Developer Tools APIs.
Developer tool APIs are the small utilities every service ends up needing — format conversion, IDs, hashes, token decoding, DNS and WHOIS lookups. Hosted so they don't become twelve copy-pasted helpers across your repos.
Also called utility APIs, dev utility APIs or helper APIs90 services in this categoryDeveloper Tools APIs
90 servicesCorrect Text Spelling API
Send text and get it back with the spelling corrected, plus a map of every word that was changed. Built for forms, chat and user content. Try it free.
Dosvak LLCDNS Lookup API
Resolve A, AAAA, MX, TXT, NS, CNAME, SOA, PTR, and CAA records for any domain. Returns the records, TTL values, and any lookup error.
Dosvak LLCDomain WHOIS Lookup API
Get a domain's WHOIS record from a single query. Returns the registrar, expiry date, creation date, status, contact emails, and name servers.
Dosvak LLCConvert Raw JSON to CSV API
Convert a JSON array of objects into a CSV string with auto-generated headers. Built for exports, reports, and spreadsheet-friendly interchange.
Dosvak LLCConvert Raw CSV to JSON API
Convert a CSV string into a JSON array of objects keyed by the header row. Returns parsed rows in data with a total count for imports.
Dosvak LLCDetect File type API
Inspect a file's magic bytes to return the filename, extension, MIME type, and description. Built for validating uploads and classifying files.
Dosvak LLCExtract Readable Content from HTML API
Send raw HTML & get back the main article content, title and short title, with navigation, ads & boilerplate stripped. Reader mode for your pipeline. Free tier.
Dosvak LLCExtract Text from HTML API
Extract clean text from raw HTML, with optional URL support for better results. Returns the text and its length for scraping, indexing, and NLP.
Dosvak LLCExtract Text from PDF Document API
Extract text from a PDF and receive full document text, a page count, and per-page text. Built for search, review, and document automation.
Dosvak LLCConvert Raw JSON to XML API
Convert a JSON object into a well-formed XML string, with an optional root tag. Built for legacy integrations and format conversion.
Dosvak LLCConvert Raw XML to JSON API
Convert XML strings into JSON while preserving attributes and text nodes. Built for parsing feeds, legacy integrations, and data normalization.
Dosvak LLCCSV & JSON Data Cleaning and Deduplication
Analyze CSV text or JSON records for duplicates and cleanup issues. Set key, required, and numeric columns before loading data into your system.
Which Developer Tools API do you need?
The question you arrived with, and the endpoint that answers it.