Convert SRT to EBU-STL
Turn SRT subtitles into EBU-STL binary files: GSI header, TTI blocks, and ISO 6937 accented characters, ready for European delivery specs.
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Drop files here
Drag & drop or browse · SRT filesConverted in your browser. Files never leave your device.About an hour of footage is free. Larger files: $3 each, or Pro $9/month for everything up to 50 MB.
up to 2 files · 100 KB each
free to start · project to project: $5 · every other conversion: $3 · Pro $9/month · pricing
Converting as a guest. A free account has no monthly cap on files within the free size limit.
Como converter SRT para STL
Converta um SRT em um arquivo EBU-STL conforme Tech 3264 — o formato de legendas exigido por emissoras europeias. O CutConvert gera o bloco GSI e os blocos TTI binários com codificação ISO 6937, que representa corretamente os acentos do português por meio de caracteres combinados. A saída é verificada quadro a quadro contra a cadeia de referência do IRT alemão.
Adicione seus arquivos SRT
Arraste suas legendas .srt para a área de upload ou clique para selecionar.
Converta SRT para STL
Clique em Converter. Cada cue é codificado como bloco TTI com tempos a 25 fps e caracteres ISO 6937.
Baixe o .stl
Baixe o arquivo EBU-STL pronto para a sua entrega broadcast.
Arquivo SRT e Legendas EBU-STL, explicados
EBU-STL (Tech 3264) é o formato de intercâmbio de legendas do broadcast europeu: um arquivo binário com bloco GSI de metadados e blocos TTI de 128 bytes por legenda. Continua sendo requisito de entrega em emissoras de toda a Europa. Atenção: não confunda com os arquivos .stl de impressão 3D — o conversor detecta e rejeita esses automaticamente.
Gere arquivos .stl EBU (Tech 3264) para entrega broadcast europeia a partir de legendas SRT. É grátis para começar, criptografado em trânsito e converte um lote inteiro em um único ZIP — faça login quando precisar de trabalhos grandes e de alto volume.
Perguntas frequentes sobre SRT para STL
O que é um arquivo EBU-STL?
O formato binário de legendas da EBU (especificação Tech 3264): um bloco GSI de metadados seguido de blocos TTI de 128 bytes por legenda, com timecode a 25 fps. É o formato de entrega histórico e ainda vigente do broadcast europeu.
Acentos e caracteres especiais são preservados?
Sim — o EBU-STL usa a codificação ISO 6937, que representa á, é, ã, õ, ç e os demais caracteres latinos acentuados por sequências de acento combinado. O conversor faz essa codificação automaticamente.
Qual taxa de quadros o STL gerado usa?
25 fps (STL25.01), o padrão do broadcast europeu. Se o seu SRT vem de um master em outra taxa, vale conferir os tempos contra o master de entrega.
É grátis?
A conversão broadcast é grátis para testar com arquivos pequenos (até 100 KB). Para arquivos completos, os planos começam em US$ 9/mês.
Guias para este fluxo de trabalho
- MacCaption alternativesFinal sale 2022, support ended May 2023, and the official successor is Windows-only. The real options, split by what you actually used MacCaption for.Ler o guia
- How we verify conversionsReferences we didn't write: reference decoders, published test corpora, property matrices, and independent implementations, documented format by format.Ler o guia
- What is an EBU-STL?Europe's broadcast subtitle format decoded: GSI and TTI blocks, the ISO 6937 accent model that breaks other tools, and converters for both directions.Ler o guia
- SCC vs MCC vs STLThe broadcast caption decision table: how to tell which format your delivery spec is asking for, what differs under the hood, and one SRT to all three.Ler o guia
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Why editors trust it
Free to start
Convert everyday batches for free. Create an account when you need large, high-volume jobs.
Batch in, one ZIP out
Convert a batch within your allowance and download a single ZIP, or one file if that is all you need.
Made for editors
Whole timelines from Premiere, Final Cut and Avid with transitions, markers, titles, keyframes, levels, nests and bins; captions that keep their italics, colour, placement and speakers across SRT, VTT, ASS, TTML, iTT, SCC and STL, any of them in, any of them out; transcripts into Premiere with the words the engine timed. Frame rates and timecode handled the way post expects.
Private by design
Files are converted in your browser. Queued files can be saved locally to restore your job after checkout. Conversion metadata helps us diagnose errors; file contents are not uploaded.
Questions, answered
Where are my files processed?
In your browser. The converter runs on your own machine and the file never leaves it; the site only records that a conversion happened. CutConvert never sees, stores, sells or shares your media.
Is it free? Do I need an account?
About an hour of footage per file is free, on every converter: 100 KB of subtitles or captions, 500 KB of Word transcript, 2 MB of transcript JSON, 1 MB of Resolve project, 5 MB of Final Cut XML, with Premiere projects and Avid AAF a little under the hour. CapCut projects are free up to 500 KB, a short edit, since their size follows how much is in the edit rather than its length. Guests get five conversions a month, a free account has no monthly cap within those sizes, and above that project-to-project transfers are $5 per file. Every other conversion is $3, including project files to captions, reports or cut lists, and captions or transcripts into an editor. Pro is $9 a month ($90 a year) for every file type up to 50 MB; Studio is $19 a month ($190 a year) for files up to 500 MB. Paid-file access lasts 24 hours.
What do I get when I convert multiple files?
Drop several files and you get back one ZIP archive containing every converted file. Convert a single file and you get that one file back, no ZIP. Tick extra formats under the output chips and the same ZIP carries every one of them, and a file counts as one conversion whatever it is written to.
Which formats are supported?
Timelines: Premiere .prproj, DaVinci Resolve .drp (as exported, or gzip- or Zstandard-wrapped), Avid AAF and Final Cut FCPXML in; FCP7 XML, FCPXML, Resolve .drp, CMX 3600 EDL and shot-list CSV out. A Premiere or Final Cut edit travels with its transitions, markers, titles, opacity and scale keyframes, clip volume, speed changes, nested sequences, bins, audio channel routing and each file's own frame rate, wherever the output has a place for them; an Avid AAF brings its transitions, markers, clip levels with their keyframes, muted tracks, nested stacks and each clip's own rate. Captions and transcripts, read and written: SRT, WebVTT, SBV, ASS, TTML, DFXP, iTT, SCC, MCC (a second 608 channel comes out as its own file), EBU-STL, Avid caption TXT, CapCut drafts of any size, timed CSV, Word, plain text, Whisper, WhisperX, AssemblyAI, Deepgram, Rev.ai and CapCut JSON, TwitchDownloader chat logs as a chat replay, Premiere transcript JSON and .prtranscript, Rev, Otter and Word-style transcripts, with italics, colour, placement and speakers kept where the output can hold them and measured word timing into Premiere. EDLs become event CSV reports. The capability table lists what every pair keeps.
Can I pick a frame rate?
Yes. For EDL and Avid caption output you can choose 23.976, 24, 25, 29.97, or 30 fps, or let CutConvert auto-detect it from your source.