60
match your filters
60
answered today
20
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3
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What we measured
We check every product on this page once a day and record whether it still answers.
A lightweight network scanner with persistent device labeling and Tailscale integration.
What we measured
We check every product on this page once a day and record whether it still answers.
A web-based tool for remotely controlling Windows devices from any browser; the public listing gives no further detail beyond that.
What we measured
We check every product on this page once a day and record whether it still answers.
Free browser-based suite of developer utilities (JSON/HTML validation, Base64, JWT inspection, password generation) that avoids uploading data.
What we measured
We check every product on this page once a day and record whether it still answers.
Suite of client-side browser tools, including a teleprompter and EXIF stripper, that run entirely offline.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people encrypt files with PGP without a GnuPG install instead of using command-line-only tools.
What we measured
We check every product on this page once a day and record whether it still answers.
A free browser tool for e-learning course builders to convert quiz formats and package SCORM courses, entirely on-device.
What we measured
We check every product on this page once a day and record whether it still answers.
Free offline macOS menu-bar app that tracks data usage per Wi-Fi network and hotspot.
Watch out · Runs entirely locally; no analytics, accounts, or data collection.
What we measured
We check every product on this page once a day and record whether it still answers.
A macOS app that organizes files with custom rules, dry-run previews, undo, and duplicate cleanup, keeping everything local instead of uploading it.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser-based tool that converts Chinese text between Simplified and Traditional characters locally, using OpenCC dictionaries.
Watch out · Nothing pasted ever leaves the browser.
What we measured
We check every product on this page once a day and record whether it still answers.
A free HAR file viewer that runs entirely client-side (nothing uploaded) and lets you inspect requests, headers and timing waterfalls — a real developer debugging tool.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets makers turn plain screenshots into polished product videos in-browser instead of using a full video editor.
What we measured
We check every product on this page once a day and record whether it still answers.
A free Chrome extension that shows who doesn't follow you back on Instagram and lets you bulk unfollow, processing everything locally.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets Mac users translate on-screen text like manga or menus in place instead of retyping it into a separate translator, fully offline.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser-based batch image converter and compressor (HEIC/PNG/JPG/WEBP/AVIF) that processes files locally.
What we measured
We check every product on this page once a day and record whether it still answers.
Turns local meeting recording folders into private, searchable transcripts on your Mac — everything stays on your machine, with no account, no upload, no meeting bot, and no subscription.
What we measured
We check every product on this page once a day and record whether it still answers.
A free, browser-based bulk image compressor and format converter that processes files entirely on your device without uploading them to any server.
What we measured
We check every product on this page once a day and record whether it still answers.
A collection of browser-based file utilities (PDF, image, audio) that process everything locally without uploading to a server, for privacy-conscious users instead of online converter sites.
What we measured
We check every product on this page once a day and record whether it still answers.
A free desktop app that checks your camera, mic, speakers, and network before a video call.
What we measured
We check every product on this page once a day and record whether it still answers.
A Mac app that converts HEIC photos and large iPhone videos into upload-friendly formats, processing everything locally — for Mac users, not an iOS app despite the iPhone-photo focus.
What we measured
We check every product on this page once a day and record whether it still answers.
A local-network chat app for people who want to avoid cloud servers entirely and keep conversations on their own LAN.
What we measured
We check every product on this page once a day and record whether it still answers.
Offline live conversation translator that identifies speakers and shows color-coded translated captions with no cloud upload.
What we measured
We check every product on this page once a day and record whether it still answers.
Local-first quoting and workflow app for embroidery shops covering costs, margins, customers and job status.
Watch out · An organization tool — it does not guarantee profit, revenue, growth, or business results.
What we measured
We check every product on this page once a day and record whether it still answers.
A macOS menu-bar app that turns your own local video files into live wallpapers, fully offline and open-source with no account or cloud step.
What we measured
We check every product on this page once a day and record whether it still answers.
One-time-purchase habit tracker with no subscription, storing all data locally on-device.
What we measured
We check every product on this page once a day and record whether it still answers.
Browser tool that converts animated GIFs to WebP entirely offline with no uploads or accounts.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people use basic web utilities without uploading data instead of sending files to unknown servers.
What we measured
We check every product on this page once a day and record whether it still answers.
An offline mobile app to view, edit and convert PDF, Word, Excel and PowerPoint files in 17 languages — a general document viewer, not a spreadsheet replacement.
What we measured
We check every product on this page once a day and record whether it still answers.
A free open-source browser tool that lets you control your computer using hand gestures and facial movements via webcam, for developers experimenting with gesture input.
What we measured
We check every product on this page once a day and record whether it still answers.
Self-hosted, cookie-free analytics for Shopify merchants who want visitor and revenue data kept on infrastructure they control instead of a third-party tracker.
What we measured
We check every product on this page once a day and record whether it still answers.
An offline spatial toolkit for Android and Wear OS with navigation, indoor tracking, and AR measurement, working without an internet connection.
What we measured
We check every product on this page once a day and record whether it still answers.
Runs PDF splitting/merging/redaction and a resume-vs-job-posting scorer entirely in the browser, so nothing you drop in gets uploaded.
What we measured
We check every product on this page once a day and record whether it still answers.
A one-time-purchase task app for solo workers that applies agile concepts like backlog, priority, and kanban to personal work, syncing via CloudKit with no account or server.
What we measured
We check every product on this page once a day and record whether it still answers.
A zero-knowledge document and photo vault that encrypts sensitive files like passports and wills locally on your device with no cloud account.
Watch out · No password reset possible since the provider never holds a key
What we measured
We check every product on this page once a day and record whether it still answers.
Free online file converter that runs entirely in your browser so files never get uploaded to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets designers turn any website's look into an installable WordPress theme instead of rebuilding the design manually in WordPress.
What we measured
We check every product on this page once a day and record whether it still answers.
Browser-based PDF toolkit (merge, compress, sign, OCR, convert) that processes files entirely on your device with nothing uploaded to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
Local-first Terraform scanner that audits cost, security and reliability in one pass with no upload, MIT licensed.
What we measured
We check every product on this page once a day and record whether it still answers.
120+ free Excel tools (convert, view, edit, repair) that run entirely in the browser, including PDF-to-Excel conversion.
What we measured
We check every product on this page once a day and record whether it still answers.
Collection of 340+ free online tools (PDF, image, financial, developer) that process everything client-side in the browser with no upload.
What we measured
We check every product on this page once a day and record whether it still answers.
Browser-based PDF tools (merge, split, convert to JPG) that run entirely locally with no file upload or account, in French.
What we measured
We check every product on this page once a day and record whether it still answers.
Android app for recording video, photo, or audio silently in the background, with all media kept only on the device.
Watch out · Android only.
What we measured
We check every product on this page once a day and record whether it still answers.
Private microblogging journal that stores everything locally on-device via IndexedDB, nothing sent to a server.
Watch out · A solo Friday experiment to test whether to ship a native app.
What we measured
We check every product on this page once a day and record whether it still answers.
Native, fully offline macOS video editor for trimming, joining and blurring clips, with no cloud or network access.
What we measured
We check every product on this page once a day and record whether it still answers.
Captures rambling voice or text notes locally and organizes them into ideas, with optional cloud processing.
What we measured
We check every product on this page once a day and record whether it still answers.
Windows clipboard history tool that lets you search past screenshots by the text visible inside them, all stored locally.
What we measured
We check every product on this page once a day and record whether it still answers.
Mac clipboard manager tuned for developer content such as code snippets.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets developers build SQL-driven embedded analytics dashboards for their product instead of building custom reporting from scratch.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets Flutter developers use stable icon fonts compiled locally instead of relying on external icon services with unstable codepoints.
What we measured
We check every product on this page once a day and record whether it still answers.
Chrome extension that records microphone and/or tab audio locally, with waveform trimming and MP3/WebM/WAV export — nothing leaves the browser.
Watch out · Everything stays local in the browser.
What we measured
We check every product on this page once a day and record whether it still answers.
Decodes a QR code from an uploaded photo entirely in-browser, no account or app install, for people who don't want to hand their images to a random QR scanner app.
Watch out · No app or sign-up needed.
What we measured
We check every product on this page once a day and record whether it still answers.
Imports Stripe's itemized automatic-payout CSV and turns it into a balanced QuickBooks journal — maps accounts, previews the journal, downloads a QuickBooks CSV, parsed entirely locally.
What we measured
We check every product on this page once a day and record whether it still answers.
Merges, cleans and deduplicates Excel/CSV files locally in your browser — set multi-column matching rules, keep latest/highest-value records, apply numeric tolerance or regex, preview every change, export clean — without uploading sensitive data.
What we measured
We check every product on this page once a day and record whether it still answers.
Local-first resume studio that keeps your resume visible while matching it to a job, highlighting the exact evidence behind each match and flagging vague claims that need numbers — then re-reads your exported PDF to show what actually survived.
What we measured
We check every product on this page once a day and record whether it still answers.
Three on-device privacy tools in one suite — blacks out your screen when a second face is detected, watches for rogue processes and connections, and shares files via temporary links without uploading them anywhere. Windows and macOS now.
Watch out · Android support is announced as 'soon,' not yet available.
What we measured
We check every product on this page once a day and record whether it still answers.
Free, private, in-browser web utilities. Zero uploads
What we measured
We check every product on this page once a day and record whether it still answers.
On-device batch photo compressor/resizer and HEIC-to-JPG converter, one-time purchase, no cloud upload.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser tool that frames screenshots with gradients and shadows and exports a launch-ready image, with nothing uploaded.
What we measured
We check every product on this page once a day and record whether it still answers.
Turns your goals, cash, pipeline and commitments into one local daily briefing before you open your inbox.
Watch out · never sends data out or connects payments
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people compress images and PDFs and generate QR codes in the browser instead of uploading files to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people turn their photo location data into a private travel history instead of sharing it with a cloud service.
What we measured
We check every product on this page once a day and record whether it still answers.
A local-only dashboard for tracking Codex usage and cost, without sending usage data to the cloud.
What we measured
We check every product on this page once a day and record whether it still answers.
A self-hosted, open alternative to Cloudflare Drop for file review — the listing has no further description to judge who it's really for.
What we measured
We check every product on this page once a day and record whether it still answers.
MetalGlot translates text entirely on-device without sending data to the cloud, for privacy-conscious users.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people use free browser-based utility tools instead of ad-heavy sites that upload their data.
Watch out · launched with 14+ tools, adding more weekly
What we measured
We check every product on this page once a day and record whether it still answers.
Lets people merge, split and convert PDFs in the browser instead of uploading files to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
A free browser tool that plays a sound sweep to help shake water out of your phone speaker.
What we measured
We check every product on this page once a day and record whether it still answers.
Browser-only HEIC to JPG converter that processes files locally without uploading them.
What we measured
We check every product on this page once a day and record whether it still answers.
An offline app for tracking food expiration dates to reduce waste.
Watch out · No sign-up, no cloud.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
What we measured
We check every product on this page once a day and record whether it still answers.
Turns text into styled images for social media, quotes, or announcements entirely in the browser, with no uploads, account, or watermark, and content that never leaves the device.
What we measured
We check every product on this page once a day and record whether it still answers.
A free set of 17+ client-side developer utilities (JSON/XML/YAML/SQL formatters, regex tester, JWT decoder, hash generator) that run entirely in the browser with nothing sent to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser extension that hides X (Twitter) posts from countries you pick, detecting location locally with no external servers or sign-up. A niche personal timeline filter, not a developer tool.
What we measured
We check every product on this page once a day and record whether it still answers.
Converts GSTR-1 and GSTR-3B tax PDFs into structured Excel sheets entirely in-browser, so client tax data never leaves the accountant's machine. Built specifically for Indian CAs and tax professionals.
What we measured
We check every product on this page once a day and record whether it still answers.
A local, privacy-first screenshot tool that captures an entire site at scale from a URL list across multiple breakpoints, instead of a cloud extension shooting one page at a time.
What we measured
We check every product on this page once a day and record whether it still answers.
A free Chrome extension for screen and webcam recording, screenshots, and on-page annotation that runs entirely in your browser with no signup or uploads.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser-based JSON formatter, converter, repair and compare tool from mackan.eu's toolset; sibling tools in the same suite run entirely client-side with no upload or signup required.
What we measured
We check every product on this page once a day and record whether it still answers.
Converts images, audio, video, PDF and Office files between 170+ formats right in your browser, with no account and no file upload to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
Strips hidden GPS and camera metadata from photos entirely in your browser before you share them, with no uploads.
What we measured
We check every product on this page once a day and record whether it still answers.
Lets users save clipboard snippets with their source instantly instead of alt-tabbing to a separate notes app.
What we measured
We check every product on this page once a day and record whether it still answers.
Transfers files peer-to-peer directly in the browser without uploading to a server.
Details →8 of 126
What we measured
We check every product on this page once a day and record whether it still answers.
A free browser suite for testing mouse polling rate, DPI, keyboard polling rate, and reaction time on any peripheral brand.
What we measured
We check every product on this page once a day and record whether it still answers.
See who texts more in your WhatsApp chats, 100% private
What we measured
We check every product on this page once a day and record whether it still answers.
A free browser tool that turns a still image into a wobbly jelly-motion animation, for casual creators making playful video/GIF content without video-editing software.
What we measured
We check every product on this page once a day and record whether it still answers.
Converts EPUB, PDF, DOCX, and TXT documents into downloadable MP3 or M4B audiobooks for free.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser-based tool that turns your own videos into iPhone Live Photo wallpapers entirely on-device with no upload, plus a free gallery of ready-made HD wallpapers.
Watch out · It doesn't create a true Live Photo by itself; it preps the clip and walks you through a manual app step to finish.
What we measured
We check every product on this page once a day and record whether it still answers.
Free browser tool that generates compliant passport/visa photos for 100+ countries without uploading your photo anywhere.
What we measured
We check every product on this page once a day and record whether it still answers.
A local, privacy-first JSON viewer and formatter for developers, with JWT decoding and CSV/YAML/TypeScript export; free for everyday use, $29 one-time for Pro features.
What we measured
We check every product on this page once a day and record whether it still answers.
Fixes the iPhone-photo compatibility problem by converting HEIC to PNG locally in your browser, nothing uploaded to a server, no account, no app to install.
8 of 115
What we measured
We check every product on this page once a day and record whether it still answers.
Turns your Mac trackpad into a breathing-exercise guide with audio and haptic cues, works fully offline with no account, for quick personal reset breaks.
What we measured
We check every product on this page once a day and record whether it still answers.
Offline habit tracker with no account, showing a 17-week heatmap and streaks while keeping all data on-device.
What we measured
We check every product on this page once a day and record whether it still answers.
An app for monitoring and controlling home Bitcoin mining rigs (Bitaxe, Avalon Nano, Antminer) over local Wi-Fi with no cloud.
What we measured
We check every product on this page once a day and record whether it still answers.
Select text anywhere on your Mac and it reads it aloud in a natural voice, queued like a podcast, with on-device text-to-speech.
What we measured
We check every product on this page once a day and record whether it still answers.
A browser-based invoice builder for freelancers and small businesses that keeps client and billing data entirely on your device, no sign-up or cloud sync.
What we measured
We check every product on this page once a day and record whether it still answers.
Local screenshot manager for Windows that OCRs every screenshot so you can search them by text later, with nothing uploaded to the cloud.
Watch out · Windows only.
What we measured
We check every product on this page once a day and record whether it still answers.
An offline encrypted vault for passwords, documents and voice/video messages stored only on your phone, meant to be accessible to family if something happens to you.
What we measured
We check every product on this page once a day and record whether it still answers.
An open-source, zero-knowledge Android password manager that encrypts on-device before anything leaves it, for users who don't trust cloud password managers with plaintext access.
8 of 97
What we measured
We check every product on this page once a day and record whether it still answers.
A free Chrome extension that files German receipts (GoBD-compliant) directly in your browser without ever uploading data, a password, or your inbox to a cloud service.
What we measured
We check every product on this page once a day and record whether it still answers.
Local-first vault app that locks photos, videos and documents behind a PIN or biometrics with no account or cloud storage required.
What we measured
We check every product on this page once a day and record whether it still answers.
OpenTools is a free, no-account collection of image and PDF tools that process files locally in your browser, instead of uploading them to a server.
What we measured
We check every product on this page once a day and record whether it still answers.
A mobile app that converts video to GIF entirely on-device, with no upload, watermark, or account required, and can share the result to WhatsApp, Telegram, Instagram, Reddit, or X.
What we measured
We check every product on this page once a day and record whether it still answers.
An encryption app that scrambles text, voice, photos, video, and files locally before they ever reach Telegram, WhatsApp, SMS, email, or another messaging app, with no account and no proprietary cloud.
What we measured
We check every product on this page once a day and record whether it still answers.
A free set of 52 browser tools — JSON formatting, regex testing, encryption, converters, calculators — running locally so nothing uploads. Mostly developer tools, plus general productivity ones.
What we measured
We check every product on this page once a day and record whether it still answers.
A native macOS app for browsing and importing 200 visual themes into the Codex coding tool.
Watch out · macOS only, runs locally with no account, analytics or network access.
What we measured
We check every product on this page once a day and record whether it still answers.
A free offline Windows encryption tool that auto-encrypts a vault with one login and supports secure file sharing.
Watch out · Windows only, no cloud, no account.