Discover and verify
Inputs, formats, fingerprints and candidate keys are checked before expensive processing.
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FINAL VALIDATION
Backup · CLI
Signal Tools
Read, verify, merge and export multiple encrypted Signal backups without hiding data loss or exposing their keys.
overview
Inspect and merge Signal backups
Signal Tools is a Rust pipeline for legacy Signal backups and local v2 snapshots. It detects formats, tries authorized keys, replays databases, normalizes conversations, deduplicates conservatively, applies retention and selects a final output according to lossless feasibility. Every phase produces actionable audits instead of an opaque success message.
Availability
Product validation before release
Version 0.1.0 has extensive test coverage and a v2 writer validated by Rust round trips. Real imports into Signal Android/Desktop and some portable formats still need confirmation before every output is presented as directly restorable.
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At a glance
At a glance
Version
0.1.0
Technology
Rust 2024
Commands
10
Backups
Legacy · v2
Exports
HTML · CSV · TXT · XML
Execution
Local
What's in it
What's in it
- F—01 Reads legacy backups and local v2 snapshots
- F—02 Multi-source merge, identity normalization and conservative deduplication
- F—03 Conversation, date and volume curation with optional TUI
- F—04 Legacy Signal, encrypted v2 or local plaintext outputs
- F—05 HTML, CSV, TXT, SMS-XML and attachment exports
- F—06 Resume, parallelism, JSON/HTML reports and verify-final audit
Pipeline
Rejecting false success.
When a target format cannot represent data without loss, the tool reports it and selects a more faithful fallback instead of silently producing a degraded backup.
Replay and normalize
Legacy databases and v2 snapshots converge into one stable internal model with their payloads.
Merge conservatively
Identities, messages and attachments are matched through strong evidence; ambiguous cases remain separate.
Export, then audit
Final format follows lossless feasibility and a semantic check runs after every successful merge.
Screens
Screens
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Security
Local secrets, restrained reports.
The tool runs locally on archives selected by the user. Generated passphrases stay in a dedicated file and reports retain only a masked representation.
- P—01 No complete key written to JSON reports
- P—02 Only synthetic data in the versioned test suite
- P—03 Explicit failure when a required payload is missing or corrupt
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