# mint free tools > Free online tools that convert, render and check files and data. One page per tool, real results, no login for the first 20 runs a day. The same engine is a metered API. ## Tools - [Profile a CSV or Excel file online](https://utils.voiddo.com/csv-profile/): Profile a CSV, TSV, XLSX or JSON table: row and column counts plus type, nulls, distinct values, min, max and samples for every column. - [Convert currencies with ECB exchange rates](https://utils.voiddo.com/currency-rates/): Latest and historical euro foreign exchange reference rates from the European Central Bank, with conversion between any two of its currencies. - [DNS record lookup online](https://utils.voiddo.com/dns-lookup/): Look up A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV or PTR records of a public name through the Cloudflare and Google public resolvers. - [Public holidays by country and year](https://utils.voiddo.com/holidays-lookup/): Public holidays of any of about 250 countries and regions for a given year, with optional subdivision, language and category. - [Convert HTML to an image online](https://utils.voiddo.com/html-to-image/): Render an HTML snippet to a PNG, JPEG or WEBP image at any width, with retina scaling and transparent background. - [Convert HTML to PDF online](https://utils.voiddo.com/html-to-pdf/): Turn an HTML document into a print-ready PDF with page size, margins, orientation and page-numbered header and footer. - [Convert and resize images online](https://utils.voiddo.com/image-convert/): Convert and resize images between PNG, JPEG, WEBP, GIF, BMP, TIFF and ICO, with quality, fit modes, transparency handling and optional metadata stripping. - [IP address lookup online](https://utils.voiddo.com/ip-lookup/): Reverse DNS name and registry record (network block, name, country) of a public IP address, from open registry data only. - [Look up ISO country, currency and language codes](https://utils.voiddo.com/iso-codes/): Look up ISO 3166 country and subdivision codes, ISO 4217 currency codes and ISO 639 language codes by code or name fragment. - [Validate JSON against a JSON Schema online](https://utils.voiddo.com/json-schema-validate/): Validate a JSON document, or up to 1000 of them, against a JSON Schema (draft 7, 2019-09 or 2020-12) and list every error with its path. - [Convert JSON to YAML and back online](https://utils.voiddo.com/json-yaml-convert/): Convert text between JSON and YAML with safe parsing, indent, key sorting and minify options, and line-accurate error messages. - [Render Markdown to HTML online](https://utils.voiddo.com/markdown-render/): Render Markdown to a sanitised HTML page or fragment, or to a PDF, with tables, fenced code, heading anchors, an optional table of contents and a choice of themes. - [Read PDF page count and metadata online](https://utils.voiddo.com/pdf-info/): Read a PDF's page count, encryption flag, metadata, page sizes in millimetres, text-layer presence and bookmark count. - [Merge PDF files online](https://utils.voiddo.com/pdf-merge/): Merge 2 to 20 PDF files into one document in the order given, optionally keeping their bookmarks. - [Split a PDF by page range online](https://utils.voiddo.com/pdf-split/): Split a PDF into parts by page ranges such as '1-2,5-' or every N pages, returned as one PDF or a zip of parts. - [Extract text from a PDF online](https://utils.voiddo.com/pdf-text/): Extract the text of a PDF page by page, with page selection and an optional layout-preserving mode. - [Create a QR code online](https://utils.voiddo.com/qr-code/): Turn text or a URL into a crisp QR code as PNG or SVG, with size and error-correction control. - [Domain registration lookup (RDAP) online](https://utils.voiddo.com/rdap-lookup/): Look up the public registration record of a domain, IP address or AS number from its registry's RDAP service, without personal contact data. - [Take a website screenshot online](https://utils.voiddo.com/screenshot/): Capture a public web page as a PNG, JPEG or WEBP image: any viewport size, full page, retina scaling, optional cookie-banner hiding. - [Convert SVG to PNG online](https://utils.voiddo.com/svg-to-png/): Render an SVG document to a PNG at a chosen width, height or scale and background; external files, network references and XML entities are never loaded. - [Convert CSV, Excel and JSON tables online](https://utils.voiddo.com/tabular-convert/): Convert tables between CSV, TSV, XLSX and JSON with format, delimiter and encoding detection, header control and exact number and date handling. - [Convert time between time zones online](https://utils.voiddo.com/timezone-convert/): Convert a date and time between IANA time zones with exact daylight-saving handling, inspect a zone's offset and transitions, or list a country's zones. ## API - [llms.txt](https://data.voiddo.com/llms.txt): endpoints, inputs and curl examples for every tool - [OpenAPI](https://data.voiddo.com/openapi.json) - [Credits](https://extensions.voiddo.com/mint/buy/?src=utils): prepaid packs, one-time