xtract.bot

POST /api/avif-to-jpeg3 quota units per call · cache hits free

Convert AVIF images to JPEG. Useful when you have an AVIF (Apple Photos exports, modern CDN deliveries) and need a format older tooling can read.

Reads an AVIF image and returns the same picture as a JPEG. Transparency is flattened over opaque white because JPEG has no alpha channel. Useful when you receive an AVIF (Apple Photos exports, modern CDNs, screenshots from new browsers) and need to feed it into tooling that doesn't speak AVIF — image editors, OCR pipelines, design tools, browsers below Chrome 85 / Safari 16. Quality is 1–100 (default 80). The AVIF source was already lossy unless it was encoded losslessly — re-encoding to JPEG won't *recover* detail, only convert to a different lossy format. Choose `avif-to-png` instead if you need a lossless intermediate.

Inputs

NameTypeDefaultDescription
image*fileInput AVIF bytes.
qualitynumber (1…100)80JPEG quality 1–100 (default 80).

Response

Modes: binary, stream, json. Cache: yes (24h TTL).

Large outputs stream: responses over the 4 MiB cache limit are piped through as they are produced instead of buffered. They carry x-cache-skip: size and are never cached — identical follow-up calls recompute.

Every response carries x-cache (HIT / MISS / BYPASS), x-cache-signature (stable across identical inputs), and the rate-limit headers listed below.

Quota & limits

Cost per call3 units against the 10,000-unit monthly quota. Cache hits are free — only cache misses decrement.
Burst limit200 requests per rolling minute, shared across all tools.
Max request size16 MiB (base64 inflates file payloads ~33% — the limit applies to the decoded bytes).
Max response size32 MiB
Timeout60s wall clock.
Rate-limit headersX-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Burst-Limit on every response; X-Quota-Warning once 80% of the monthly quota is spent; Retry-After on 429s.

Errors

Errors are JSON with an error string; schema failures add a details object (Zod's flattened field errors).

StatusWhenBody
400Input fails the tool's schema (wrong type, missing required field, malformed base64) or the file bytes can't be parsed as the expected format.{ "error": "invalid inputs", "details": { "fieldErrors": { … } } }
401Missing or invalid X-Api-Key / X-Account-Id headers (or no session when called from the browser).{ "error": "unauthorized" }
404Unknown tool id, or calling /api/* on the website hostname instead of api.xtract.bot.{ "error": "not found" }
413Request body over the tool's max request size, or an image header declaring more megapixels than the tool's pixel budget.{ "error": "…exceeds maxRequestBytes…" }
415Content-Type isn't application/json on the json-body transport.{ "error": "unsupported content-type; expected application/json" }
429Monthly quota or the 200/min burst limit exhausted. Check Retry-After and the X-RateLimit-* headers.{ "error": "monthly quota exceeded", "monthRemaining": 0, … }
5xxConversion engine failure. Safe to retry; if it persists, the input is hitting a bug — please report it.{ "error": "…" }

Code samples

Built from the default example.

# Download or substitute the example input:
#   curl -O https://xtract.bot/examples/avif-to-webp/sample.avif
IMAGE=$(base64 -w0 < sample.avif)

curl -X POST https://api.xtract.bot/api/avif-to-jpeg \
  -H "Content-Type: application/json" \
  -H "Accept: application/octet-stream" \
  -H "X-Account-Id: $XTRACT_ACCOUNT_ID" \
  -H "X-Api-Key: $XTRACT_API_KEY" \
  -d '{
  "image": "'"$IMAGE"'"
}'