Runs in your browser — nothing uploaded

Every developer utility, in one fast workshop.

JSON formatting and conversion, encoders, generators, formatters and regex tools that run entirely in your browser. No ads, no uploads, no account.

80 of 80 planned tools are ready to use today.

Popular tools

Base64 Decoder

Decode Base64 back to readable text.

Encoding

Runs in your browser

Case Converter

Convert text between camel, snake, kebab, pascal, title and more.

Text

Runs in your browser

Cron Generator

Build cron expressions from a readable schedule.

Generators

Runs in your browser

JSON Formatter

Pretty-print and indent JSON with precise error positions.

JSON & Data

Runs in your browser

JSON to C#

Generate C# classes or records from a JSON sample.

JSON & Data

Runs in your browser

JSON to TypeScript

Generate TypeScript interfaces or types from a JSON sample.

JSON & Data

Runs in your browser

Browse by category

JSON & Data

Format, validate, diff and convert JSON into other formats and typed models.

11 of 11 tools ready

Encoding

Encode and decode Base64, URLs, HTML entities, Unicode and JWTs.

8 of 8 tools ready

Generators

Generate UUIDs, passwords, random strings, placeholder text and cron expressions.

6 of 6 tools ready

Code

Format and beautify SQL, XML, YAML, JavaScript, CSS, HTML and C#.

7 of 7 tools ready

Text

Transform, clean, sort and measure text and line-based data.

6 of 6 tools ready

API

Build requests, convert cURL, inspect headers and analyze API responses.

10 of 10 tools ready

Database

Convert SQL to models, generate inserts and work with connection strings.

7 of 7 tools ready

Regex

Test, explain, generate and apply regular expressions safely.

4 of 4 tools ready

DevOps

Generate Dockerfiles, Compose, Kubernetes and Nginx configuration.

6 of 6 tools ready

Numeral Systems

Convert between binary, decimal, hexadecimal, octal and bitwise operations.

5 of 5 tools ready

Networking

Calculate subnets, CIDR ranges, masks and convert between IPv4 and IPv6.

5 of 5 tools ready

Bandwidth

Convert data units, estimate transfer times and website hosting bandwidth.

4 of 4 tools ready

References

Quick lookup tables for ports, connection speeds and date-time formats.

1 of 1 tools ready