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An iOS-only period and cycle tracker that stores all data locally on your device and syncs only through your private iCloud, with no third-party servers.
FreeData stays with you
What to know▼
How it works
logs symptoms in a strictly chronological daily timeline
What's different
zero third-party servers, encrypted local storage, syncs via personal iCloud only
We check every product on this page once a day and record whether it still answers.
An open-source encrypted note-taking PWA that encrypts notes client-side before sync, for people who want their notes unreadable to the server even in the cloud.
Works offlineData stays with youOpen source
What to know▼
How it works
Notes encrypted in-browser with Argon2id + AES-256-GCM before leaving the device; only ciphertext reaches the server.
What's different
Works offline across devices while staying private.
We check every product on this page once a day and record whether it still answers.
A browser extension that fakes your browser's location and timezone across any site, keeping all data stored locally rather than sent to a server.
Data stays with you
What to know▼
How it works
A browser extension that fakes your HTML5 geolocation (latitude and longitude) across any website and syncs your browser timezone to match, with a searchable map, pin dropping, and up to 5 saved favorite locations.
What's different
Location data and favorites are stored locally and never sent to external servers.
Best for
People who need to test or mask their browser location on websites.
We check every product on this page once a day and record whether it still answers.
A Mac utility that scans your browsers for saved passwords, autofill data, and browsing traces so you can review and remove them before someone else finds them.
Data stays with you
What to know▼
How it works
scans supported browsers locally for privacy traces, lets you review before deleting
What's different
all scanning happens locally, nothing leaves the device
We check every product on this page once a day and record whether it still answers.
Checks personal exposure across multiple breach databases (HIBP, LeakCheck, XON) at once for a fuller risk picture, instead of relying on a single breach checker.
FreeNo sign-upData stays with you
What to know▼
How it works
Combines three breach databases; password checks use k-anonymity so passwords never leave the device; also scans domains for SPF/DMARC gaps and URLs for phishing.
We check every product on this page once a day and record whether it still answers.
A local Windows security suite with antivirus, AI ransomware detection, a DNS shield, VPN, identity monitoring, and a telemetry blocker that stops manufacturers from phoning home.
Watch out · blocks telemetry from Microsoft, AMD, HP, NVIDIA, and Intel.
No sign-upWorks offlineData stays with you
What to know▼
How it works
100% local, one-time payment, no cloud, no subscription, no account required; data never leaves the machine.
Watch out
blocks telemetry from Microsoft, AMD, HP, NVIDIA, and Intel.
We check every product on this page once a day and record whether it still answers.
A secure messaging tool for sharing passwords or sensitive notes via self-destructing links that expire after reading.
Data stays with you
What to know▼
How it works
You send passwords, API keys, notes, or other sensitive data via a self-destructing message that expires after being read or after a set time, then is permanently deleted.
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Edit text and images inside a PDF on your iPhone, entirely offline with no account or subscription — real local PDF editing without cloud uploads.
No sign-upWorks offlineData stays with you
What to know▼
How it works
Edits PDF text, images and vector objects directly on the iPhone: tap text to move or retype it, drag handles to resize images, merge multiple PDFs, delete pages from a thumbnail grid, and open or password-protect encrypted PDFs.
What's different
All processing happens locally on the device — no cloud upload, subscription or sign-in required.
Best for
iPhone users who need to genuinely edit PDF text and images without uploading files to a cloud service.
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An open-source Android app that watches for apps quietly using your camera, microphone or location and alerts you in real time — for privacy-conscious phone owners, not just developers.
Data stays with youOpen sourceNo ads
What to know▼
How it works
An open-source Android app that monitors app permissions in real time and alerts you when apps access your camera, microphone or location, even when you're not using them.
What's different
Open-source, with no ads and no tracking of its own.
Best for
Privacy-conscious Android users who want to know when apps quietly access sensitive sensors.
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Strips GPS and metadata from JPG photos entirely in your browser — nothing is uploaded, no account needed, aimed at anyone worried about location data leaking in shared photos.
No sign-upData stays with you
What to know▼
How it works
Strips GPS location data and other hidden metadata from JPG photos entirely inside your browser.
What's different
No uploads and no registration — photos never leave your device.
Best for
Anyone who shares photos and wants to make sure location data isn't leaking along with them.
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60+ free browser-based CSV tools — cleaning, merging, filtering, forecasting, even a chat-with-your-data feature — that process everything locally so nothing leaves your computer.
FreeNothing to installData stays with you
What to know▼
How it works
Provides more than 60 browser-based utilities for analyzing, cleaning, visualizing and transforming CSV files, including anonymization, forecasting, merging, filtering, compression and a chat-with-your-data feature.
What's different
All processing happens in the browser, so files never leave the user's computer.
Pricing
Free.
Best for
Anyone working with CSV files who wants quick fixes without uploading data to a server.
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A privacy-first IP lookup and network diagnostics toolkit (DNS, WHOIS, WebRTC leak checks) with no account and no tracking, aimed at technical users rather than general consumers.
No sign-upData stays with you
What to know▼
How it works
Shows your public IPv4/IPv6 address, approximate location, ISP and ASN, and runs DNS, WHOIS/RDAP, reverse DNS and WebRTC leak checks.
What's different
No account, no marketing trackers, and no persistent raw IP storage in app-controlled systems.
Best for
Technical users who want network diagnostics without creating an account or being tracked.
We check every product on this page once a day and record whether it still answers.
A Chrome extension that pairs each proxy with a matching device fingerprint so multiple accounts aren't linked — built for people running many accounts at once, like agencies or affiliates.
Data stays with you
What to know▼
How it works
Pairs each proxy with a coherent, country-matched device fingerprint (timezone, language, WebGL, canvas, Client Hints) plus WebRTC protection, and lets you bulk-import proxies into ready profiles.
What's different
Pairs proxy and fingerprint together in one tap, unlike simple proxy tools or complex anti-detect browsers.
Best for
People running multi-account workflows, such as agencies or affiliates, who need accounts to stay unlinked.
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A self-hosted, offline API that detects and redacts personal data, including India-specific identifiers, before it reaches an AI model, so data never leaves your infrastructure.
Works offlineData stays with youSelf-hosted
What to know▼
How it works
Detects and redacts PII such as Aadhaar, PAN, GSTIN, IFSC, and UPI, with a Presidio-compatible drop-in API, multilingual Hindi/English name and place detection, and checksum plus libphonenumber validation to reduce false positives.
Best for
Teams building AI pipelines in or for India who can't send data to third parties.
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An enterprise data de-identification platform that detects and redacts PII, PHI, and PCI across 50+ entity types and 52+ languages, deployed entirely within the customer's own environment.
Data stays with you
What to know▼
How it works
Uses context-aware NLP models to detect and redact sensitive entities; deploys on-prem, in a VPC, or in your own cloud so data never leaves your control.
Best for
Enterprises handling regulated data, per its cited customers (Providence Health, Boehringer Ingelheim).
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A password manager built on the open, KeePass-compatible KDBX format, storing logins, passkeys, cards and TOTP codes in one encrypted vault with Face ID autofill.
Data stays with youOpen sourceNo ads
What to know▼
How it works
Stores logins, passkeys, credit cards, secure notes and TOTP codes in an encrypted vault, built on the open KDBX format compatible with KeePass and KeePassXC, with one-tap AutoFill and Face ID across iPhone, iPad, Mac, Windows and Linux.
What's different
Uses the open KDBX format instead of a proprietary vault, so you're not locked into one vendor, with zero-knowledge on-device encryption before sync.
Best for
People wanting a KeePass-compatible password vault across Apple, Windows and Linux devices without vendor lock-in.
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Hides and encrypts files locally on your device with biometric unlock and no data collection or tracking — a personal file-privacy app, not a cloud backup service.
Data stays with youNo tracking
What to know▼
How it works
Hides and encrypts files locally on the device, with biometric authentication for access.
What's different
Data stays on the device — no cloud storage, no data collection or tracking.
Best for
People who want to hide and encrypt personal files without a cloud backup service involved.
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Locally blurs emails, API keys, tokens and other sensitive data before you screen-share or record — useful for anyone showing their screen, not just developers.
Data stays with you
What to know▼
How it works
Detects and locally blurs sensitive browser-page content — emails, phone numbers, API keys, tokens, IP addresses, and custom keywords — before you screen-share, record, or screenshot, with support for WhatsApp Web, manual area selection, saved rules, temporary reveal, and an emergency hide.
What's different
All scanning happens locally in the browser; page content is never uploaded.
Best for
Anyone doing screen shares, recordings, or live demos who needs to hide sensitive data on the fly, not just developers.
