iLoveDevTool — Streamline Your Development
Free online tools and resources for timestamp conversion, text diff, and JSON format conversion
Featured tools
JSON & Data
JSON Formatter Online
Format, validate, and explore JSON in your browser with a tree view, exact error lines, and JSONPath, with nothing uploaded
JSON & Data
JSON Diff
Compare two JSON documents online: key order and indentation ignored, every addition, removal, and change listed by JSONPath, nothing uploaded
JSON & Data
JSON YAML Converter
JSON and YAML format conversion, supports syntax highlighting and history tracking
Latest updates
All posts →How to Run C++ Online: Compile and Run C++ in a Browser IDE, No Installation
Run C++ code online in three steps: paste, run, and type interactive input in a browser IDE with real Clang — no toolchain to install. Covers C++11–C++23 standard switching, migrating from DEV-C++ or Visual Studio, and when online running fits.
How to Make Fake Test Data: Field Types and JSON/CSV/SQL in Practice
Where does test-environment data come from? This guide covers the common fake-data field types (name, email, phone, city, company, numbers, dates) and the shape each must preserve — why ID numbers should never be generated, why phones are only shape-real, and how to avoid February 30th — plus escaping and table-creation practice for JSON, CSV, and SQL output, ending with an online generator that turns a schema into usable test data.
Turning Web Page Content into Markdown: Scenarios and Rules of HTML Conversion
Why convert web pages to Markdown by hand? This guide covers the three real scenarios (note archiving, blog migration, clean material for LLM prompts) and the core rules of conversion: heading and emphasis mapping, nested list indentation with ordered start numbers, GFM table alignment, code block language extraction with fence upgrading, and why syntax characters must be escaped by position. With the online converter and its Markdown ecosystem pairings.
Lite Plan
- Ad-free experience
- More perks coming soon
Core advantages of iLoveDevTool
Built for high-frequency developer workflows: free, fast, and privacy-first.
Efficient time tools
Convert Unix timestamps and dates, switch between time units, and process batches in one place for everyday time calculations.
Powerful text and format tools
Text diff supports side-by-side and inline views, while JSON to PHP, JSON↔YAML, and JSON→CSV cover common format conversions.
Covers common dev scenarios
Includes URL/Base64/Unicode encoding, QR generation and scanning, XML validation, and regex testing for daily development tasks.
Free core, continuously improved
Core tools stay free for individuals and small teams, with ongoing updates to help you ship faster.
Fast processing experience
Browser-side computation and lightweight interactions provide near-instant results for most operations.
Privacy-focused by design
Inputs are handled in the browser whenever possible, without relying on server-side storage of raw content.
Why choose iLoveDevTool
iLoveDevTool provides ready-to-use online utilities for time conversion, text comparison, format conversion, and code-related tasks. It supports multilingual UI and dark mode, with a strong focus on speed, usability, and data privacy.
Frequently asked questions
Quick answers about features, pricing, and privacy.
What is iLoveDevTool?
iLoveDevTool is an online utility platform with tools for time conversion, text comparison, format conversion, and code-related workflows.
How do I use the Unix timestamp converter?
Open the timestamp tool, enter a timestamp or date-time value, and get instant conversion results with seconds/milliseconds and timezone support.
When should I use the text diff tool?
It is useful for code reviews, config comparisons, and document revisions where you need to quickly spot additions, removals, and edits.
Which units are supported in the time converter?
It supports milliseconds, seconds, minutes, hours, days, and weeks, with multi-value input and fast conversion.
What JSON conversion features are available?
You can convert JSON to PHP arrays, JSON↔YAML, and JSON→CSV for API debugging, data transformation, and config migration.
Do I need an account to use the tools?
Most core tools are available without login, so you can use them directly after opening the page.
Are core tools paid?
Core capabilities are free. Some advanced features may be added progressively; please refer to in-product pricing details.
Do you store my data?
We prioritize privacy. The toolkit is designed for browser-side processing and does not target storing user input/output content.
Do you support multiple languages and dark mode?
Yes. The interface supports multiple languages and theme switching for different workflows and preferences.
How can I contact you?
You can reach us at support@ilovedevtool.com and we will follow up as soon as possible.
User feedback
Real experiences from different developer roles.
The timestamp and text diff tools are extremely practical and save me a lot of repetitive work every day.
The diff tool makes code review much faster. I can spot changes immediately and collaborate more efficiently.
The time unit converter and JSON tools are easy to use and very helpful for both learning and real tasks.
It feels fast and smooth. Great for API debugging and quick data conversions.
Our team adopted it quickly, and overall delivery speed became more stable.
Clean UI and broad feature coverage. It handles most day-to-day development utility needs.