Tools Hub

Web & data

Format JSON and CSV, inspect links, convert encodings and prepare tables. Work with pasted data locally without fetching or executing it.

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THE COLLECTION

Find your next shortcut

A thoughtfully organised collection. Ready when you are.

Web & data39

URL slug maker

Turn a title into a clean, readable page address.

Web & data

JSON formatter

Make JSON easier to read, or compact it for sharing.

Web & data

URL encoder

Encode or decode text for use in a web address.

Web & data

Base64 converter

Encode and decode text, including Arabic and emoji.

Web & data

CSV to JSON

Turn a CSV table with headers into structured records.

Web & data

JSON to CSV

Convert an array of records into a downloadable table.

Web & data

URL inspector

Read a web address and its query parameters without opening it.

Web & data

HTML entity converter

Escape or restore quotes, brackets and common HTML entities.

Web & data

Number base converter

Convert whole numbers between binary, decimal, octal and hex.

Web & data

JWT reader

Inspect a token’s header and payload locally.

Web & data

Campaign link builder

Add campaign labels to a link without visiting the destination.

Web & data

Email link builder

Create a link with a ready-to-write email subject and message.

Web & data

WhatsApp link builder

Make it easy for someone to start a conversation with you.

Web & data

Text ↔ hexadecimal

Convert Unicode text to UTF-8 hex bytes and back.

Web & data

JSON size analyzer

Compare the UTF-8 byte size of original, compact and formatted JSON.

Web & data

Sort JSON keys

Sort object keys throughout a JSON document while keeping array order.

Web & data

Flatten JSON paths

Turn nested JSON objects into JSON Pointer paths, keeping arrays intact.

Web & data

Restore flat JSON

Rebuild nested JSON from JSON Pointer paths created by the flatten tool.

Web & data

List JSON paths

List JSON Pointer paths to values in an object for inspection and mapping.

Web & data

Merge JSON objects

Combine two JSON objects; fields from the second replace matching top-level fields.

Web & data

Pick JSON fields

Keep chosen top-level JSON fields and export a smaller object.

Web & data

JSON table viewer

View an array of JSON records as a table with columns for their fields.

Web & data

Sort CSV rows

Sort CSV records by a named column, retaining the header row.

Web & data

Transpose CSV

Swap the rows and columns of a rectangular CSV table.

Web & data

Remove duplicate CSV rows

Remove exact duplicate CSV records while preserving the header and first occurrence.

Web & data

Select CSV columns

Choose CSV columns by their headings and export them in your chosen order.

Web & data

CSV to TSV

Convert a CSV table into tab-separated values with quoted fields preserved.

Web & data

TSV to CSV

Convert tab-separated data into a downloadable comma-separated CSV file.

Web & data

JSON Lines to JSON

Combine one JSON value per line into a single JSON array.

Web & data

JSON to JSON Lines

Export each item of a JSON array on its own line in JSON Lines format.

Web & data

Inspect a URL

Inspect a URL's protocol, host, path, query parameters and fragment without visiting it.

Web & data

Remove link tracking

Remove UTM, Facebook, Google, Microsoft and Mailchimp tracking parameters from a link.

Web & data

Resolve relative URLs

Resolve a relative path against a base URL to create an absolute HTTP or HTTPS link.

Web & data

Edit URL parameters

Add or replace URL query parameters using one name=value pair per line.

Web & data

CSV to HTML table

Create escaped HTML table markup with column headers from CSV data.

Web & data

CSV to Markdown table

Turn CSV rows into a Markdown table, escaping pipes and special characters.

Web & data

Escape Unicode characters

Represent non-ASCII text as Unicode escape sequences while preserving ordinary characters.

Web & data

Decode Unicode escapes

Restore readable text from four-digit Unicode escape sequences.

Web & data

Base64URL converter

Encode Unicode text as URL-safe Base64 or decode it back to text.

Web & data

Open a tool. Get it done.

On your device. Under your control.

Every calculation, conversion and image edit happens in your browser. Your files and text never leave this device.

Always free to use

Made for everyday work

Free to use, with no account required.
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.

Questions & answers

Are the tools free and do I need an account?

All listed tools are free to use without an account. Open a tool, try its example, then enter your own values or select a local file.

Where do my files and entered data go?

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

Do I need to install an application?

No application installation is required. Use a current browser with JavaScript enabled. Some media, PDF and background-removal tools download processing engines when first opened; processing speed depends on your device.