Simple tools, serious APIs
Generate QR codes, convert HTML to PDF, remove image backgrounds, and run anonymous polls — free, with no watermarks. Or ship the same tools in your product with one API key.
Tools
QR codes
View category →Documents
View category →HTML to PDF
Turn HTML or any URL into a pixel-perfect PDF using real Chromium rendering. Built for invoices, reports, and receipts. Simple REST API.
Open toolJPG to PDF
Combine JPG, PNG, WebP, GIF, BMP or TIFF images into one PDF. Set the page order, choose A4 or Letter, and download. Free plan included.
Open toolMerge PDF
Combine several PDFs into one file, in the order you choose. No watermark, no signup for normal use, and no author details left over from your sources.
Open toolSplit PDF
Pull out page ranges like 1-3, 7 as a single PDF, or break a document into fixed-size chunks. Free, no watermark, no signup for normal use.
Open toolPhoto tools
View category →HEIC to JPG
Convert iPhone HEIC photos to JPG, PNG or WebP in your browser. Location data is removed by default, and there is no watermark or signup.
Open toolBackground Remover
Remove the background from any photo automatically and download a transparent PNG. Free to try, full resolution on Pro, plus a REST API.
Open toolProduct Photo Maker
Put any product on a clean white background, sized for Amazon, Etsy, eBay or Shopify. Free, no watermark, and the listing rules are built into the presets.
Open toolSticker Maker
Turn any photo into a sticker with a clean outline, sized for WhatsApp and Telegram. Free, no watermark, and no app to install.
Open toolProfile Picture Maker
Crop any photo into a clean profile picture, centred on you rather than the frame. Circle or square, sized for LinkedIn, X, Slack and Discord.
Open toolPassport Photo Printer
Turn a photo into a print-ready sheet at exact passport, ID or stamp dimensions. Pick your country's size, print at home, and cut them out.
Open toolPolls
View category →Tournaments
View category →Money
View category →Developer tools
View category →UUID Generator
Generate up to 10,000 UUIDs in your browser — v4 random or v7 time-ordered — and copy them as JSON, CSV or SQL. Free, no signup, nothing is sent anywhere.
Open toolCron Expression Builder
Build and read cron schedules in plain English, see the next run times in your own timezone, and get warned about the traps that bite in production.
Open toolMeta Tag Checker
Check any page's title, description, canonical, Open Graph and Twitter tags, plus its favicons — with notes on what is missing or too long.
Open toolAPI Response Comparator
Call two API endpoints and see exactly what changed between the responses: status, headers, timing and a structural diff of the JSON bodies.
Open toolMock API Server
Create a URL that returns the JSON you define with the status code you choose, so frontend work can start before the real API exists.
Open toolFree to start
Every tool has a free monthly allowance, and static QR codes need no account at all.
One API key, every tool
Authenticate once and call any service. Usage is tracked per tool in your dashboard.
Pay for what you need
Subscribe to a single tool, or take the platform plan and lift limits everywhere.