One job each · one address each
https://json.anton.be
23 small tools that run in the tab you already have open. Paste, fix, copy, close. Nothing you paste is uploaded, nothing is stored, and there is no account to make — every one of them is a page and a few kilobytes of JavaScript.
JSON 4
json.anton.be
JSON Toolkit
Explore, format, query (JSONPath), edit, validate against schemas, and generate TypeScript/Zod types from JSON.
jsondiff.anton.be
JSON Compare
Compare 2–6 JSON sources side-by-side or as a unified diff tree. Mark important paths, save presets.
mockjson.anton.be
JSON Generator
Generate realistic fake JSON data from a template. Repeat, nest, and randomise names, dates, numbers, lorem ipsum and more.
csv.anton.be
CSV Toolkit
View, edit, profile and convert CSV. Auto-detects the delimiter (comma/semicolon/tab/pipe), sortable/filterable grid, per-column stats, export to JSON/TSV/YAML.
Text & Code 4
diff.anton.be
Text Compare
Compare 2–6 text or code sources. Side-by-side or unified diff, line/word/char granularity, Myers and Patience algorithms, syntax highlighting for 15+ languages.
css.anton.be
CSS Formatter
Format or minify CSS with syntax highlighting, inline color swatches, collapsible blocks and search.
regex.anton.be
Regex Generator
Reverse a regular expression: generate example strings that match a pattern. Supports character classes, groups, alternation, quantifiers and backreferences.
wordfeud.anton.be
Wordfeud Helper
Drop a screenshot of your Wordfeud game and get the highest-scoring moves. Board and rack are read in your browser; nothing is uploaded. Dutch word list.
Encoding 2
codec.anton.be
Encoder / Decoder
Live conversion to and from URL, HTML, Base64, hex, binary, Unicode escapes, ROT13, Morse and more — all side-by-side.
hash.anton.be
Hash Generator
MD5, SHA-1/256/384/512, RIPEMD-160, CRC32, HMAC and PBKDF2, plus bcrypt and Argon2id in a Web Worker. Everything runs in your browser — no password ever leaves the tab.
Network 2
dns.anton.be
DNS Lookup
Advanced DNS over HTTPS lookups. Single host, bulk lists, side-by-side resolver comparison and a full email-stack (MX/SPF/DMARC/DKIM/MTA-STS) inspector. DNSSEC-aware.
source.anton.be
View Source
The raw source of any web page, fetched server-side: syntax-highlighted HTML, CSS and JS, response headers and every redirect hop. Click a link in the source to follow it.
Media 4
pdf.anton.be
PDF Editor
View, merge, split, rotate, reorder and delete pages, add text annotations — all client-side with no upload.
image.anton.be
Image Editor
Paint.NET-style image editor in the browser. Layers, brushes, shapes, fill, zoom & pan — all client-side.
meta.anton.be
Metadata Viewer & Editor
Inspect and edit EXIF, IPTC, XMP and ICC metadata in JPEG, PNG, WebP, TIFF, HEIC/AVIF and RAW. Identifies any file from its magic bytes and flags a wrong extension. Strip GPS or camera data in one click — all client-side, nothing is uploaded.
plan.anton.be
Inplantingsplan Maker
Teken inplantingsplannen voor evenementen: sleep containers, tenten, togen en hekken op een plattegrond of satellietfoto, met een echte schaal.
Collaboration 4
when.anton.be
When
Propose a few dates, share one link, and let everyone mark yes, if need be or no. Pick the winner when the grid fills up. No account, no app.
saved on the server
showdown.anton.be
Planning Poker
Real-time estimation rooms with shareable links. Multiple decks (Fibonacci, T-shirt, custom…), spectators, re-vote, in-room history with stats.
saved on the server
doodle.rs
Doodlers
Draw the word, guess the drawing: a free multiplayer drawing game in the spirit of Pictionary. Private rooms with a link for friends, or a public game with whoever is online.
saved on the server
flyers.anton.be
Flyers
Split a neighbourhood into fair, connected areas for flyer delivery, then share one link: delivery people claim an area and tick off street by street, with GPS, live positions and offline support. Counts every mailbox, flats included. Belgium only.
saved on the server
Food 2
fastfood.anton.be
Fastfood Map
Every McDonald's, Burger King, KFC, Quick, Panos and Pizza Hut in Belgium, the Netherlands, Luxembourg and Spain — Tenerife and the other islands included. Filter on what is open right now, the drive-through separately, in the venue's own time zone.
horeca.anton.be
Food Hygiene Map
Every restaurant, café, chip shop, bakery and food shop in Belgium and the Netherlands, coloured by the verdict of the food safety inspection (FAVV forks, NVWA ratings). Filter by verdict, search by name, street or town, and see the name on the shopfront next to the official one.