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data-peek Feature Overview
A minimal, fast, beautiful PostgreSQL client for developers who want to quickly peek at their data.
Product Summary
data-peek is a lightweight desktop database client designed for developers who need quick, frictionless access to their PostgreSQL databases. Unlike bloated alternatives like pgAdmin or DBeaver, data-peek focuses on speed, simplicity, and a keyboard-first experience.
Target Audience: Developers, data engineers, backend engineers, and anyone who needs to quickly query and explore PostgreSQL databases without the overhead of enterprise tools.
Platforms: macOS (Apple Silicon + Intel), Windows, Linux
Key Value Propositions
| Benefit | Description |
|---|---|
| Lightning Fast | Opens in under 2 seconds. No splash screens, no waiting. |
| Zero Configuration | Connect and query immediately. No complex setup required. |
| Keyboard-First | Power users can do everything without touching the mouse. |
| Beautiful & Modern | Dark and light themes with a clean, distraction-free UI. |
| Privacy-First | No telemetry, no tracking. Your data stays on your machine. |
| Secure | Connection credentials are encrypted locally. |
| Pay Once, Own Forever | No subscriptions. One-time purchase with 1 year of updates. |
Pricing
Free Tier
Get started at no cost:
- 2 database connections
- 50 query history items
- 3 editor tabs
- 1 schema for ER diagrams
- CSV/JSON export
Pro License — $99 $29 (Early Bird)
Unlock everything:
- Unlimited connections
- Unlimited query history
- Unlimited tabs
- Unlimited ER diagrams
- Inline data editing (INSERT/UPDATE/DELETE)
- Query execution plans (EXPLAIN/ANALYZE)
- 3 device activations
- 1 year of updates
- Pay once, use forever
Cloud (Coming Soon)
For power users and teams:
- Everything in Pro
- Sync connections across devices
- Cloud-saved queries
- Team sharing
- ~$5-8/month
Feature List
Connection Management
| Feature | Description |
|---|---|
| Quick Connection Setup | Add connections with host, port, database, user, and password — or paste a connection string |
| Connection String Parsing | Paste any PostgreSQL connection URL and auto-fill all fields |
| Test Before Save | Verify connections work before adding them |
| Encrypted Storage | Credentials stored securely with encryption |
| SSL Support | Connect to SSL-enabled databases |
| Connection Switcher | Quickly switch between multiple database connections |
| Edit & Delete | Manage saved connections with ease |
Query Editor
| Feature | Description |
|---|---|
| Monaco Editor | Same editor engine that powers VS Code |
| SQL Syntax Highlighting | Full SQL syntax highlighting with PostgreSQL support |
| Smart Autocomplete | Schema-aware suggestions for tables, columns, and SQL keywords |
| Multi-Tab Support | Work on multiple queries simultaneously with independent tabs |
| Query Formatting | Auto-format SQL with Cmd/Ctrl + Shift + F |
| Run Query | Execute with Cmd/Ctrl + Enter |
| Collapsible Editor | Minimize the editor to focus on results |
Results Viewer
| Feature | Description |
|---|---|
| Data Table View | View results in a clean, sortable table |
| Data Type Indicators | Color-coded badges showing column types |
| Query Metrics | See row count and query execution time |
| Pagination | Navigate large result sets with customizable page sizes |
| Copy Cell | Click any cell to copy its value |
| Copy Row as JSON | Export individual rows as JSON objects |
| Export to CSV | Download results as CSV files |
| Export to JSON | Download results as JSON files |
| NULL Styling | Clear visual distinction for NULL values |
| Foreign Key Navigation | Click FK cells to view related records |
| JSON/JSONB Viewer | Expand and inspect JSON columns inline |
Schema Explorer
| Feature | Description |
|---|---|
| Tree View Navigation | Browse schemas, tables, and views hierarchically |
| Column Details | See column names, data types, and constraints |
| Primary Key Indicators | Visual markers for primary key columns |
| Nullable Indicators | See which columns allow NULL values |
| Foreign Key Display | View foreign key relationships |
| Table Search | Filter tables by name with instant search |
| Click to Query | Click any table to generate a SELECT query |
| Schema Refresh | Reload schema after database changes |
Query History
| Feature | Description |
|---|---|
| Auto-Save | Every executed query is automatically saved |
| Persistent Storage | History survives app restarts |
| Query Metadata | See execution time, row count, and status for each query |
| Quick Load | Click any history item to load it into the editor |
| Copy to Clipboard | Copy previous queries without loading |
| Clear History | Remove all or individual history items |
| Query Type Badges | Visual indicators for SELECT, INSERT, UPDATE, DELETE |
| Relative Timestamps | "5 minutes ago", "yesterday", etc. |
Inline Data Editing
| Feature | Description |
|---|---|
| Edit Cells | Double-click to modify cell values directly |
| Add Rows | Insert new records with a visual form |
| Delete Rows | Remove records with confirmation |
| SQL Preview | Review generated SQL before executing changes |
| Batch Operations | Queue multiple changes before committing |
| Discard Changes | Undo pending edits before saving |
| Type-Safe Editing | Input validation based on column data types |
ER Diagram Visualization
| Feature | Description |
|---|---|
| Visual Schema Map | See your database structure as an interactive diagram |
| Table Nodes | Each table displays all columns with types |
| Relationship Lines | Foreign key connections visualized as links |
| Primary Key Highlights | Yellow indicators for PK columns |
| Foreign Key Highlights | Blue indicators for FK columns |
| Pan & Zoom | Navigate large schemas with ease |
| Mini Map | Overview navigation for complex databases |
Query Execution Plans
| Feature | Description |
|---|---|
| EXPLAIN Visualization | See query execution plans in a visual tree |
| Node Type Coloring | Color-coded operations (scans, joins, sorts) |
| Cost Analysis | View estimated vs actual costs |
| Performance Metrics | Execution time breakdown by operation |
| Buffer Statistics | I/O and memory usage details |
| Expandable Nodes | Drill into plan details |
User Interface
| Feature | Description |
|---|---|
| Dark Mode | Easy on the eyes for long coding sessions |
| Light Mode | Clean, bright interface when you prefer it |
| System Preference | Automatically match your OS theme |
| Resizable Panels | Drag to resize sidebar and editor |
| Collapsible Sidebar | Maximize workspace when needed |
| Loading States | Clear feedback during operations |
| Error Handling | Helpful error messages with details |
| Empty States | Guided prompts when there's no data |
Keyboard Shortcuts
| Shortcut | Action |
|---|---|
Cmd/Ctrl + Enter |
Execute query |
Cmd/Ctrl + Shift + F |
Format SQL |
Cmd/Ctrl + P |
Open connection picker |
Cmd/Ctrl + S |
Save query to file |
Cmd/Ctrl + O |
Open query from file |
Cmd/Ctrl + Shift + 1-9 |
Switch between connections |
Technical Highlights
| Aspect | Details |
|---|---|
| Framework | Electron with React 19 |
| Editor | Monaco (VS Code engine) |
| Database Driver | Native PostgreSQL (pg) |
| Local Storage | SQLite for history and settings |
| Security | Encrypted credential storage |
| Build Targets | macOS DMG, Windows exe/msi, Linux AppImage |
What data-peek is NOT
To set clear expectations:
- Not a database admin tool — Focus is on querying and exploring, not server management
- Not a data migration tool — No import/export of entire databases
- Not multi-database — PostgreSQL only (MySQL/SQLite coming in future versions)
- Not enterprise software — Built for individual developers (team features coming with Cloud tier)
Comparison with Alternatives
| Feature | data-peek | pgAdmin | DBeaver | TablePlus |
|---|---|---|---|---|
| Startup Time | < 2s | 5-10s | 10-15s | 2-3s |
| Memory Usage | Low | High | Very High | Low |
| Learning Curve | Minimal | Steep | Steep | Minimal |
| Price | Free + $29 Pro | Free | Free/Paid | $69 |
| PostgreSQL Focus | Yes | Yes | No | No |
| ER Diagrams | Yes | Yes | Yes | Yes |
| Inline Editing | Yes | Yes | Yes | Yes |
| Query Plans | Yes | Yes | Yes | Limited |
| Modern UI | Yes | No | No | Yes |
Coming Soon
Features planned for future releases:
- MySQL and SQLite support
- SSH tunnel connections
- Saved queries / snippets library
- Query cancellation
- CSV data import
- Connection groups/folders
- Cloud Sync — Sync connections and saved queries across devices
- Team Features — Share queries and connections with your team
Screenshots
[Add screenshots here]
- Connection dialog
- Query editor with results
- Schema explorer tree
- ER diagram view
- Query execution plan
- Inline data editing
- Dark/Light theme comparison
One-Liner Descriptions
For various marketing contexts:
Tagline:
Peek at your data. Fast.
Short (10 words):
A fast, beautiful PostgreSQL client for developers who value simplicity.
Medium (25 words):
data-peek is a lightweight PostgreSQL desktop client with a modern UI, keyboard shortcuts, and features like ER diagrams and query plans — without the bloat.
Long (50 words):
data-peek is the PostgreSQL client developers actually want to use. Lightning-fast startup, Monaco-powered SQL editor, visual ER diagrams, query execution plans, inline data editing, and a beautiful dark/light UI. No telemetry, no subscriptions, no bloat. Pay once, own forever. Available for macOS, Windows, and Linux.
Document generated: November 2025