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New capabilities

Fresh in the kit — just landed.

New✅ ValidationCosta Rica ID number validatorEnter 1-0234-0567 and you learn it is a valid personal cédula, stored as 102340567 and shown in its usual hyphenated…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica severance calculatorThirty months on an average ₡600,000, then a dismissal without just cause: the settlement comes to ₡2,040,000 in notice…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica employer payroll charges 2026A ₡1,000,000 monthly salary costs a Costa Rican employer ₡1,268,300 in 2026, because ₡268,300 in social charges, the…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica net salary calculator 2026On ₡1,000,000 gross a month, an employee in Costa Rica takes home ₡883,500 in 2026: ₡108,300 goes to the CCSS and ₡8,200…NNitroRuns in your browserFreeOpen →New💰 Finance & moneyCosta Rica aguinaldo calculatorYour aguinaldo is one twelfth of everything earned from 1 December to 30 November: twelve months at ₡600,000 come to an…NNitroRuns in your browserFreeOpen →New➗ MathNull space calculatorThe rows (1, 2, 3) and (2, 4, 6) have rank 1, so their null space needs two basis vectors: (−2, 1, 0) and (−3, 0, 1).SsamuraiRuns in your browserFreeOpen →New➗ MathLogical NOR calculatorFalse NOR false is true, and every other pair gives false. Enter two true-or-false values and get the NOR result with…PPavilionRuns in your browserFreeOpen →New➗ MathMultiply complex numbersMultiply two complex numbers in rectangular form: (1 + 2i)(3 + 4i) gives −5 + 10i, using (ac − bd) + (ad + bc)i with i²…AabuelaRuns in your browserFreeOpen →New➗ MathMöbius strip calculatorGive the band width and the centreline radius and get the Möbius strip's area and its single edge: a band 1 wide on a…SsamuraiRuns in your browserFreeOpen →New➗ MathLong multiplication calculatorMultiply two whole numbers the schoolbook way and see every partial product: 123 times 45 gives the rows 615 and 4920…AabuelaRuns in your browserFreeOpen →New➗ MathMean calculatorAdd up a list and divide by how many numbers it holds: 2, 4, 6, 8 and 10 sum to 30, so the mean is 6.PPavilionRuns in your browserFreeOpen →New➗ MathLog2 calculatorEnter a positive number and get its base-2 logarithm, the power of two that produces it: log2 of 8 is 3, of one half is…SsamuraiRuns in your browserFreeOpen →

Popular capabilities

Most viewed first; free tools win ties.

#1📈 SEOValidate a redirect mapCatch redirect mistakes while the map is still a file: in /a → /b → /c → /d, the route from /a takes three hops and is…GGalaRuns in your browserFreeOpen →#2📄 Documents & PDFConvert HTML to PDFTurn an invoice template or a rendered report written in HTML into a PDF that looks exactly like the page a modern…NNitroAPI$0.040Open →#3📄 Documents & PDFJPG to PDFThree photos of a damaged part, or several receipts snapped on a phone, become one PDF with one page per image, in the…NNitroAPI$0.002Open →#4📄 Documents & PDFURL to PDFKeep a competitor's advertised claims, a government notice or a partner's terms exactly as they appeared on a given…NNitroAPI$0.040Open →#5🌐 TranslationSort a list alphabeticallyWith Spanish rules, “nandu” comes before “ñandú” and “Ñoño”, and “Ángel” sits right after “angel” instead of at the end…GGalaRuns in your browserFreeOpen →#6✅ ValidationValidate a phone numberType +34 600 11 12 22 and you get +34600111222, confirmed as a valid Spanish number of 11 digits, ready for your contact…NNitroRuns in your browserFreeOpen →#7✅ ValidationColor contrast checkerKnow whether text will stay readable for everyone, whatever your own screen shows: dark gray #111827 on white has a…GGalaRuns in your browserFreeOpen →#8🖼️ ImagesAdd a logo to a QR codeAdd your logo to the center of a QR code without breaking it: the error-correction level, the logo's size and the blank…NNitroRuns in your browserFreeOpen →#9🕸️ Web Scraping & MonitoringRemove tracking parameters from a URLTwo UTM tags gone, the id parameter kept and nothing else in the link touched: paste a link to strip known tracking…GGalaRuns in your browserFreeOpen →#10📄 Documents & PDFSplit a PDFCut a three-page PDF every two pages and you get two files: pages 1 and 2, then page 3.NNitroAPI$0.002Open →#11📄 Documents & PDFExtract text from a PDFGet the words a native PDF already contains as plain text in reading order, without fonts, columns or coordinates…NNitroAPI$0.002Open →#12✍️ Text & AISummarize a textNobody on your team has to skim a 4,000-word document again to find the three sentences that matter: paste it in and get…NNitroAPI$0.003Open →

Find your tool

Search in your own words or filter by category.

✍️ Text & AIAPI
Product attributes
From 'Camiseta algodón orgánico, talla M, azul marino' you get the four attributes your filters need as separate values, and 'classic oak finish' is read as a…
NNitro
$0.003
✍️ Text & AIAPI
Normalize product data
'iPhone 13 128GB Blk', 'Apple iPhone-13 128 GB Black' and 'IPHONE13 BLACK 128G' come back as one clean name, so three supplier listings collapse into one…
NNitro
$0.003
✍️ Text & AIAPI
Analyze logs
Out of fifty thousand log lines from a 3am incident, get the dozen that explain what broke: repeated errors, unusual spikes and telling sequences, grouped and…
NNitro
$0.003
🌐 TranslationAPI
Translate text
One translation tool covers more than 100 languages, from a French storefront to a Korean support inbox and an Arabic terms page.
NNitro
$0.003
🌐 TranslationAPI
Translate an HTML page
Only what a visitor reads changes language: visible text, image alt text, title tooltips and the meta description.
NNitro
$0.003
🌐 TranslationAPI
Translate a JSON locale file
Send en.json and get fr.json back with the same keys, the same nesting and only the text translated; a value like 3 or true comes back untouched.
NNitro
$0.003
🌐 TranslationAPI
Translate a CSV
Translate a spreadsheet without breaking it: pick the title and description columns of a 5,000-row product feed and only those change, while SKU, price and…
NNitro
$0.003
🌐 TranslationAPI
Translate Markdown
A # heading stays a heading, a bulleted list stays a list, and a link label is translated while its URL keeps pointing where it did.
NNitro
$0.003
🌐 TranslationAPI
Translate subtitles
A cue that runs from 00:00:01,000 to 00:00:03,000 still runs from 00:00:01,000 to 00:00:03,000 after translation: only the dialogue changes.
NNitro
$0.003
🌐 TranslationAPI
Translate a PDF
Send a two-column contract or a certificate of origin and get back a new PDF in the target language, with the same page breaks, the same tables and headers and…
NNitro
$0.011
🌐 TranslationAPI
Translate a Word document
Get a translated Word file you can keep editing, not a flat copy: headings, tables, numbered clauses and paragraph styles come back where they were, ready for…
NNitro
$0.057
🌐 TranslationAPI
Translate with a glossary
Supply your glossary and 'Workspace' stays 'Workspace' in every language, while 'sociedad anónima' always gets the same fixed English phrase.
NNitro
$0.003
🌐 TranslationAPI
Translate formal or informal
Choose usted or tú, Sie or du, vous or tu before you translate, and the whole text keeps that register: formal for a bank's account notice, casual for a youth…
NNitro
$0.003
🌐 TranslationAPI
Translate keeping the tone
A tagline built on a pun, an urgent sale subject line or a witty caption keeps its punch in the new language instead of flattening into a correct, forgettable…
NNitro
$0.003
🌐 TranslationAPI
Translate for SEO
In Mexico, 'running shoes' translated word for word becomes 'zapatos para correr', yet searches cluster around 'tenis para correr'.
NNitro
$0.003
🌐 TranslationAPI
Translate a product catalog
Localize a 10,000-item catalog in one job instead of one product at a time: titles, descriptions, sizes, colors and materials come back translated, each still…
NNitro
$0.003
🌐 TranslationAPI
Translate an email
Answer customers in languages nobody on your team speaks: a five-person support team can handle tickets in eight languages by translating each email on arrival…
NNitro
$0.003
🌐 TranslationAPI
Translate code comments
Make an inherited codebase readable for a new team: line comments, block comments and docstrings are translated into your language, while the code, text…
NNitro
$0.003
🌐 TranslationAPI
Transliterate
A Russian surname has no English meaning to translate: it needs the Latin letters a passport officer, a shipping label or a database can read.
NNitro
$0.003
🌐 TranslationAPI
Explain slang
'Break a leg' wishes good luck rather than warning of an injury, and 'tirar la toalla' means giving up.
NNitro
$0.003
🌐 TranslationAPI
Adapt regional variants
Turn a support macro written in Spain into Mexican Spanish: coche becomes carro, móvil becomes celular and vosotros becomes ustedes, while meaning, tone and…
NNitro
$0.003
🌐 TranslationAPI
Back-translate to check
Find out whether a translation really says what the original says: the text is translated back into your language and compared, flagging a lost negation, a…
NNitro
$0.003
🌐 TranslationAPI
Translate text in a photo
Send a photo of a restaurant menu taken in Tokyo and you get back the recognized Japanese text and its translation together, with no separate reading step and…
NNitro
$0.011
🕸️ Web Scraping & MonitoringAPI
Screenshot a website
Turn any web address into a PNG image of what a visitor sees on screen, captured by a real browser once the page and its scripts have finished loading.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Full-page screenshot
Get an entire web page in one tall image, from the header to the footer: the page is scrolled to its full height, so images that load on the way down and…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Mobile screenshot
See a page exactly as a phone, tablet or desktop screen shows it: the page is drawn at that screen's real width and pixel density, or at a custom width, so…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Screenshot one element
Capture just one part of a page, such as a price block, a chart or a table, by giving its CSS selector, and the image is cropped to that element alone, with no…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Scheduled screenshots
Register a page once with a daily or weekly rhythm: each run opens it in a real browser and compares it with the previous render, and you hear about it only…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Render a JavaScript page
Get the HTML of a page as a visitor's browser finishes it, after its scripts have run and the content has loaded, instead of the near-empty shell a plain…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Web page to Markdown
Give it a page's address and get its headings, paragraphs, lists, tables, links and code blocks as standard Markdown, with navigation, footers and ads left out.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Web page to text
Point it at a page and keep only the words: paragraphs in reading order, without tags, scripts, menus or formatting marks.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Extract an article
A news story of about 400 words often sits inside 4,000 words of clutter; this pulls out only the article: title, author and date when available, and the body…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Scrape a website
Give a page address and a short list pairing names like price or title with CSS selectors, and get exactly those values back, name by name: one match gives a…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Scrape with AI
Write a sentence like "the product name, the price and whether it is in stock" and get exactly those details back, taken from what the page actually shows.
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Scrape to a schema
Define the exact shape you need, with required details, value types and nested lists, and get page data checked against it before delivery: a product comes back…
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Crawl a website
Give a starting address and the crawler follows links across the same site, up to 25 pages, reading robots.txt first and skipping any path it forbids.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Extract links
Paste a page address and get every link on it, from internal pages and external sites to in-page anchors, email and phone links, each with its visible text and…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Extract images
A page has forty images and you need to know which ones lack a description: paste its address and get each image with its full address and alt text exactly as…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Web table to CSV
Give it a page with a pricing grid, a schedule or a public dataset and get the table back as CSV, its header row naming each column and rows kept in order.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Audit contact details
Enter the address of one of your pages and get back every email address, phone number and social profile link published on it, exactly as it appears, with…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Link preview
Give it any web address and get the title, description, image and site name that would appear on a shared link card.
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Find the RSS feed
Give it any page of a site and get back its working RSS or Atom feed address, even when nothing on the page links to it: it checks the page itself, then usual…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Create an RSS feed
Point it at a page that never offered a feed, such as a town hall's notices, mark the block that repeats for each entry, and get a valid RSS feed of up to 50…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Extract product data
Turn any product page into the same four facts: name, current price, stock or availability status and product images, laid out identically whichever store or…
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Extract a price
Point it at a product page and get back the price a buyer would actually pay, with its currency, plus the struck-through original price and the discount when…
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Check if it's in stock
Find out if a product is in stock, sold out, running low or on preorder, read from the page exactly as a shopper sees it, and get a clear status plus the text…
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Extract reviews
Turn a page full of customer reviews into a clean list: each review's rating, text, author and date, plus the overall average and the number of reviews.
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Extract a job posting
Paste a job posting and get its title, company, location, employment type, salary range when disclosed and core requirements as tidy, comparable data, however…
NNitro
$0.046
🕸️ Web Scraping & MonitoringAPI
Monitor a page for changes
Point it at a vendor's terms of service or a regulator's notices page, choose how often to check, and get notified only when the visible text actually differs…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Monitor visual changes
Catch the checkout page that turned into unstyled text or the hero image that broke, even when the page's text is identical.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Track a price
Point it at a competitor's or supplier's product page and get told when the price moves, read the way a shopper sees it, even when a crossed-out original sits…
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Back-in-stock alerts
Point it at a sold-out product page and hear the moment availability changes, read from the in-stock label, the add-to-cart button or the quantity shown.
NNitro
$0.040
🕸️ Web Scraping & MonitoringAPI
Monitor a keyword
Watch a page for one word, such as a status page that stops saying operational or a notice that swaps pending for approved, and learn whether the term appeared…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Monitor uptime
Decide how often a site is checked, every few minutes for a critical shop or hourly for a quiet page.
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Check an SSL certificate
Check a domain's certificate before a browser warning does it for you: see who issued it, the dates it is valid, the days left before it expires and the full…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Check domain expiry
Enter a domain and get its registration expiry date, the days remaining and its basic status, read from the registration record, so a lapsed renewal never takes…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
WHOIS lookup
Type a domain and get its registrar, creation and expiry dates, status and nameservers in one clean, consistent layout, whether its registry writes Registry…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
DNS lookup
Enter a domain and get its A, AAAA, MX, TXT, NS, CNAME and SOA records in one report, so you can compare what is live with what should be after a migration or…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Check DNS propagation
Enter a domain and a record type and see what resolvers around the world answer right now, grouped so you spot at a glance which already show the new value and…
NNitro
$0.002
🕸️ Web Scraping & MonitoringAPI
Inspect HTTP headers
Enter a URL and read the full set of headers its server sent back: content type, caching rules, cookies and server identity, exactly as received.
NNitro
$0.002

How it works

1

Get your key

Create an account with your email and add balance when you need it. No subscription, no sales call.

2

Call the endpoint

One authenticated POST. The API returns a task_id immediately — copy-paste snippets in five languages on every page.

3

Collect the result

Receive a signed webhook the moment it's ready, or fetch a signed link. A failed task is never charged.

Pay only for what you use

No subscription. Free tools run in your browser; paid tasks draw from your balance, which never expires.

Free tools
$0.00

On-device utilities — hash, QR, JSON, Text→PDF and more — run in your browser. No account, no limits.

Balance
$10.00+

Top up your balance and spend it across web, API and the app. It never expires.