Pricing

from $10.00 / 1,000 ocr pages

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CJK PDF to RAG Chunks – Traditional Chinese & Japanese OCR

Try for free

Convert Traditional Chinese and Japanese PDFs (including scans) into heading-aware, sentence-safe chunks with page numbers for RAG and vector DBs. Parallel OCR, header/footer removal, optional Markdown tables, estimate mode. Pay per page.

Pricing

from $10.00 / 1,000 ocr pages

Rating

0.0

(0)

Developer

Robert Wang

Actor stats

Bookmarked

Total users

Monthly active users

2 days ago

Last modified

Categories

Developer tools

Other

PDF URLs

pdfUrls

Optional

Public PDF URLs

Type:array

Default:

[
  "https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf"
]

Mode

mode

Optional

estimate = count pages / OCR pages only

Type:string

Default:extract

Options:

extractestimate

Target chunk size (chars)

chunkChars

Optional

Approx characters per chunk

Type:integer

Default:500

Max pages per PDF

maxPages

Optional

Hard cap

Type:integer

Default:200

Force OCR on all pages

forceOcr

Optional

Testing: OCR even if text layer exists

Type:boolean

Default:false

OCR languages

ocrLang

Optional

Tesseract langs. Empty = auto (jpn+chi_tra for Japanese docs, else chi_tra+jpn)

Type:string

OCR DPI

ocrDpi

Optional

Render DPI for OCR

Type:integer

Default:150

OCR parallel workers

ocrWorkers

Optional

Default: CPU count (min 2)

Type:integer

Detect tables

detectTables

Optional

Off by default (slow, ~7 s/page). Emit tables as markdown chunks with type=table

Type:boolean

Default:false

Break chunks at page end

pageBreak

Optional

Flush at page end (unfinished sentence carried over)

Type:boolean

Default:true

Upload key-value store

uploadStore

Optional

Key-value store holding uploaded PDFs (use when the source site blocks download).

Type:string

Uploaded PDF keys

uploadKeys

Optional

Record keys in the upload store (or this run's default store if no store chosen).

Type:array

Vertical text (直書)

verticalText

Optional

Scanned pages: detect vertical (top-to-bottom, right-to-left) text and OCR with jpn_vert / chi_tra_vert.

Type:string

Default:auto

Options:

autoonoff

Deskew scans

deskew

Optional

Straighten scanned pages tilted 0.8–4.5°.

Type:boolean

Default:true

Denoise scans

denoise

Optional

Median filter, applied only to pages with heavy speckle noise.

Type:boolean

Default:true

Trust existing invisible OCR layer

trustOcrLayer

Optional

Scanned PDFs often carry a hidden OCR text layer of poor quality for CJK. By default such pages are re-OCRed; enable to use the existing layer (cheaper, billed as text pages).

Type:boolean

Default:false

Max run seconds / 最長執行秒數

maxRunSeconds

Optional

Stop early (marking results 'truncated') before this many seconds. The platform run timeout is always respected too. / 超過秒數前提早停止並標記 truncated；平台逾時也會自動遵守。

Type:integer

Minimum:30

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