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FizzKit

Ad-tech & Video

14

Built for ad-ops and video engineers: test a VAST tag in a real Google IMA player, inspect VAST and VMAP with wrapper resolution and pixel pings, decode TCF and GPP consent strings with vendor names, validate ads.txt and sellers.json straight from a domain, and parse HLS playlists with SCTE-35 ad markers.

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VAST Ad Tester (IMA Player)

Play any VAST or VMAP tag in a real Google IMA player and watch every SDK event, error and timing.

ads

VAST Inspector

Fetch or paste VAST 2/3/4 tags — follow wrapper chains, validate, ping pixels, and play media files.

ads

IAB TCF Consent Decoder

Decode TCF v2.2 consent strings with vendor names from the Global Vendor List, a purpose × vendor matrix and an encoder.

adscrypto

ads.txt / app-ads.txt Validator

Fetch any domain's ads.txt or app-ads.txt, validate it against the IAB 1.1 spec, follow SUBDOMAIN pointers, and cross-check every line against exchange sellers.json files.

rtbads

All ad-tech & video

VMAP Parser

Fetch or paste VMAP 1.0 manifests — timeline preview, resolve every AdTagURI to VAST, validate, and ping break trackers.

ads

Ad Tag Tester

Render a display ad tag in a sandboxed frame and see every request, click-through, console line and load time.

adsrtb

IAB GPP Decoder

Decode and edit Global Privacy Platform strings — US National and state sections with plain-English legends, TCF EU, gpp_sid checks.

adscrypto

OpenRTB Inspector

Validate & annotate OpenRTB 2.6 BidRequest and BidResponse JSON.

rtbads

RTB Bidder Sandbox

A live OpenRTB bidder endpoint that captures every bid request and answers with bids, no-bids, custom templates or timeouts.

rtbads

OpenRTB Request Builder

Build OpenRTB 2.6 bid requests with a form or JSON, then send them to any bidder and inspect the response.

rtbads

Bid Response Inspector

Decode an OpenRTB BidResponse: bids, macros, no-bid reasons, creative preview and win/billing notice firing.

rtbads

RTB & Ad Revenue Calculator

eCPM, CPC, CPA and CPV conversions, fill and revenue projections, rev-share chains, bid shading, auction clearing and budget pacing.

rtbads

sellers.json Inspector

Fetch any exchange's sellers.json by domain, validate it against the IAB spec, cross-check a publisher's ads.txt against it, and resolve OpenRTB supply chains.

rtbads

HLS m3u8 Parser

Fetch or paste HLS playlists — drill from master to variants, validate the ladder, HEAD-check segments, decode SCTE-35 cues.

adsdeveloper

Frequently asked questions

Yes. Fetch-by-URL and fetch-by-domain features run through the FizzKit relay so browser CORS rules don't get in the way. Fetched content is not stored.