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01 Featured sites #image #compress #resize
Smaller images, no upload. A practical little tool that respects your files.
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Featured sites 19 sites → Other cool sites 55 sites → Cool APIs 63 APIs → Cool apps 39 apps → Cool AIs 15 AIs → Recently added 71 dated → Tags 245 tags → Quality report reviews → All utility 12 tool 6 developer 2 image 2 running 2 ai 1 background 1 base31 1 code 1 compress 1 dev 1
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utility screenshot tools App Screenshot appscreenshot.base31.org ↗ (opens in a new tab) Generate polished app screenshots for product pages, portfolios, and presentations. Reviewed · 2026-09-28 image background remove utility tool Background Remover backgroundremover.base31.org ↗ (opens in a new tab) Remove the background from a photo in your browser, swap in a colour or gradient, and download a transparent PNG with no upload. Added · 2026-10-01 Not yet reviewed email privacy utility CompMails compmails.base31.org ↗ (opens in a new tab) Create free temp mail with no sign up: an instant disposable inbox you can read in the browser. Reviewed · 2026-09-29 game word puzzle Daily Wordle dailywordel.base31.org ↗ (opens in a new tab) Solve a fresh daily word puzzle and test your vocabulary. Reviewed · 2026-09-28 donations support base31 Donation donation.base31.org ↗ (opens in a new tab) Support the independent tools and experiments hosted by base31.org. Not yet reviewed productivity focus utility Focus focus.base31.org ↗ (opens in a new tab) Stay on task with a simple, distraction-free focus tool for deep work sessions and daily routines. Added · 2026-10-02 Not yet reviewed github developer ai code GitHub Explorer githubexplorer.base31.org ↗ (opens in a new tab) Browse any GitHub repository's files and code, explore a user's repositories, and draft READMEs and docs with AI. Not yet reviewed iframe dev iframe tester iframetester.base31.org ↗ (opens in a new tab) Test any url with this tool, iframe testing. Not yet reviewed image compress resize utility tool Image Compressor imagecompressor.base31.org ↗ (opens in a new tab) Compress and resize images in the browser, with batch processing, before-and-after sizes and no upload. Reviewed · 2026-09-28 Show all 19 sites +10 ＋ Add your own site Upload your HTML files — we host them here for free, and visitors can browse and vote on your site. ↗ Want the full story on any of these? Read the tool guides →
Hand-picked corners of the web that live at their own addresses — not made by base31, just worth the trip.
All Toys Design & code Knowledge Games Art & calm Places Sounds
2048 ↗ play2048.co A deceptively simple sliding-tile puzzle where you combine matching numbers to reach the 2048 tile. Not yet reviewed A Soft Murmur ↗ asoftmurmur.com Mix rain, thunder, waves, fires and coffee shops into a background ambience for working or drifting off. Not yet reviewed A Soft Murmur ↗ asoftmurmur.com Mix rain, thunder, wind, waves, café noise, and other ambient sounds into a custom background soundscape. Not yet reviewed Akinator ↗ en.akinator.com Think of a real or fictional character while the genie asks questions and attempts to guess who it is. Not yet reviewed Awwwards Interactive ↗ awwwards.com A curated gallery of award-winning interactive websites and premium web-design inspiration. Not yet reviewed Bored Button ↗ boredbutton.com A single button that launches a new game, mini activity, visual toy, or strange internet experience. Not yet reviewed Cameron's World ↗ cameronsworld.net A colorful internet-art experience built from archived GeoCities pages and early-web design aesthetics. Not yet reviewed Cat Bounce ↗ cat-bounce.com A completely unnecessary but delightful page filled with endlessly bouncing cats. Not yet reviewed Cloudhiker ↗ cloudhiker.net A hand-picked collection of thousands of small independent websites, delivered randomly without feeds or rankings. Not yet reviewed Show all 55 links +46 Free public APIs worth building with — no key hunting, no paid tier to start, just an endpoint and its docs.
All Fun & trivia Web & developer Images & design Knowledge & culture Maps & places Food & drink Science & space Games Data & reference Money & markets Time & weather
Advice Slip ↗ api.adviceslip.com Random pieces of advice, searchable by word, each with a stable slip ID you can cite. Not yet reviewed Agify ↗ agify.io Guess a person's age from their first name, with country-level breakdowns and sample sizes. Not yet reviewed Art Institute of Chicago ↗ api.artic.edu The museum's public collection — artworks, artists, images and descriptions — as open data. Not yet reviewed Cat Facts ↗ catfact.ninja A random cat fact on every request, plus breed lists and pagination for browsing. Not yet reviewed CoinGecko ↗ coingecko.com Live prices, market caps and historical charts for thousands of cryptocurrencies on a free tier. Not yet reviewed Datamuse ↗ datamuse.com A word-finding API for rhymes, synonyms and related terms — a poet's, or a word game's, toolbox. Not yet reviewed Deck of Cards ↗ deckofcardsapi.com Shuffle, draw and deal a virtual deck — the simplest way to add cards to a side project. Not yet reviewed DiceBear ↗ dicebear.com Generate identicon-style profile pictures as SVG or PNG straight from a URL, in dozens of styles. Not yet reviewed Dog CEO ↗ dog.ceo Random dog pictures by breed, hosted over HTTPS with no key required and no rate-limit drama. Not yet reviewed Show all 63 links +54 Free web apps worth a bookmark — everything here runs in a tab, with no install and no account just to try it.
All Developer Draw & design Images Utilities Documents Math & science Media & sound Productivity Writing
Carbon ↗ carbon.now.sh Turn a snippet into a clean, shareable image with window chrome, padding and a theme — the standard way to post code. Added · 2026-09-30 Not yet reviewed Cleanup.pictures ↗ cleanup.pictures Paint over anything you want gone from a photo — a stranger, a wire, a watermark — and the space is filled in. Added · 2026-09-30 Not yet reviewed CloudConvert ↗ cloudconvert.com Convert between more than two hundred file formats — documents, images, audio, video and archives — and hand back a link. Added · 2026-09-30 Not yet reviewed CodePen ↗ codepen.io Write HTML, CSS and JavaScript in three panes and watch the result update live — the front-end playground everyone shares. Added · 2026-09-30 Not yet reviewed Coolors ↗ coolors.co Generate colour palettes with the spacebar, then check contrast and export them as CSS, SVG or a share link. Added · 2026-09-30 Not yet reviewed CyberChef ↗ gchq.github.io The self-styled cyber Swiss army knife: base64, hashing, ciphers and dozens of other transforms, chained into recipes. Added · 2026-09-30 Not yet reviewed dbdiagram.io ↗ dbdiagram.io Sketch a database schema in a small DSL and watch it become a clean entity-relationship diagram you can export. Added · 2026-09-30 Not yet reviewed Desmos ↗ desmos.com A graphing calculator that plots equations as you type them, with sliders to watch a curve respond in real time. Added · 2026-09-30 Not yet reviewed Excalidraw ↗ excalidraw.com A hand-drawn-style whiteboard in the browser for diagrams and quick sketches, with live collaboration and no sign-up. Added · 2026-09-30 Not yet reviewed Show all 39 apps +30 Browser AI assistants, research tools and creative services. Plans vary; verify important answers and avoid sharing sensitive information.
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