Seconding the recommendation above. I totally agree that formatting is the biggest headache with these long manuals. I recently tried DeepL Pro Business for a technical guide, and while it's good, I actually had a pretty disappointing experience with some data privacy stuff. It makes me nervous how these tools handle sensitive specs... I mean, I ended up trying Smartcat instead because it feels a bit safer for bulk industry-specific work. It kinda keeps things more organized, though I'm still a beginner with it lol. Good luck!

I went through this last year when I was tasked with translating about 200 pages of technical documentation for a manufacturing firm. Honestly, it's a nightmare when you're trying to keep the diagrams and tables in the right spot. In my experience, the biggest hurdle isn't just the words—it's the formatting layers inside the file. Over the years, I've tried many different setups, and I've found that generic tools basically just "read" the text and spit it back out, completely destroying your margins and image captions in the process.

Sooo, I eventually moved away from the basic web interfaces. I started using DeepL Pro Business because it actually respects the document structure much better than the free versions. Basically, it treats the PDF or Word doc as a layout template rather than just a string of text. For the industry-specific terminology you mentioned, I found that the "glossary" feature is a total lifesaver. I spent a few hours building a custom term base, and it reallyyy helped keep the technical jargon consistent across all 50 pages.

Another thing I've learned is that for really complex layouts, sometimes you gotta use a CAT tool. I messed around with Trados Studio 2022 for a bit, and while it has a steep learning curve, it's pretty much the gold standard for keeping formatting 100% intact while using AI engines in the background. It's a bit of an investment, but if you're doing this bulk work often, it's highkey worth it. Anyway, just sharing what worked for me during that project... good luck with the manual!!

> I’m currently struggling with a 50-page technical manual and Google Translate just isn't cutting it for the layout or context. I need a tool that handles large PDFs or Word docs without losing formatting...

Oh man, i feel u on this! I'm pretty new to all this but I had to translate a massive manual for work last month and Google Translate literally ruined my life haha. Honestly, for your situation, I would suggest DeepL Pro Starter because it’s a total lifesaver for layout.

I mean, i was so happy that it kept all my weird tables and diagrams exactly where they belonged! It costs about $8.74 a month if you pay for the year, which is way cheaper than hiring a pro. Plus, you get a free trial to see if it likes your file type. Actually, DeepL Pro Advanced is another option if you have HUGE files, but the Starter version worked fine for my 50-pager. Just be careful with PDFs cuz they're always kinda tricky, maybe convert to Word first? Anyway, it's lowkey the best budget way to keep things looking clean without spending a fortune. Hope that helps! 👍

tbh i disagree with just jumping from tool to tool based on the interface alone. if youre doing 50+ pages of high-stakes technical stuff, you really need to look at the actual performance metrics and how the engine handles long-context dependencies. generic tools often lose the thread by page 20 because their context window gets saturated or they dont handle the document tag structure properly during the round-trip. before you commit to another platform, id ask a couple things about your technical specs: 1. what is your specific requirement for terminology consistency? are you measuring accuracy against an existing TMX/glossary, or are you looking for a zero-shot solution that just 'knows' your industry?
2. is the layout complex (nested tables, anchored objects) or just standard paragraphs? basically, are you prioritizing the LLMs BLEU/COMET scores or its ability to parse an XLIFF/XML schema without breaking the DOM? accuracy is a data and architecture problem, not just a UI choice. you might need to look at how different engines handle long-range context before wasting more time.

> I’m currently struggling with a 50-page technical manual and Google Translate just isn't cutting it for the layout or context. I totally get where youre coming from! Im still pretty new to all this too, but I have been lurking in a few translation groups and reading a lot of reviews lately. Honestly, even though the big names are popular, I have seen a bunch of people suggest using Claude 3.5 Sonnet for high-context stuff because it feels way more human and handles long docs surprisingly well, you know? But wait, I wanted to ask first—what language pair are you actually working with? Like, is it something common or a bit more rare? I think the community usually says the accuracy really depends on that, right? Basically, from what I have gathered, the reason the layout gets so messy is that most tools struggle with the nested tags inside a PDF. It is literally so frustrating!!! Some people in other forums mention that it helps a lot to convert the file to a clean Word doc first using a dedicated converter before you even start the translation process. A few other tools I have seen mentioned in community reviews for this kind of thing are:

• ModernMT because it is supposed to learn from your corrections in real time
• Lilt which is popular for more professional workflows
• MateCat which is an open source option people seem to like I am not 100% sure which is best for a full 50 pages tho, but maybe one of those fits your needs better than the standard stuff???

Building on the earlier suggestion, i saw this thread earlier but just now getting a chance to jump in and oh my god i am literally dealing with the exact same headache right now!! I have been struggling with a 75-page manual for hydraulic pumps and it is honestly soul-crushing when the diagrams get all messed up. I totally feel your pain! I ended up trying out Redokun Standard Plan which is roughly 150 a month and it is seriously amazing for keeping the layout perfect while you work. I also love using Lilt AI Platform for the really technical terms because it learns as you go which is just fantastic. It has made my life way easier this week, i was about to give up before i found those tools! Honestly, if you are doing high volume work like this, it is totally worth the cost to not have to re-do all the tables manually... that was literally ruining my life haha.

In my experience over the years, handling 50-page technical manuals requires a tool that prioritizes data security and structural integrity above all else. Generic tools often leak data or break the layout during the round-trip process. If you want something that actually holds up for professional use, I recommend memoQ Translator Pro. It costs around $770 for a perpetual license. It is a bit of a learning curve, but the way it manages term bases ensures your industry-specific words stay consistent across the whole doc. For a cloud-based approach that handles bulk work without the typical formatting mess, Phrase TMS Team Plan is very reliable. It usually starts at about $250 a month for the professional tiers. It lets you plug in your own AI engines while keeping your proprietary info within a secure environment. Most people rush for the easiest UI, but focusing on the translation memory and security is gonna save you a lot of grief in the long run, honestly. Just safer that way.

Can vouch for this

Late to the party but this whole thread is 💯. Glad I found it.

^ This. Also, honestly its just ridiculous how much these companies charge for stuff that barely works half the time. You pay a premium and the formatting still ends up looking like a total mess. Drives me crazy that we are expected to shell out hundreds of dollars for tools that still require us to go in and fix every single diagram manually. Its basically a scam at this point. You might want to be careful with these high-end platforms because half the time you're just paying for fancy marketing while the actual translation engine is mid. These tech companies dont care about the user, they just want those subscription fees while the quality stays garbage. Seriously, the stress of trying to fix a 50-page doc when the software you paid for just mangled it... its soul-crushing. You really have to watch out because most of these services are just overhyped and underpowered. It feels like a losing battle most days.

Any updates on this?

Bump - same question here

Helpful thread 👍

Can confirm