No accounts. No tracking. Our tools run on your device and keep your data yours — some free, some a simple one-time price.

Multi-step form approval router with tokenized email action buttons and dynamic Sheet logging. 100% local-first in Apps Script — zero external data relays.

Auto-sort your YouTube Music Liked Songs into real genre playlists, created in your own account. Local-first, no subscription.

Dynamically eliminate options in Google Forms as capacity fills. Concurrency-safe, local-first inventory and sign-up limits with zero monthly subscriptions.

Silently records your Gemini, Claude & ChatGPT chats to a local database. Search, star, and export to Markdown or JSON. 100% local.

A private habit and vice companion that lives entirely on your phone — encrypted, offline, no accounts, no cloud. Data over shame.

Vault open tabs to a local list you can reopen, and deep-sleep idle tabs to free RAM. 100% local. A OneTab-style tab manager.

Inject confidentiality stamps, draft notices, and dynamic timestamps into Google Docs headers and footers entirely client-side. Zero external server routing.

Collect files from external clients and contractors directly into your private Google Drive folder without requiring Google sign-in. Zero third-party servers, zero recurring subscriptions.

Local-first Google Drive storage cleaner that finds and removes duplicate files, zero-byte empty documents, and stale orphans. Zero third-party servers, zero recurring subscriptions.

Browse Google Drive and package folders into client-side AES-256 encrypted snapshots for instant local backup. Zero third-party cloud servers in the loop.

One calm note for ADHD minds. Dump what you need to remember — it auto-clears after 24 hours. Copy or download to keep it. 100% local.

Jot quick sticky notes in the side panel, arrange them on a board, copy or download them. 100% local. Made for ADHD minds.

Merge Google Forms submissions into customized Google Docs and downloadable PDFs stored in your Drive. Zero third-party conversion servers, zero submission caps, and zero recurring subscriptions.

Conditional HTML email notifications and autoresponders for Google Forms. Zero watermarks, zero third-party relays, sovereign lifetime license.

Generate permanent, non-expiring QR codes and Code-128 barcodes from spreadsheet data and save high-resolution graphics directly to Google Drive. Zero tracking redirects, zero subscription fees.

Turn Google Forms into timed exams and quizzes with automated submission cutoff. 100% native Apps Script execution, zero external redirects, and zero recurring subscriptions.

Save the page you're on to a local read-later list with notes & tags. Read later or export to Markdown. 100% local, no account.

Personalized email merge engine operating directly from Google Sheets via native Gmail quotas. Zero external mail-relay servers, zero inbox snooping, and zero recurring subscriptions.

Turn long-form video into viral 9:16 vertical shorts with face tracking and kinetic captions. 100% local video processing — your footage never leaves your machine.

Automatically move completed, dated, or inactive rows to archive tabs. Speed up lagging Google Sheets, prevent bloat, and eliminate recurring sync tool subscriptions.

Turn Google Sheets rows into synchronized Google Calendar events with dynamic two-way updates and scheduled background triggers. Zero third-party servers, zero recurring subscriptions.

Fire formatted HTTP POST webhooks to Slack, Discord, Zapier, Make, and REST endpoints instantly when spreadsheet rows change. 100% private in-account Apps Script execution.

Synchronize, roll up, and consolidate master spreadsheets across tabs and workbooks using native Google Sheets triggers. Zero SaaS middleware, zero third-party relays, and zero recurring monthly fees.

Capture up to 10 daily signals, mark 2–4 as priority, and see them in one pill. Copy or download anytime. 100% local.

Capture digital signatures via HTML5 canvas, embed verified signature stamps into Google Docs, and export signed PDFs directly to Google Drive. Zero per-envelope fees or monthly subscriptions.

Inject spreadsheet data directly into master Google Slides presentations without breaking layout geometry or corporate branding. Zero AI hallucinations and zero recurring subscriptions.

Merge Google Sheets into millimeter-calibrated Avery labels, envelopes, and barcodes. 100% local-first in Apps Script — zero external data transfer.

Park a window of tabs as one labeled set — annotate each, then reopen or export to Markdown. 100% local. Not a tab suspender.

A dead-simple focus timer that lives in your browser side panel. Name your focus, pick a time, stay on track. 100% local.

One-click background noise to mask distractions and focus. White, gray, brown noise + rain. 100% local, no accounts, no tracking.

Clip any page or selection to clean Markdown — straight into your local Obsidian, Logseq, or Capacities vault. 100% local, no account.

See who is tracking you on any page — analytics, ad-tech, and identity vendors, with the IDs they set. 100% local. No account.
864zeros (864zeros LLC) is an independent, AI-augmented software studio that builds single-purpose, local-first browser tools and small apps. The name is a nod to the 86,400 seconds in a day.
Local-first, privacy-first browser extensions and small apps. Examples include LinkLater, a local read-later list with notes & tags, and Tab Stasher, which parks and annotates whole windows of tabs. Everything runs on your device and exports to Markdown.
Our tools are local-first: by default your data stays on your device. We run no accounts, do not track you, show no ads, and never sell your data. If a feature ever needs to go beyond your device, it happens only with your explicit consent.
Some tools are free; others are a one-time price of a few dollars. Never a subscription.
We publish reusable feature "bricks" as open source — the components behind our products. The products themselves are proprietary.
More questions? [email protected]