TESIGN
SAVED

EN · KO

TESIGN / RADAR

Use in the browser, no install

Everything that survived the filter. Narrow by category, source or signal. 22 items

HOW TO START
CATEGORY
SOURCE
CTA
TAG
LICENSE
SIGNAL
  1. 01BG0's homepage: a dark screen with the headline "Background removal that stays on your device."

    BG0

    No-account background remover

    Removes a photo's background entirely inside your browser — no upload, no server, no account.

    Use in the browser
    ★ 79▲ +28 / 7d
    NEW 28h OLD WHEN SEENMEDIA · GitHub · Apache-2.0 · kept 2026.09.17
  2. 02Words of Hanoi play screen: five test tubes of letter tiles with Moves and Par counters above and Undo and Reset buttons below.

    Words of Hanoi

    Daily word puzzle for puzzle fans

    A daily puzzle: move letter tiles between five tubes until every full tube spells a word.

    Use in the browser
    ▲ 1 HN
    NEW 2h OLD WHEN SEENGAMES · Show HN · kept 2026.09.15
  3. 03Hindsight landing page: thousands of video dots grouped into issue clusters, with a central search box for a topic, creator or YouTube link.

    Hindsight

    Narrative map for YouTube viewers

    Remembers 49,411 videos, maps 22,904 by issue, traces how a YouTuber's argument changed.

    Use in the browser
    ★ 0▲ 1 HN
    NEW 2h OLD WHEN SEENAI · Show HN · MIT · kept 2026.09.15
  4. 04SubSweep landing page: the headline beside a sample result card showing $3,117.84 a year across 8 recurring charges, a Netflix price rise, an Adobe refund window and a lapsed Stan charge.

    SubSweep

    Subscription audit for Australians

    Finds forgotten subscriptions, price hikes and refund windows in an Australian bank CSV.

    Use in the browser
    ▲ 1 HN
    NEW 2h OLD WHEN SEENFINANCE · Show HN · kept 2026.09.15
  5. 05The auditor's dark UI: a four-step pipeline diagram at the top, a code editor with the 'Run 4-Step Security Audit' button on the left, and the findings panel on the right.

    Qwen2.5 Program Slicing Security Auditor

    JavaScript security audit for web devs

    Paste JS or HTML; a fine-tuned 7B model traces each risky sink to an exploit and verdict.

    Use in the browser
    ♥ 1
    NEW 1h OLD WHEN SEENSECURITY · Hugging Face · kept 2026.09.15
  6. 06Forma editor: a sample ONNX graph on the canvas with the Conv node selected and its editable attributes, tensor shapes and parameter count in the Layer Inspector.

    Forma

    ONNX graph editor for ML engineers

    Drop an .onnx file in the browser, see the graph, edit a node and export — no Python.

    Use in the browser
    ★ 3▲ 2 HN
    NEW 1h OLD WHEN SEENDEV TOOLS · Show HN · kept 2026.09.15
  7. 07anydoc browser demo with the document drop area, the converted Markdown output and Copy / Download .md buttons

    anydoc

    Office docs to Markdown for LLM input

    Converts Word, PowerPoint, Excel, PDF and EPUB to Markdown; run via npx or in the browser

    Use in the browser
    ★ 21.5k▲ +40 / 7d
    PRODUCTIVITY · GitHub · MIT · kept 2026.09.14
  8. 08The PartMode social preview: 'Browser CAD for people + typed agents' with LOCAL-FIRST, EXACT B-REP and STEP badges on the left, and on the right the Studio with a 3D Tools ribbon (Extrude, Cut, Hole Wizard, Thread), a model tree, a plate with a hole in the viewport and an Agent Flight Recorder inspector

    PartMode

    Mechanical CAD in the browser

    Parametric mechanical CAD in the browser: constrained sketches, assemblies, drawings, STEP

    Use in the browser
    ★ 526
    BACK CATALOGDESIGN · GitHub · AGPL-3.0 · kept 2026.09.14
  9. 09Breakscale's Retry Storm example: a top bar reading 100 requests per second offered, goodput 0/s, errors 100% and 118/s dropped, a canvas with Client → API Server → Database boxes showing the database 99.9% busy, and a handwritten-style explanation below

    Breakscale

    System-design simulator for learners

    Browser system-design simulator: build a topology, load it until it breaks, see why

    Use in the browser
    ★ 1.2k
    BACK CATALOGEDUCATION · GitHub · MIT · kept 2026.09.14
  10. 10A 3D view inside a Halcyon Video store: blue-and-white fit-out, MOVIES signs, shelves stocked with video cases, a Previously Viewed rack and a CRT television hanging from the ceiling

    Halcyon Video

    3D video store for your media server

    Turns your Jellyfin, Plex or Emby library into a walkable 3D 1990s video rental store

    Use in the browser
    ★ 861
    BACK CATALOGMEDIA · GitHub · GPL-3.0 · kept 2026.09.14
  11. 11The Let's Seal verification portal: a 'Verify a document' heading above a drop zone for a PDF and a field for pasting a SHA-256 fingerprint or proof link

    Let's Seal

    Prove a file is unaltered and dated

    Free web app and open SEAL standard that proves a file is unaltered and existed by a date

    Use in the browser
    ★ 371▲ 94 HN
    BACK CATALOGSECURITY · Show HN · Apache-2.0 · kept 2026.09.14
  12. 12The OpenMouse web control panel showing a connected mouse's information and its DPI and polling-rate settings

    OpenMouse

    Gaming-mouse settings in the browser

    Browser control panel for gaming-mouse DPI and polling rate, no vendor driver needed

    Use in the browser
    ★ 1.9k
    BACK CATALOGHARDWARE · GitHub · AGPL-3.0 · kept 2026.09.14
  13. 13The Bento slides editor running in a browser on the starter deck at bento.page/slides [layout to be confirmed]

    Bento

    One-file slides for presenters

    A PowerPoint alternative in one HTML file; edit, present and share with only a browser.

    Use in the browser
    ★ 5.1k▲ +6 / 7d
    BACK CATALOGPRODUCTIVITY · GitHub · MIT · kept 2026.09.14
  14. 14A phone receiving a file from another screen's animated QR stream, showing 130.5 KB/s goodput and decoding about halfway done

    Decimen Optical Transfer

    File transfer with no network

    Send a file up to 64 MB between two devices using only a screen and a camera; no network.

    Use in the browser
    ★ 6.8k
    BACK CATALOGEXPERIMENT · GitHub · AGPL-3.0 · kept 2026.09.14
  15. 15A GitFut player card — a FIFA-style card with the overall rating and the six stats PAC, SHO, PAS, DRI, DEF, PHY

    GitFut

    Player card for your GitHub profile

    Turns a GitHub profile into a FIFA-style card rated out of 99, embeddable as a live PNG

    Use in the browser
    ★ 2.6k
    BACK CATALOGSOCIAL · GitHub · MIT · kept 2026.09.14
  16. 16The SQL editor panel beside an ER diagram canvas where table boxes are joined by foreign-key lines

    SQL to ER Diagram

    SQL schema to ER diagram, in-browser

    Paste CREATE TABLE DDL, get an interactive ER diagram drawn entirely in your browser

    Use in the browser
    ★ 618
    BACK CATALOGDATA · GitHub · MIT · kept 2026.09.14
  17. 17README example — the original page on the left and, on the right, the same page rendered as if scanned: slight skew, grayscale, warm paper tone and edge shadow

    make-look-scanned

    Make a PDF look like a paper scan

    Makes a PDF look like a physical scan (skew, paper tone, grain); Go CLI or in-browser WASM

    Use in the browser
    ★ 807▲ 155 HN
    CROSS-SIGNAL Show HN + GitHubPRODUCTIVITY · Show HN · GitHub · AGPL-3.0 · kept 2026.09.14
  18. 18The PDFx viewer — a canvas where each document is a horizontal strip of page thumbnails and documents stack vertically

    PDFx

    Bundle many PDFs into one valid PDF

    Bundles many PDFs into one file that is still a valid PDF; its viewer splits them back

    Use in the browser
    ★ 1.1k▲ 1 HN
    CROSS-SIGNAL GitHub + Show HNPRODUCTIVITY · GitHub · Show HN · MIT · kept 2026.09.14
  19. 19Solar Wanderer: Earth seen from the Moon's surface, with the Moon info panel (Chinese UI)

    Solar Wanderer

    Real-time 1:1 solar system, no install

    1:1 real-time solar system in the browser, driven by NASA JPL ephemerides; phone-friendly

    Use in the browser
    ★ 739
    BACK CATALOGEDUCATION · GitHub · MIT · kept 2026.09.14
  20. 20Design Studio AI workspace: a 'What should we create?' prompt box in the centre, six starter templates below.

    Design Studio AI

    Design workspace for people and agents

    Lets people and agents edit the same web, slide, 3D and video designs.

    Use in the browser
    ★ 131▲ +18 / 7d
    DESIGN · GitHub · MIT · kept 2026.09.14
  21. 21PDF Pocket Tools on itch.io: free-demo note and feature list left, two app screenshots right, a Buy Now $1.00 button below.

    PDF Pocket Tools

    PRODUCTIVITY

    Merges, splits, rotates and reorders PDFs from one offline HTML file.

    Use in the browser
    ▲ 2 HN
    NEW 1h OLD WHEN SEENPRODUCTIVITY · Show HN · kept 2026.09.14
  22. 22Programming Museum playground page: 'The Children's Playground' heading on black, a number-guessing game below.

    Programming Museum

    EDUCATION

    Hangs real, runnable source code in frames you walk past room by room.

    Use in the browser
    ▲ 5 HN
    NEW 0h OLD WHEN SEENEDUCATION · Show HN · kept 2026.09.14