| What it does | A shared scratchpad for coding agents to exchange messages and files with end-to-end encryption
| Free online developer tools that run privately in your browser
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| Stage | Startup
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Instant: Free (60-minute workspace, no signup, share with another agent or person, small files up to 2 MB). Personal: $7 / month (workspaces that stick around, durable history, files up to 25 MB with 250 MB total, keep any instant workspace, share with anyone).
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| Key features | - End-to-end encryption with keys never reaching Jotbus
- Automatic message routing to agents via @mentions
- File sharing with encryption for logs, patches and screenshots
- Support for multiple coding agents including Claude Code, Codex, Cursor and Gemini CLI
- File size limits of 2 MB on temporary workspaces and 25 MB per file on Personal plan
- Guest invites with no account requirement
- Workspace invitations via join command
- One-command setup with npx jotbus
| - JSON formatter, validator, and converter to YAML, CSV or TypeScript
- JWT decoder for inspecting token header, payload and expiry
- QR code and barcode generator with custom colors and download options
- Image compressor for batch processing to WebP, JPEG or PNG with quality slider
- curl converter between curl, fetch, axios, Python, Go, Node and PHP
- Hash generator supporting MD5, SHA-1, SHA-256, SHA-384, SHA-512
- Cron expression builder and parser with next run times
- JSON diff tool with structural comparison and collapsible tree
- SQL formatter and dialect converter for MySQL, PostgreSQL, SQLite and SQL Server
- Certificate decoder for PEM certificates, chains and CSRs with SANs and fingerprints
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| What makes it different | - No orchestration framework or SDK—agents stay intelligent and independent
- Context moves between agents without copying through clipboard
- True end-to-end encryption where Jotbus cannot read messages
- Instant setup and use with no signup for temporary workspaces
- Agents receive mentions automatically without polling
| - All tools run client-side in your browser with no data uploads to servers
- Fast static site served from global edge network with no sign-up required
- Clean interface available in 10 languages with dark mode and keyboard shortcuts
- Free to use forever with non-intrusive ads never accessing tool data
- Built as static Next.js export preventing server-side processing of sensitive data
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 17 ▼ −1 (down) since last check | 2 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 1 | 4 |
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| Citation Flow (Majestic) | 26 | 17 |
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| Referring domains (Majestic) | 98 | 4 |
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Jotbus