Add your XLIFF file
Drop one or more .xliff files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
Converting a .xliff font to .qts repackages the same glyphs and metrics for a different delivery target. Free, private, and validated — the file never leaves your browser.
Batch files can each use a different output. Nothing uploads for local conversions.
Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.Converting a .xliff font to .qts repackages the same glyphs and metrics for a different delivery target. A .xliff file is an XLIFF document written with the long extension, most often at version 2.0 — the redesigned OASIS standard in which each translatable string is a unit containing one or more segments, each with its own source and target. The payload matches the .xlf form; the structure is what changed.
A Qt Linguist translation source — catalogued here as .qts — is the XML file a Qt application is translated in: a <TS> document holding <context> groups, each containing <message> elements that pair a <source> string with its <translation>. Qt names these files .ts, which collides with TypeScript, so Novus Convert recognises them by the .qt.ts suffix and files them under .qts to keep the two apart. For this route the practical draw is context grouping gives translators genuine information about where a string appears and review state and obsolete strings are typed attributes, not conventions — balanced against the .ts extension collides with TypeScript, which breaks naive tooling constantly, which is worth knowing before you commit a large batch.
The practical trigger for this conversion is usually a mismatch: with .xliff, less widely supported than 1.2 despite being the newer standard. Switching to .qts buys you context grouping gives translators genuine information about where a string appears, which is why it is the better fit for translating a Qt or KDE desktop application. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.
| Aspect | XLIFF 2.0 (.xliff) | Qt Linguist TS (.qts) |
|---|---|---|
| Format type | Text-based — characters and structure, so there is no visual quality loss | Text-based — characters and structure, so there is no visual quality loss |
| How it stores data | the root xliff element carries srcLang and trgLang, replacing 1.2's source-language and target-language on file | the root <TS> element carries a version and the target language; <context> groups messages under a <name>, conventionally the class that contains them |
| Strongest at | interchange with tooling built against the 2.0 core | translating a Qt or KDE desktop application |
| Weak spot | less widely supported than 1.2 despite being the newer standard | the .ts extension collides with TypeScript, which breaks naive tooling constantly |
| Metadata | unit identifiers, source and target text and the declared languages are preserved. Module data — change tracking, glossary entries, translation candidates — and inline markup are not represented in flat key-value targets | source strings and translations are preserved, keyed on the source text. Context grouping, source locations, the unfinished/vanished state attribute and numerus plural forms are not represented in flat catalog targets |
Drop one or more .xliff files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
Select .qts in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if QTS is selectable, the route is real and validated.
Press Convert. The font tables are parsed and rewritten locally with fonteditor-core; glyph outlines, hinting, and kerning survive the trip.
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid QTS file. Outputs keep the original filename with the .qts extension.
There is no visual quality to lose — xliff is text-oriented and qts is text-oriented, so the question is structural fidelity. Text, ordering, and basic structure are preserved; complex layout, embedded objects, and styling beyond the target's model are simplified.
Yes — the .xliff file is processed inside your browser tab and never uploaded. The font tables are parsed and rewritten locally with fonteditor-core; glyph outlines, hinting, and kerning survive the trip. Close the tab and the file is gone from memory.
Qt Linguist, Qt Creator and KDE's Lokalize read .ts natively, and the larger translation platforms support it. Elsewhere it is rarely recognised — and the extension collision means generic tools frequently mistake it for TypeScript. Novus Convert keys entries on the source text, rejects documents with a doctype or custom entities, and converts to and from the other localization formats.
It depends on the content: the root <TS> element carries a version and the target language; <context> groups messages under a <name>, conventionally the class that contains them. Convert one representative file first and compare before batch-processing a large set.
In .xliff, unit identifiers, source and target text and the declared languages are preserved. Module data — change tracking, glossary entries, translation candidates — and inline markup are not represented in flat key-value targets. Re-encoding through the browser pipeline does not carry embedded metadata into the output, which doubles as a privacy scrub — check the exported file if you specifically need tags preserved.
Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .xliff → .qts → .xliff is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.