No moat. Still in business.

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Feature flags for software teams to roll out changes to chosen users, watch error rates and roll back bad releases.

Free plan · Developer tools · Developers

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Lets teams edit, test and send transactional email templates without code deploys, with A/B tests and analytics.

Since 2014

Subscription · Transactional email · Software companies

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Handles in-app subscriptions for mobile apps, with a paywall builder, price tests and revenue reports for app teams.

Free plan · Payments and checkout · Developers

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Create branded short links and QR codes, track clicks and route visitors by device or country, for marketing teams.

Free plan · Marketing and social

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WordPress plugin to A/B test pages, watch session recordings and heatmaps, and track WooCommerce revenue by variant.

Free trial · Website analytics · Online sellers

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Browser tools that turn videos into GIFs and compress, resize, crop or caption them without uploading the file.

Free · Design and images · Individuals and families

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A WordPress plugin for top bars and popups with countdowns, coupons and signup forms, plus click stats and A/B tests.

Free plan · Marketing and social

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Builder for landing and lead capture pages with templates, AI drafts and A/B testing to improve conversions.

Subscription · Website builders

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A no-code popup tool for shops and websites to collect emails, show offers and win back visitors about to leave.

Free plan · Marketing and social

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Email marketing app for sending newsletters, campaigns and automated sequences, built for teams that write together.

Since 2018

Free plan · Email marketing · Online sellers

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Add one script to your site for widgets like local pricing, exit offers and social proof to lift sales.

One-off payment · Marketing and social · Online sellers

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Feature flags and remote config so software teams can release to user segments, run tests and switch features off fast.

Free plan · Developer tools · Developers

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Lets marketing and design staff describe web app changes in plain English and get them as GitHub pull requests for engineers to review.

Free plan · Developer tools · Software companies

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Builds popups for online stores, such as signup offers, exit discounts and spin wheels, by describing them to an AI agent.

Free plan · Marketing and social · Online sellers

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Edit, merge, split, compress and OCR PDF files inside your browser, with documents kept on your own device.

Since 2025

Free plan · Documents and e-signature

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Feature flag service that lets software teams roll out, test and switch off features in production without redeploying.

Subscription · Developer tools · Developers

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Cookie consent banners and consent records for websites and apps, so businesses meet GDPR and similar laws.

Free plan · Legal and compliance

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Free tools in the browser to trim, merge, split and reformat videos into shorts, all processed on your own device.

Free · Video and audio · Creators and writers

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Compresses, resizes and converts images inside your browser tab, plus local background removal, with no upload or account.

Free · Design and images

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Feature flags and A/B tests that read results from your own data warehouse, for software product teams.

Free plan · Website analytics · Software companies

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Turn app features on or off and roll them out to chosen users without redeploying, with unlimited team seats.

Free plan · Developer tools · Developers

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Site analytics with split testing that shows which campaign, page or test version led to each sale, for online businesses.

Subscription · Website analytics

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Build a pre-launch waitlist page where signups earn rewards for referring friends, with emails and A/B tests.

Free plan · Marketing and social · Online sellers

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Converts and compresses HEIC, WebP, AVIF, PNG and JPG images inside your browser without uploading them.

Free · Design and images · Individuals and families

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Free browser tools to merge, split, shrink, convert and edit PDFs locally, so files never leave your computer.

Free · Documents and e-signature

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Makes PDFs, Word files and images look like paper scans right in the browser, without uploading the files.

Since 2022

Free · Documents and e-signature

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Free converter that turns PNG, HEIC, WebP, PDF and other images into JPG inside the browser, with no uploads.

Free · Design and images · Individuals and families

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WordPress plugin for publishers to place, rotate, target and schedule ads from any network and track clicks.

Free plan · Marketing and social · Creators and writers

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Free browser tools to merge, split, compress, convert and edit PDF files without uploading them anywhere.

Free · Documents and e-signature

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Browser based PDF tools that merge, split, compress and edit files locally, with a paid plan for OCR and conversion.

Free plan · Documents and e-signature

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Records visitor sessions on your site and uses AI to point out errors, rage clicks and drop-offs, alongside heatmaps.

Free plan · Website analytics

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Shows different text, popups or redirects to each WordPress visitor based on location, device or behaviour.

Free plan · Marketing and social

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Builds sales and lead funnels inside WordPress and WooCommerce, with custom checkout pages, upsells and split tests.

Online shops · Online sellers

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WordPress plugin that pins a floating button to blog posts so bloggers get more clicks on offers and contact links.

Free plan · Marketing and social · Creators and writers

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Merge, split, compress, convert and OCR PDF files in your browser without uploading them to a server.

Free · Documents and e-signature

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Clean, convert, dedupe and chart CSV or Excel files in your browser without uploading them anywhere.

Free · Data and spreadsheets

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WordPress plugin for building popups and bars with display rules, A/B tests and email signup capture.

Marketing and social

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WordPress plugin that records heatmaps, sessions, funnels and form drop-off, storing all data on your own site.

Free plan · Website analytics

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Converts, compresses, merges, signs and redacts PDFs in the browser so files never leave your device.

Free · Documents and e-signature · Individuals and families

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Merge, split, compress, sign and edit PDFs in your browser, with files processed on your own device and no account needed.

Documents and e-signature

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WordPress plugin for placing ad blocks with geo, device and time targeting plus A/B tests, for site monetisation.

One-off payment · Marketing and social · Creators and writers

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Audits an online store for conversion problems, suggests fixes ranked by revenue and builds A/B test variations.

Free trial · Website analytics · Online sellers

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Turns a one-line description into a live AI API endpoint with typed output, model comparison and usage logs.

Since 2025

Free plan · Developer tools · Developers

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Scans your bank statement CSV files in the browser to spot forgotten subscriptions and links you to cancel them.

Since 2014

One-off payment · Money and budgeting · Individuals and families

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Shows where site visitors get stuck through heatmaps, replays and funnels, then lets you A/B test fixes.

Free plan · Website analytics

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Feature flags, gradual rollouts and A/B tests so developers ship behind toggles and product teams control releases.

Since 2023

Free plan · Developer tools · Developers

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Shows how visitors use your website through heatmaps, session replays, surveys and A/B tests.

Subscription · Website analytics

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Open, edit and chart big data files in your browser without uploading them, as a lighter option than spreadsheets.

Free · Data and spreadsheets