mint · free tools
Free online tools for files and data
22 tools, one page each. Paste or drop your input, press run, take the result. The first 20 runs a day need no account; the same engine is an API for when you need more.
Convert
- 01Convert CSV, Excel and JSON tables onlineConvert tables between CSV, TSV, XLSX and JSON with format, delimiter and encoding detection, header control and exact number and date handlingdata · 1 credit
- 02Convert JSON to YAML and back onlineConvert text between JSON and YAML with safe parsing, indent, key sorting and minify options, and line-accurate error messagesdeveloper · 1 credit
- 03Render Markdown to HTML onlineRender 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 themesdeveloper · 1 credit
- 04Convert and resize images onlineConvert and resize images between PNG, JPEG, WEBP, GIF, BMP, TIFF and ICO, with quality, fit modes, transparency handling and optional metadata strippingimage · 1 credit
- 05Create a QR code onlineTurn text or a URL into a crisp QR code as PNG or SVG, with size and error-correction controlimage · 1 credit
- 06Convert SVG to PNG onlineRender an SVG document to a PNG at a chosen width, height or scale and background; external files, network references and XML entities are never loadedimage · 1 credit
- 07Merge PDF files onlineMerge 2 to 20 PDF files into one document in the order given, optionally keeping their bookmarkspdf · 1 credit per 20 pages
- 08Split a PDF by page range onlineSplit a PDF into parts by page ranges such as '1-2,5-' or every N pages, returned as one PDF or a zip of partspdf · 1 credit per 20 pages
- 09Convert time between time zones onlineConvert 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 zonestime · 1 credit
Render
- 10Convert HTML to PDF onlineTurn an HTML document into a print-ready PDF with page size, margins, orientation and page-numbered header and footerpdf · 3 credits
- 11Convert HTML to an image onlineRender an HTML snippet to a PNG, JPEG or WEBP image at any width, with retina scaling and transparent backgroundweb · 3 credits
- 12Take a website screenshot onlineCapture a public web page as a PNG, JPEG or WEBP image: any viewport size, full page, retina scaling, optional cookie-banner hidingweb · free
Read and extract
- 13Profile a CSV or Excel file onlineProfile a CSV, TSV, XLSX or JSON table: row and column counts plus type, nulls, distinct values, min, max and samples for every columndata · 1 credit
- 14Read PDF page count and metadata onlineRead a PDF's page count, encryption flag, metadata, page sizes in millimetres, text-layer presence and bookmark countpdf · 1 credit
- 15Extract text from a PDF onlineExtract the text of a PDF page by page, with page selection and an optional layout-preserving modepdf · 1 credit per 20 pages
Validate
Look up
- 17Public holidays by country and yearPublic holidays of any of about 250 countries and regions for a given year, with optional subdivision, language and categorycalendar · 1 credit
- 18Look up ISO country, currency and language codesLook up ISO 3166 country and subdivision codes, ISO 4217 currency codes and ISO 639 language codes by code or name fragmentcodes · 1 credit
- 19Convert currencies with ECB exchange ratesLatest and historical euro foreign exchange reference rates from the European Central Bank, with conversion between any two of its currenciesfinance · 1 credit
- 20DNS record lookup onlineLook up A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV or PTR records of a public name through the Cloudflare and Google public resolversnetwork · 1 credit
- 21IP address lookup onlineReverse DNS name and registry record (network block, name, country) of a public IP address, from open registry data onlynetwork · 1 credit
- 22Domain registration lookup (RDAP) onlineLook up the public registration record of a domain, IP address or AS number from its registry's RDAP service, without personal contact datanetwork · 1 credit
Same tools, as an API
Every page here calls the public API at data.voiddo.com. Prepaid credits start at $5 for 500 credits, one-time, no subscription. Get credits · llms.txt