64 tools · Free and open source
Small tasks.
Useful tools.
Format a response. Inspect a database. Check a URL. Find the tool you need, work with your input, and take the result back to your project.
Open a tool and start with a paste, a file, or a sample.
Start with a tool
01 — 04JSON Formatter
Format, minify, and validate JSON. Accepts JSON5 and JSONC input.
SQLite Studio
Inspect, query, and edit SQLite databases in memory.
HTTP Inspector
Read the response headers, the security report, and the redirect chain of a URL.
EXIF & Metadata Inspector
Read EXIF, GPS, and text metadata in an image, then remove it in the browser or on the server.
The directory
Find the right tool for the task.
Data Lab
18 toolsRead a dataset, check its structure, or convert it for your next step.
Dev Lab
17 toolsTest a pattern, format code, or convert a value while you work.
Network Lab
11 toolsCheck DNS records, response headers, and certificate details.
Image Lab
6 toolsPrepare an image for the web or inspect the metadata in a photo.
Color Lab
5 toolsConvert colors, build a shade scale, and check text contrast.
Crypto Lab
7 toolsCheck a hash, inspect a token, or generate an ID or secret.
Know where your input goes.
Many tools process your input in the browser. Others need a server, such as DNS lookups and some image conversions. Each tool explains where its work runs.
Use a sample to try a tool before you add your own input. Copy the result or download it where the tool supports file output.