboard security & privacy·8 minWhat is AES encryption?AES is the encryption behind most of the secure data you touch daily, yet few people know what it is. How it works, what AES-256 means, and how secure it really is.Read ](https://relic.space/blog/what-is-aes-encryption)[Clipboard security & privacy·8 minWhat is zero-knowledge encryption?Zero-knowledge means the company storing your data genuinely cannot read it, because your key never reaches them. How it works, and the one real trade-off it carries.Read ](https://relic.space/blog/what-is-zero-knowledge-encryption)[Clipboard security & privacy·8 minHow to send a password securelySending a password by email or chat leaves it sitting in inboxes forever. Sharing one safely with a one-time link or a password manager, and what never to do.Read ](https://relic.space/blog/how-to-send-a-password-securely)