mint utilities

Profile a CSV, TSV, XLSX or JSON table: row and column counts plus type, nulls, distinct values, min, max and samples for every column. Cost: 1 credit per call. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: JSON. {rows, cols, columns: [{name, inferred_type, null_count, distinct_count, distinct_capped, min, max, sample}]}

Latest and historical euro foreign exchange reference rates from the European Central Bank, with conversion between any two of its currencies. Cost: 1 credit per call. Output: JSON. latest: {base, date, rates}; convert: {amount, from, to, rate, result, date_used}; history: {base, quote, series[{date, rate}]}

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. Cost: 1 credit per call. Output: JSON. {name, type, status, records:[{type, value, ttl}], count, resolver, elapsed_ms}

Public holidays of any of about 250 countries and regions for a given year, with optional subdivision, language and category. Cost: 1 credit per call. Output: JSON. {country, year, subdiv, holidays:[{date, name}], count}

Render an HTML snippet to a PNG, JPEG or WEBP image at any width, with retina scaling and transparent background. Cost: 3 credits per call. Output: a file (image/png | image/jpeg | image/webp) returned inline, at most 1 MiB. The rendered image

Turn an HTML document into a print-ready PDF with page size, margins, orientation and page-numbered header and footer. Cost: 3 credits per call. Output: a file (application/pdf) returned inline, at most 1 MiB. The PDF document

Convert and resize images between PNG, JPEG, WEBP, GIF, BMP, TIFF and ICO, with quality, fit modes, transparency handling and optional metadata stripping. Cost: 1 credit per call. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: a file (image/png | image/jpeg | image/webp | image/gif | image/bmp | image/tiff | image/x-icon) returned inline, at most 1 MiB. The converted image

Reverse DNS name and registry record (network block, name, country) of a public IP address, from open registry data only. Cost: 1 credit per call. Output: JSON. {ip, version, is_private, reverse_dns, reverse_dns_all, network{name, country, ...}}

Look up ISO 3166 country and subdivision codes, ISO 4217 currency codes and ISO 639 language codes by code or name fragment. Cost: 1 credit per call. Output: JSON. {type, query, results:[{alpha_2, alpha_3, numeric, name, ...}], count, total, truncated}

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. Cost: 1 credit per call. Output: JSON. {valid, errors: [{index, path, message, validator}], count}; meta: {draft, instances, truncated?}

Convert text between JSON and YAML with safe parsing, indent, key sorting and minify options, and line-accurate error messages. Cost: 1 credit per call. Output: a file (application/json | application/yaml) returned inline, at most 1 MiB. converted.json or converted.yaml; meta: {from, to}

Check a KDP paperback interior and cover PDF against Amazon's published file specs and get a signed report. Cost: 5 credits per call. File inputs (interior, cover): base64 string, data: URI or {"url": "https://..."}. Output: JSON. {id, verdict: pass|warn|fail, label, ruleset, specs_date, created_at, files: {interior, cover?: {name, sha256, bytes}}, interior: {trim, pages, bleed, gutter_in, ...}, cover?, checks: [{id, part, status, title, detail}], signature, verify_url}

A ready-to-upload KDP paperback puzzle book: interior PDF, wrap cover, signed file check, previews and listing notes. Cost: 500 credits per call. Output: a file (application/zip) returned inline, at most 1 MiB. ZIP: interior.pdf, cover.pdf, check-report.pdf/.json, preview/*.png, listing.txt, README.txt

Look up a KDP file check report by id and confirm its signature and file fingerprints. Free tier only (credits do not apply to this tool). Output: JSON. {found, genuine, report?}

Full cover size, spine width, safe areas, barcode box, gutter and margins for an Amazon KDP paperback, with an optional PDF cover guide. Cost: 1 credit per call. Output: JSON. {valid, problems[], ruleset, specs_date, trim, pages, paper, page_limits, cover: {width_in, height_in, spine_in, bleed_in, width_px_300dpi, height_px_300dpi, spine_text_allowed, back_safe, front_safe, spine_text_box, barcode_area}, interior: {page_width_in, page_height_in, bleed…

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. Cost: 1 credit per call. Output: a file (text/html | application/pdf) returned inline, at most 1 MiB. document.html / fragment.html (text/html; charset=utf-8) or document.pdf. meta: {format, theme, title, headings, bytes, pages?}. pdf costs 3 credits, html and fragment 1.

Read a PDF's page count, encryption flag, metadata, page sizes in millimetres, text-layer presence and bookmark count. Cost: 1 credit per call. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: JSON. {page_count, encrypted, password_required, metadata: {title, author, subject, creator, producer}, page_sizes_mm: [{n, width, height}] (first 50 pages), has_text, outline_count}

Merge 2 to 20 PDF files into one document in the order given, optionally keeping their bookmarks. Cost in credits: ceil(total pages / 20), minimum 1. File input (files): base64 string, data: URI or {"url": "https://..."}. Output: a file (application/pdf) returned inline, at most 1 MiB. merged.pdf; meta: {page_count, files}

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. Cost in credits: ceil(pages written / 20), minimum 1. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: a file (application/pdf | application/zip) returned inline, at most 1 MiB. part_01.pdf when there is one part, otherwise split.zip holding part_01.pdf ...; meta: {parts, page_count}

Extract the text of a PDF page by page, with page selection and an optional layout-preserving mode. Cost in credits: ceil(pages extracted / 20), minimum 1. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: JSON. {page_count, pages: [{n, text}], chars}; meta.note when the PDF has no text layer.

Turn text or a URL into a crisp QR code as PNG or SVG, with size and error-correction control. Cost: 1 credit per call. Output: a file (image/png | image/svg+xml) returned inline, at most 1 MiB. The QR image

Look up the public registration record of a domain, IP address or AS number from its registry's RDAP service, without personal contact data. Cost: 1 credit per call. Output: JSON. Normalised registration record: domain, IP network or autonomous system

Capture a public web page as a PNG, JPEG or WEBP image: any viewport size, full page, retina scaling, optional cookie-banner hiding. Free tier only (credits do not apply to this tool). Output: a file (image/png | image/jpeg | image/webp) returned inline, at most 1 MiB. The screenshot

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. Cost: 1 credit per call. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: a file (image/png) returned inline, at most 1 MiB. The rendered PNG

Convert tables between CSV, TSV, XLSX and JSON with format, delimiter and encoding detection, header control and exact number and date handling. Cost in credits: 1 credit; 2 credits when the output is xlsx. File input (file): base64 string, data: URI or {"url": "https://..."}. Output: a file (text/csv | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | application/json) returned inline, at most 1 MiB. The converted table. meta: {rows, cols, from, to, sheet?, sheets?, encoding?, delimiter?}.

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. Cost: 1 credit per call. Output: JSON. convert: {input, output, offset_from, offset_to, dst_from, dst_to, utc, ...}; info: {tz, offset, abbreviation, dst, previous_transition, next_transition}; list: {country, zones, count}