Free
$0
The everyday toolkit.
- All browser-side tools
- No account required
- Keyboard-first workflow
- Zero data leaves your machine
UniverseSYS.01
Developer intelligence
AvailableDevStudio
A developer operating environment, not a list of tools.
DevStudio is a growing universe of developer utilities — formatters, converters, encoders, generators, inspectors and debuggers — built on one registry, one design system and one keyboard-first workflow. Thirteen tools run in your browser today; the taxonomy is built to hold a thousand.
- INPUT
- TRANSFORM
- VALIDATE
- OUTPUT
- “Format this JSON”
- “Decode this JWT”
- “Test this regex”
SYS.01 · Working surface
Not a mockup.
These three tools run right here, on this page, in your browser.
Live — client-side
// outputSYS.01 · Capability register
What it does — and what it doesn't yet.
Every capability carries its real status. That is the deal we make with you.
- JSON format, validate & minifyAvailable
With exact error positions.
- Base64 & URL encodingAvailable
Unicode-safe, both directions.
- JWT decoderAvailable
Header, payload and expiry at a glance.
- Regex testerAvailable
Ranges, groups and runaway-match guards.
- UUID, hash & slug generatorsAvailable
WebCrypto under the hood.
- Timestamp & cron utilitiesAvailable
Unix, ISO, relative, human-readable schedules.
- Everything runs client-sideAvailable
Your input never leaves the browser.
- SQL formatting & API utilitiesComing soon
- Shareable tool workspacesComing soon
- AI-assisted transformationsExperimental
Explain a regex. Draft a cron. Reshape JSON.
SYS.01 · Plans
Start free. Scale honestly.
Launch pricing — locked in for early adopters. Expensive AI features are metered, never vaguely “unlimited”.
Pro
$9/month
For the daily power user.
- Saved tool presets
- History across sessions
- AI-assisted transformations
- Priority tool requests
Business
$29/user·month
Shared tooling for teams.
- Team workspaces
- Shared presets & snippets
- API access
- Usage analytics
Enterprise
Custom
Your tools, your perimeter.
- Private deployment
- SSO & RBAC
- Audit trail
- Custom internal tools
SYS.01 · Programmable
The same engine, over HTTP.
POST
/v1/tools/json/formatFormat and validate JSON programmatically.
{
"ok": true,
"output": "{\n \"a\": 1,\n \"b\": [1, 2]\n}",
"ms": 3
}