Stop wasting time on timestamps, JSON & JWTs.
Instant developer tools for converting epochs, decoding JWTs, formatting JSON, diffing payloads, and generating type schemas without extra friction.
All Tools
Everything you need, nothing you don't.
Six focused tools. No sign-up, no fluff, no bloat. Just open and use.
Epoch Converter
Convert unix timestamps to human-readable dates. Auto-detect seconds vs milliseconds with instant multi-format output.
Timezone Converter
Compare a date and time across multiple timezones side by side. Supports all IANA timezone identifiers.
JWT Decoder
Decode and inspect JWT tokens instantly. View header, payload, and claims with expiry visualization.
JSON Formatter
Format, validate, and minify JSON. Instant syntax highlighting with precise error messages.
JSON Diff
Compare two JSON payloads and identify added, removed, and changed fields with a clean visual diff.
Schema Generator
Generate JSON Schema, TypeScript interfaces, C# models, and Python dataclasses from any JSON sample.
Why timedev
Serious tools for serious developers.
Fast by default
Every tool runs entirely in your browser. No round trips, no loading spinners. Results appear as you type.
Built for debugging
Tools surface common mistakes before you ask — malformed timestamps, expired tokens, syntax errors — with clear diagnostics.
Consistent everywhere
All tools share a design language. Each one you open feels instantly familiar — same layout, same shortcuts, same quality.
The Platform
More than a converter.
timedev is a growing platform organized around the common workflows of backend, fullstack, and platform engineers. Every tool is built to production quality — not demo quality.
The architecture is designed to grow. Tools share a consistent design language, data formats, and keyboard patterns so switching between them costs nothing.
Epoch Converter
Timezone Converter
Duration Calculator
Cron Parser
JWT Decoder
JSON Formatter
Base64 Encoder
URL Encoder
YAML ↔ JSON
JSON Diff
Text Diff
AI Diff Explainer
Schema Generator
UUID Generator
Mock Data
Dataclass Generator
Custom Tooling
Need custom developer tools or AI automation for your team?
We design and build internal developer tooling, data workflows, and AI-powered automation for teams that want cleaner operations and less manual work.
Get in touch