Show HN: Chat Hoarding – Mac app to archive WhatsApp backups locally

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File Nº 0001<br>A WhatsApp<br>archive that outlives<br>the phone.<br>Pull your encrypted WhatsApp backup off Android, decrypt it on your Mac, and keep a single .tarc file that survives a lost phone, a deleted account, or a switched number.<br>Buy lifetime$992 MacsMac + Android download→<br>License$99 once<br>Devices2 · revocable<br>SourceAndroid only<br>NetworkOn-device

Archive · Family · 2018–2026<br>42,118 entries

19:02<br>Mom · text Found Grandma's recipe

✓✓ read<br>19:03<br>Mom · voice 0:42 Try this in coffee

✓✓ read<br>19:05<br>You · text Got it. Saving this forever.

✓✓ read<br>19:06<br>Mom · pdf 142 KB recipe-final.pdf

✓✓ read<br>19:11<br>Mom · photo kitchen-1985.jpg

✓✓ read

sha-256<br>9f3a c2b1 8e4d 7a02 · 89e0 e5c4 0011 ab46<br>.tarc

sealed · on-device<br>Fig. 01 · fragment of a 2018 family thread,<br>opened on a Mac in 2026. Decrypted locally.

Capabilities · Use cases · Pricing · 2026

File 02 · Capabilities<br>What WhatsApp's own export<br>left on the floor.

A backup expires the moment the source account does. An archive doesn't. Chat Hoarding app reads the encrypted database directly: every field WhatsApp stored ends up in your .tarc.

01Decrypts the backup, on your Mac<br>on-device<br>Paste your 64-digit WhatsApp key. The whole thing runs locally. The key never reaches our servers.

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02Three ways to get the backup off Android<br>Easy · Medium · Advanced<br>Companion app + wireless share. USB drag-drop. Or fully automatic over a cable. Pick what fits the phone.

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03The whole conversation, not just the words<br>every kind preserved<br>Voice notes, photos, videos, calls, locations, contact cards, and group history. Deletion events stay in the archive with sender attribution.

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04Receipts and timestamps the export drops<br>per-recipient<br>Sent, delivered, read, played, kept per message. In group chats, one row per recipient with all four timestamps.

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05Names, not phone numbers<br>auto + manual<br>Resolves contacts from WhatsApp and your address book. You can rename anyone Chat Hoarding can't figure out.

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06One file. Yours forever.<br>open · portable<br>The archive opens with a double-click. On the Mac you used, on your spouse's Mac, on a future Mac. The format is open, so you're not locked in.

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07Two network calls. That's it.<br>license + update only<br>The Android companion has no INTERNET permission, verifiable in the manifest. Chat Hoarding for Mac reaches the network only to activate your license and to check for a new version. Message content never leaves your Mac.

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File 04 · Use cases<br>Why people actually reach for it.<br>All use cases →

01Anyone migrating phones, switching numbers, going iPhone ↔ Android<br>Keep the years before you switch the phone<br>You upgrade your phone, restore the WhatsApp backup, and 80% of the time it kinda works. Sometimes it doesn't. Either way you've lost your insurance copy.

Read note ↗<br>02Anyone preserving messages from a deceased family member or close friend<br>The last messages from the people you've lost<br>When someone dies, their WhatsApp account stays alive in your chat list, until one day it isn't. Eventually the number is reissued, the account is cleared, and the conversation is gone.

Read note ↗<br>03Individuals preserving messages for a pending matter, and the professionals they hand the archive to<br>Preserve WhatsApp messages for a pending dispute<br>A custody matter, a workplace situation, a contract that fell apart over text. Native screenshots strip the metadata that makes the message useful, and a chat in a live WhatsApp app can change. The encrypted backup, decrypted on a Mac you control, preserves the source data as it was. (Whether any of it satisfies the evidentiary rules of a specific process is a question for the lawyer or auditor handling the matter — this page is about preservation, not admissibility.)

Read note ↗<br>04Anyone with WhatsApp history they don't want tied to one device<br>Your phone is gone. Your chats don't have to be.<br>Phone stolen, lost on a flight, dropped in the ocean. If you only relied on Google Drive's nightly sync, you have at best last night's WhatsApp, missing the morning. Better: an archive that already lived somewhere else.

Read note ↗<br>05Reporters, fact-checkers, investigative editors<br>Source-grade preservation for working journalists<br>A source sent you everything over WhatsApp. The story comes out in six months. You need that chat intact, off your phone, off Meta's cloud, and verifiable when an editor or lawyer asks.

Read note ↗<br>06Anyone keeping a personal record of important conversations<br>A chat you might need years from now<br>Workplace harassment. Custody dispute. A landlord refusing to admit what they promised. The conversation matters now, and it will matter even more later, long after the other side has blocked you.

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File 03 · Subscription · Terms<br>Pay once. Archive forever.<br>One license, two Macs, lifetime updates within the v1.x major version. Revoke any Mac from /account. The freed seat is reusable.

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