Engineering Tools

Offline-first productivity studio for daily engineering work.

Every Data is processed offline All data is processed locally in your brower and not shared with any servers

Precision Engineering Toolkit

Single-page, offline-ready tools with a glassmorphism surface. No external calls, no trackers, and zero dependencies at runtime.

Offline Only Instant Actions Deep Tooling

JSON Beautifier

Validate, format, and sort JSON. Toggle between human-friendly pretty output and strict minified payloads.

Input JSON

Indent Sort keys Minify output

Waiting for JSON input.

Output

JSON Parser

Explore JSON with a structured tree, run path queries, and inspect node stats. Highlights keys instantly for faster audits.

JSON Input

Search keys Path lookup (dot or bracket notation)

Path output appears here.

Nodes: 0 | Max depth: 0 | Arrays: 0

Tree output will appear here.

Regex Generator

Assemble precise patterns with guardrails. Combine literals, anchors, allowed characters, and length rules. Test live and highlight matches.

Literal text (auto-escaped)

Starts with Ends with

Must contain words (comma separated)

Any order Whole word Capture group

Allowed characters (character class)

Min length Max length

Anchor start (^) Anchor end ($)

Flags: i m s u g

/./

Pattern explanation will appear here.

Test text

Matches: 0

QR Code Generator

Create QR codes locally with no network calls. Adjust size, contrast, and error correction for production-ready scans.

Text or URL

Size (px) Margin (modules)

Error Correction Dark Light

QR output will render on the right.

Cron Job Maker

Design schedules visually with multiple modes per field. Live preview, human-readable description, and next run simulation included.

Quick presets

Cron: * * * * *

Description will update as you select values.

Next 5 runs (local time)

JSON to Structure Maker

Generate clean Go structs or Python dataclasses from real JSON, with optional fields and type inference.

Input JSON

Root name Language

Go options

json tags omitempty pointers for optional detect time.Time

Python options

Optional for nullable TypedDict instead of dataclass

Ready to generate structures.

Output