Free Tools for Everyday Work
111 browser-based utilities for text, spreadsheets, documents, images and code. No sign-up, no upload, no watermark - every tool runs on your own device, so whatever you paste in never leaves it.
Business
Planning aids for scoping projects and choosing what to build on.
Stack Selector
Select your project scope, budget, and features to instantly receive a vetted, modern tech stack and service recommendation.
IBAN Generator
Generate format-valid, checksum-correct IBAN numbers for any supported country for testing and QA, and validate the checksum of any IBAN.
EAN / UPC Generator
Generate valid-checksum EAN-13, EAN-8, UPC-A and GTIN-14 product codes in bulk for test catalogs, and validate the check digit of any existing code.
Barcode Generator
Render a scannable EAN-13, UPC-A, CODE128 or ITF-14 barcode from a product code and download it as a PNG for labels and store listings.
GTIN Converter
Convert product codes between GTIN-8, GTIN-12 (UPC-A), GTIN-13 (EAN-13) and GTIN-14, validate check digits, and normalise a whole catalog in bulk.
ISBN / ASIN Validator
Validate ISBN-10 and ISBN-13 check digits, convert between them, and check Amazon ASIN format in bulk.
SKU Generator
Generate consistent SKU codes in bulk from a custom pattern, with variant permutations, sequential numbering and collision checking. Free, no sign-up.
Product CSV Validator
Check a product CSV for missing columns, broken variant handles, duplicate SKUs, invalid barcodes and bad prices before you import it.
Marketplace Image Checker
Check product images against each marketplace's dimension, aspect ratio, file size and format rules before you upload them.
GST Calculator
Add or remove GST at any standard slab rate, split into CGST/SGST for intra-state supply or IGST for inter-state supply.
Profit Margin Calculator
Work out margin and markup from cost and selling price, roll shipping and duty into a per-unit landed cost, or back into the price a target margin needs.
Discount Calculator
Work out stacked/sequential discounts, a Buy-X-Get-Y-free offer's real effective discount, and whether a bundle price beats buying items individually.
Shipping Cost Calculator
Work out volumetric vs actual chargeable weight and the total shipping cost from your own courier's rate card, including fuel surcharge and COD fees.
COD & RTO Cost Calculator
Work out your own RTO rate, what a single return-to-origin actually costs, and how COD's net revenue per order compares to a discounted prepaid option.
Marketplace Fee Calculator
Enter your marketplace's commission, payment gateway, and shipping fees to see the real net payout and margin behind a listing price.
GSTIN Validator
Validate an Indian GSTIN in your browser: length, pattern, state code and the 15th-character checksum, with the exact failing check named.
UPI QR Code Generator
Turn a UPI ID into a standard UPI intent QR code and download it as a PNG. Leave the amount blank so the payer enters their own.
WooCommerce CSV Validator
Check a WooCommerce product CSV before you import it: missing columns, duplicate SKUs, orphaned variations and malformed prices, by row.
Shopify ⇄ WooCommerce CSV
Convert a product CSV between Shopify and WooCommerce column formats in either direction, with every dropped column listed explicitly.
Text & Writing
Clean up, reshape and measure written copy and plain-text lists.
Case Converter
Transform written copy into camelCase, snake_case, Sentence case, or UPPERCASE with detailed readability metrics.
Duplicate Line Remover
Delete repeated lines from any list and see how many times each entry appeared.
Line Sorter
Sort a list A to Z, by number, by length, reverse it, or shuffle the order at random.
Find & Replace
Replace text across a whole document at once, with whole-word matching and regular expression support.
Word Counter
Count words, characters, sentences and paragraphs live, with reading time and keyword density.
Text Compare
Put two versions side by side and see exactly which lines were added, removed or changed.
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, words or list items, as plain text or wrapped in HTML.
Remove Line Breaks
Turn multi-line text into one continuous line, or keep paragraph breaks while flattening within each paragraph. Join with a space, comma, or nothing.
Add Line Breaks
Split one long block of text into multiple lines - after N characters (word-aware), after a delimiter, or after every sentence.
Remove Extra Spaces
Collapse repeated spaces, trim lines, convert tabs, and remove invisible characters (non-breaking spaces, zero-width characters) from pasted text.
Remove Empty Lines
Strip blank lines out of a list or document, or collapse runs of consecutive blank lines down to a single one.
Add Prefix / Suffix
Wrap every line with the same prefix and suffix - quote each line, add a trailing comma, or build a SQL IN (...) list from a column of values.
Number Lines
Prefix every line with a sequential number - custom start value, step size, zero-padding, and separator.
Reverse Text
Reverse the character order, word order, or line order of any text.
Extract Emails & URLs
Pull every email address or URL out of a block of pasted text, deduplicated and listed one per line or comma-separated.
Strip HTML Tags
Turn HTML markup into plain text, optionally keeping line structure intact, with entities decoded back to normal characters.
Text Repeater
Repeat a piece of text a set number of times, joined by a separator of your choice.
Random Line Picker
Pick a set number of random lines from a list, with or without replacement - for raffles, sampling, or picking a random winner.
Data & Conversion
Move lists and tables between CSV, JSON, columns and delimiters.
New Line to CSV
Convert a column of lines into a comma separated list, or split a delimited list back into one item per line.
CSV to JSON
Turn a CSV or TSV table into JSON records, or flatten JSON back into a spreadsheet-ready table.
Timestamp Converter
Convert Unix epoch timestamps to readable dates and back, in local time or UTC.
Calculators
Everyday percentage, date and unit maths without a spreadsheet.
Percentage Calculator
Work out percentages of a value, percentage change, discounts, tax and what share one number is of another.
Date Calculator
Count days between two dates, add or subtract time, work out age, and count business days.
Unit Converter
Convert between metric and imperial units for length, weight, temperature, area, volume, speed and data.
ROI Calculator
Work out ad campaign ROI and ROAS, or how many months an automation build takes to pay for itself once you value the hours it saves.
Developer
Formatters, encoders and debuggers for day-to-day engineering work.
JSON Formatter
Clean, format, parse, and validate JSON inputs with instant syntax lint warnings and code export.
IP Address & Location Lookup
Find your public IP address, approximate location, ISP and timezone instantly.
Code to Image
Convert your raw code snippets into visually appealing, shareable screenshots with custom gradient frames.
Code Beautifier
Beautify, format, or minify your HTML, CSS, and JavaScript source files instantly.
Encoder / Decoder
Encode and decode standard Base64 translations, HTML escape entities, or URL navigation parameters.
JWT Debugger
Decode, verify, parse, and edit JWT token components including headers, payloads, and signatures.
Image to Base64
Convert local image file assets into raw base64 data-URL text strings for code embeddings.
SEO & Meta Tag Analyzer
Perform an instant SEO check. Validate meta titles, description lengths, heading tags hierarchy, and image alt tags.
Sitemap Validator
Check a sitemap.xml against the sitemap protocol - well-formed XML, valid URLs, lastmod/changefreq/priority formats, duplicate entries, and the 50,000-URL limit.
Security Header Checker
Check any site's HTTP response headers against security best practices - HSTS, CSP, clickjacking protection, Referrer-Policy - with a graded scorecard.
DNS Lookup
Look up a domain's A, AAAA, CNAME, MX, TXT, NS, and SOA DNS records instantly.
Design & Images
Crop, convert, recolour and generate visual assets in the browser.
CSS Glassmorphism
Create and customize gorgeous glassmorphism UI cards with dynamic shadows, blur, and live CSS code export.
React Native Shadow
Generate custom shadow declarations visually and fetch elevation styles compatible with iOS and Android.
Image Cropper
Crop unwanted parts of images and download desired parts as high-quality cropped assets.
Image Filters
Apply custom filters, adjustments, brightness, contrast, and grayscales to your images.
Image Resizer
Scale and resize images to target pixel dimensions or percentages with aspect ratio lock.
Average Color Finder
Analyze loaded image elements to find their average and dominant color blocks.
Color Extractor
Extract complete color palettes from loaded image files with exact color hex values.
Image Color Picker
Load images, target individual pixels, and copy hex/rgb values with live magnifying zoom.
SVG Blob Generator
Generate unique, organic SVG blobs with customizable complexities and color gradients.
SVG Pattern Generator
Generate background vector patterns using customized repeat structures and styles.
Photo Censor
Censor photos with custom blur shapes, pixelations, or solid black bars to hide info.
SVG to PNG Converter
Convert vector SVG files into downloadable raster PNG images with custom sizes.
SVG Stroke to Fill
Translate standard SVG path strokes into outline fill layers for consistent visual scales.
Image Caption Gen
Add a caption bar or overlay text to any photo and download the result as a PNG at the original resolution. Runs entirely in your browser.
Image Converter
Convert images between PNG, JPEG and WEBP entirely in your browser, with a live before/after file size comparison.
Documents & PDF
Prepare, convert and tidy up documents before you send them on.
Scanned PDF Converter
Simulate real scanned sheets from loaded PDF pages by adding skews, blurs, and scanner noise.
Merge PDF
Combine several PDFs into one file in any order. Runs entirely in your browser, so nothing you merge is ever uploaded.
Split PDF
Cut a PDF into separate files, every few pages or by an exact range. Processed on your device, never uploaded.
Rotate PDF
Turn PDF pages 90, 180 or 270 degrees, all of them or only the ones you pick. Processed on your device, never uploaded.
Remove PDF Pages
Delete unwanted pages from a PDF and keep the rest in one file. Runs entirely in your browser, so nothing is ever uploaded.
Extract PDF Pages
Pull selected pages out of a PDF as a new file, or save each page on its own. Runs in your browser, nothing is uploaded.
Crop PDF
Trim margins from a PDF by entering exact millimetre values per side, on every page or a chosen range. Never uploaded.
JPG to PDF
Combine JPEG and PNG images into one PDF, one page per image, in your own order with page size and margin options.
PDF to JPG
Render every page of a PDF as a JPEG at the scale and quality you choose, with a download link per page.
Organize PDF
Reorder and delete PDF pages, then save a new file. Everything happens in your browser, so the document you open is never uploaded.
Add Page Numbers to PDF
Stamp page numbers onto every page of a PDF. Choose the position, format and starting number. Runs entirely in your browser.
Watermark PDF
Draw a text watermark across every page of a PDF. Set the wording, size, opacity and angle. Your file never leaves your browser.
Unlock PDF
Remove the password from a PDF you can already open, so it stops asking every time. Needs the password; runs entirely in your browser with nothing uploaded.
Protect PDF
Add a password to a PDF with AES-256 encryption, and optionally block printing, copying or editing. Runs entirely in your browser; the file is never uploaded.
Repair PDF
Rebuild a PDF that will not open: truncated downloads, broken cross-reference tables, junk after the end marker. Reports what was recovered. Runs in your browser.
PDF to Markdown
Convert a PDF to Markdown with headings, paragraphs, lists and links preserved where the document's structure allows. Runs entirely in your browser.
HTML to PDF
Turn pasted HTML or an uploaded .html file into a PDF, with page size and margins you choose. Rendered in your browser; nothing is uploaded.
Annotate PDF
Add text boxes, highlights, rectangles, lines and images on top of PDF pages and save a new file. It layers over the page; existing text is not edited. Runs in your browser.
PDF to PowerPoint
Convert a PDF to a PPTX with one slide per page. Each slide is an image of the page, so layout is exact but the text is not editable. Runs in your browser.
Compress PDF
Shrink scan- and photo-heavy PDFs by re-rendering pages as JPEG at a quality you pick. Text-only files get larger, and the tool says so. Runs in your browser.
Security
Hashes, tokens and credentials generated entirely on your machine.
Marketing & SEO
Slugs, QR codes and campaign assets for getting work out the door.
URL Slug Generator
Generate clean, search engine optimized slugs from title strings or written copy.
QR Code Generator
Create a custom QR code with your own foreground and background colours and a centred logo, then download a high-resolution PNG up to 2048px.
UTM Campaign URL Builder
Build tagged campaign URLs and catch what splits your reporting: duplicate UTM parameters, capital letters and stray spaces. Runs in your browser.
SERP Snippet Preview
Preview how a title tag and meta description render in a Google result, measured by pixel width instead of character count.
WiFi QR Code
Create a QR code guests scan to join your WiFi without typing the password. Styled, high-resolution PNG or SVG, built in your browser with nothing uploaded.
Phone QR Code
Make a QR code that opens the dialler with your number ready to call. Styled, high-resolution PNG or SVG, built in your browser with nothing uploaded.
SMS QR Code
Create a QR code that opens a text message to your number with the words already typed. Free, styled, PNG or SVG, built entirely in your browser.
Email QR Code
Generate a QR code that starts an email to you with the subject and message pre-filled. Styled PNG or SVG, built in your browser with nothing uploaded.
WhatsApp QR Code
Make a QR code that opens a WhatsApp chat with your number and a pre-typed message. Free, styled, PNG or SVG, built entirely in your browser.
Location QR Code
Create a QR code that opens a map pin at exact coordinates, with an optional place name. Styled PNG or SVG, built in your browser with nothing uploaded.
Event QR Code
Generate a QR code that adds an event to the phone's calendar with one tap: title, time, place. Styled PNG or SVG, built entirely in your browser.
vCard QR Code
Make a vCard QR code that saves your name, number, email and company straight into a phone's contacts. Styled PNG or SVG, built in your browser.
Crypto QR Code
Create a QR code for a Bitcoin, Ethereum or Litecoin wallet address, with an optional amount. Styled PNG or SVG, built in your browser with nothing uploaded.
PayPal QR Code
Generate a QR code for your PayPal.me link with an optional amount and currency. Free, styled, PNG or SVG, built entirely in your browser.
Telegram QR Code
Make a QR code that opens your Telegram chat, group or channel. Styled, high-resolution PNG or SVG, built in your browser with nothing uploaded.
Google Review QR
Create a QR code that takes customers straight to your Google review form using your Place ID. Free, styled, PNG or SVG, built entirely in your browser.
Instagram QR Code
Generate a QR code that opens your Instagram profile from a username or link. Styled, high-resolution PNG or SVG, built in your browser with nothing uploaded.
Facebook QR Code
Make a QR code that opens your Facebook page from its name or link. Styled, high-resolution PNG or SVG, built in your browser with nothing uploaded.
YouTube QR Code
Create a QR code that opens your YouTube channel from a handle, channel ID or link. Styled PNG or SVG, built in your browser with nothing uploaded.