Utilities for office work and development

Combine several PDF files into one document in the order you choose. Runs entirely in your browser, so nothing is uploaded and there is no file limit per day.

Pull selected pages out of a PDF with a range like 1-3, 5, 8-, or break every page into its own file. Done in your browser, so the document is never uploaded.

Rotate individual pages, delete the ones you do not need and change the page order of a PDF, then export a new file. Everything happens in your browser; nothing is uploaded.

Turn each page of a PDF into a PNG or JPG image at 72, 150 or 300 dpi. Pick the pages you need and download them one by one or all at once.

Turn JPG, PNG and WebP images into a single PDF, one image per page, with A4, Letter or fit-to-image pages and optional margins. Converted in your browser, nothing uploaded.

Pull the text out of a PDF and copy it or save it as a .txt file. Lines are rebuilt page by page, with optional page separators, right in your browser.

Shrink an image and dial back the quality to cut its file size. It also converts between JPEG, PNG and WebP.

Compress JPEG, PNG and WebP images to a target file size such as 500 KB, or pick a quality level. Batch several photos at once, entirely in your browser.

Crop a photo by dragging a selection box, lock it to 1:1, 4:3, 16:9 or a custom ratio, and save as JPG, PNG or WebP. Runs entirely in your browser.

Strip EXIF, GPS location, XMP, ICC and C2PA provenance data from JPEG, PNG and WebP photos before you share them. Shows what was found. Batch, in your browser.

Remove the background from a photo with AI, right in your browser. Product shots, profile pictures and cutouts become transparent PNGs. The image is never uploaded; only the model is downloaded once.

Convert Markdown into a real .docx file with Word heading styles, lists, tables and code blocks. Runs in your browser, nothing is uploaded.

Write Markdown and see the rendered page as you type. The converted HTML can be copied out too.

Counts characters with and without spaces, plus words, lines, paragraphs, and UTF-8 bytes. Useful whenever a field has a length limit.

Change case, sort lines, drop duplicates, tidy up whitespace. Pick the steps you want and they run in the order you picked them.

Turn plain text into bold, italic, script, gothic, outline, circled, upside-down and other Unicode styles you can paste into Instagram bios, tweets, usernames and chats.

Have your browser read text aloud with the voices installed on your device. Choose the language and voice, adjust speed, pitch and volume, and follow along with word highlighting.

Work out VAT from either the net amount or the gross total, at a 10% rate. Percentage change and share calculations are included.

Convert between 30 currencies using the European Central Bank daily reference rates. The rate date is always shown, and the conversion happens in your browser.

Monthly payment, total interest and a full amortization schedule for any loan. Compare equal payment, equal principal and interest-only repayment; download as CSV.

Calculate your body mass index from height and weight in metric or imperial units. Shows both the WHO and Asia-Pacific categories and your healthy weight range.

Count the days and the working days between two dates. Also works forwards: the date a number of days or working days from now.

Your exact age in years, months and days from your date of birth, plus days lived, the weekday you were born, a next-birthday countdown, Korean age and zodiac signs.

Convert a date and time between any time zones, see the UTC offset and whether it falls in working hours, and find meeting slots that suit every city at once.

Convert length, weight, temperature, area, volume and data size between units. Metric and imperial side by side.

Pick a length and the character types you want, and get a password you can actually rely on. The strength is shown alongside, and look-alike characters can be left out.

Draw winners from a list of names or shuffle the whole list into a new order. There is also a number draw for a range you choose.

Turn a table copied out of a spreadsheet into Markdown, HTML, or CSV. Paste it and all three come out at once.

Produce filler text for checking a layout, in English, Korean, Japanese, Chinese, or Spanish. Take it by the word, the sentence, or the paragraph.

Turn a link or a piece of text into a QR code. Choose the size and the colors, then save it as an image.

Indent JSON so you can read it, or squeeze it onto one line. Syntax errors are reported with the line they are on.

Convert text or files to Base64 and back, including the URL-safe variant you can drop straight into a query string.

Percent-encode the characters a URL cannot carry, and decode them back. Paste a whole URL to see its query string laid out as a table.

Unpack the header and payload of a JWT and read the issued-at and expiry claims as real dates.

Compute the MD5, SHA-1, SHA-256 and SHA-512 hashes of a piece of text or a file. Handy for checking that a download arrived intact.

Generate as many version 4 UUIDs as you need, in uppercase or with the hyphens stripped out.

Turn a Unix timestamp into a readable date, or a date into a timestamp, and see the same moment across several time zones.

See what a regular expression actually matches as you type it. Capture groups and named groups are laid out in a table.

Spells out in plain English when a cron expression fires, and lists the next five run times.

Highlights what changed between two blocks of text. Compare line by line or word by word.

Convert between HEX, RGB and HSL, and check whether a text and background pair clears the WCAG contrast requirement.

Turn a JSON array into CSV, or a CSV back into JSON. Choose the delimiter and say whether the first row holds column names.

Turn HTML or copied web content into clean Markdown in your browser. Strip images and links, and see how many LLM tokens you save.

Count GPT tokens (o200k_base and cl100k_base) for any text in your browser, with a labelled estimate for Claude and Gemini and a view of how the text is split.

Convert YAML to JSON and JSON to YAML in your browser. Auto-detects the input, handles multi-document YAML, and reports syntax errors with the line number.

Beautify SQL with consistent indentation and keyword casing, or minify it onto one line. Supports MySQL, PostgreSQL, SQLite, SQL Server, BigQuery, Snowflake and Oracle.

See the public IP address the internet sees you from, plus the browser facts every site can read: user agent, screen size, time zone and language.

Check any HTTPS site: who issued the certificate, how many days it has left, which names it covers and which TLS version the server negotiated.

Look up A, AAAA, CNAME, MX, NS, TXT and SOA records for any domain, with the TTL of each answer, straight from a public resolver.

Look up the registration record of a domain: registrar, creation and expiry dates, nameservers and status codes, straight from the registry that answers.