Help

Common questions, file size limits, OCR languages, API basics.

Getting started

  1. Pick a tool from the menu (Merge, Compress, OCR, etc.).
  2. Drop your file into the upload zone.
  3. Wait a few seconds for the worker to process it.
  4. Click the download button — the link is valid for 1 hour.

Supported file formats

  • Input PDFs: 1.4 to 2.0, encrypted PDFs supported (you supply the password).
  • Word: .doc, .docx, .odt, .rtf — converted via headless LibreOffice.
  • Images for OCR: PNG, JPG, TIFF — multi-page TIFFs OK.

OCR languages

Tesseract data files for the following languages are bundled and tested:

  • rus — Russian (full alphabet, modern + pre-reform forms)
  • kaz — Kazakh (Cyrillic — Қазақша)
  • uzb — Uzbek (Latin and Cyrillic blocks)
  • kir — Kyrgyz (Cyrillic)
  • eng — English fallback

Plan limits

  • Free — 5 ops/day · 10 MB · single file · no OCR · watermark on compress/convert
  • Lite — 50 ops/day · 50 MB · OCR · clean output
  • Pro — unlimited ops · 200 MB · OCR + batch ≥5 files · priority queue
  • Team — 5 seats · API · 1000 calls/day · 500 MB

API quickstart (Team plan)

OpenAPI schema lives at /api/docs/. Three endpoints cover the full lifecycle:

  • POST /api/tools/<op>/upload — multipart, returns job_id
  • GET /api/tools/jobs/<id> — status, progress, error_code
  • GET /api/tools/jobs/<id>/download — 302 to signed URL (1h)

Privacy & retention

Inputs and outputs both expire at 60 minutes. They are stored encrypted on Cloudflare R2 and are not used to train any AI model.

Need more?

Email hello@pdftools.rexlama.kz or write to @pdftools_support on Telegram. Replies usually within 1 working day.