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Tips, tutorials, and insights about PDF translation and AI document processing.

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Hand-drawn phone held above a sheet of paper on a table, with the page framed on the phone screen
9 min read

How to Photograph Document Pages for Translation: Phone Tips and What to Check

You can translate a paper document from phone photos, but the photo decides what can be read. Here is how to shoot each page flat and evenly lit, put the photos in order, what iSomor does with them before upload, and which spots to check against the paper afterwards.

Hand-drawn PDF page whose lines flow into a plain sheet of paper, with one teal line and a small magnifying glass
8 min read

How to Convert a PDF to Text (TXT) and Check What Came Out

Converting a PDF to text only works when the PDF already has a text layer, and the TXT file keeps the words, not the layout. Here is how to extract the pages you need, and the six places to check against the original before you paste the text anywhere.

Hand-drawn open report booklet with a table, one row in teal, under a magnifying glass
10 min read

How to Translate an Annual Report PDF: Tables, Units, and Notes to Check

A translated annual report can read smoothly while a unit, a minus sign, or a fiscal year label quietly changes. This guide shows what to check in a 10-K, an annual report, or a Japanese securities report, and a section-by-section workflow for checking it against the original.

Hand-drawn word card branching into two cards, one teal, next to a document page under a magnifying glass
10 min read

One Word, Several Meanings: How to Check Names and Terms When Translating a PDF

Words like "bank", "cell", or the Turkish "Türk" can each mean more than one thing, and a translation can pick the wrong sense while still reading smoothly. This guide shows how to find such words, decide each term once, and check every occurrence against the original.

Hand-drawn open thick book with a coral bookmark next to three slim volumes standing in a row, one of them teal
10 min read

How to Translate a Long PDF (300+ Pages) Without Losing the Layout

Pasting a 300-page book into a chat window rarely works. This guide gives a practical workflow for long PDFs: a pre-flight checklist, how to split a book sensibly, which output to choose, and how to review the translation chapter by chapter.

Hand-drawn open document with arrows showing the reading path down the left column and then the right column, with a magnifying glass
6 min read

Two-Column PDF Translation Out of Order? What to Check Before and After

When a two-column PDF is translated, a sentence from the left column can end up joined to one from the right. Every word is still there, so it is easy to miss. This guide explains why it happens and which spots to check before and after translation.

Two document pages side by side with matching highlighted lines and a table linked between source and translation
5 min read

How to Check a PDF Translation Against the Original: Numbers, Terms, and Tables

A fluent translation can still change a number, drop a "not", or shift a table column. This guide shows how to use a bilingual PDF to check a translation against the original in focused passes, and what to record when something is wrong.

Two document pages side by side, with highlighted equation blocks in the same positions on the source and translated page
5 min read

How to Translate a PDF with Math Equations Without Breaking the Formulas

Equations break in PDF translation when a tool treats them as words. Learn which PDFs keep their formulas, a step-by-step workflow, what to check afterwards, and where the limits are.

7 min read

How to Fix Line Breaks in Text Copied from a PDF

Copied PDF text often mixes line breaks, split words, headings, and lists. Learn what to clean up first—and what deleting line breaks cannot fix.

Paper-and-ink foldout manual with instruction bullets linked to a gear-and-shaft diagram on a mint panel, with coral markers.
7 min read

How to Translate a Technical Manual PDF: Steps, Diagrams, and Terminology

A practical workflow for translating technical manuals: match the correct revision, review procedure order, preserve identifiers and units, and connect instructions with diagrams.

Three curved sheets with a mint chapter tab lift from a thicker document stack marked with a coral tab, drawn in black ink on warm off-white paper.
6 min read

How to Translate Only Selected Pages of a PDF

Extract a chapter or selected PDF pages, check page numbering and context, then upload the smaller file for translation. A practical guide to keeping the right pages together.

Paper-and-ink illustration of a page on an open scanner, with a magnifying glass enlarging mint-highlighted text lines and coral selection markers.
8 min read

How to Translate a Scanned PDF: What to Check First

Before translating, work out whether your PDF is an original digital file, a scan, or a mix of both. iSomor translates both; for scans, it recognizes the text first, so check the result or find the original file.