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Free Subtitle Converter

Konverzija između SRT, VTT, SSA/ASS, SBV, TXT i JSON formata podnaslova u trenu. 100% na strani klijenta -- vaše datoteke nikada ne napuštaju vaš preglednik.

Ispusti datoteku sa podnaslovima ovdje ili klikni za pregledavanje

SRT, VTT, ASS, SSA, SBV, TXT, JSON

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O formatima podnaslova

        

          

            

              
SRT (SubRip)

              
Najčešće korišteni format podnaslova. Kompatibilan sa gotovo svim multimedijskim playerima i video platformama. Koristi milisekunde odvojene zarezom (HH:MM:SS,mmm).

            

          

          

            

              
VTT (WebVTT)

              
Format tekstnih tragova za web video. Dizajniran za HTML5 video i podržan od strane svih modernih preglednika. Koristi milisekunde odvojene tačkama (HH:MM:SS.mmm).

            

          

          

            

              
ASS / SSA (SubStation Alpha)

              
Podržava bogat stil, pozicioniranje, karaoke efekte i naprednu tipografiju. Popularan u anime fansubs i kompleksnim produkcijama podnaslova.

            

          

          

            

              
SBV (YouTube SubViewer)

              
Format SubViewer koji koristi YouTube. Jednostavan format vremenske oznake idealan za postavljanje video platformi i osnovne podnaslove.

            

          

        


        
Kako konvertovati podnaslove

        

          

            

              
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_Učitaj

              
Ispustite datoteku sa podnaslovima ili zalijepite njen sadržaj direktno u uređivač.

            

          

          

            

              
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Izaberi izlazni format

              
Ulazni format je automatski otkriven. Odaberite željeni izlazni format iz padajućeg izbornika.

            

          

          

            

              
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Pretvori i skini

              
Kliknite Konvertiraj da biste vidjeli pretpregled, a zatim preuzmite datoteku ili kopirajte u međuspremnik.

            

          

        

      

    

  







    

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Često postavljana pitanja


        

        

            
            

                

                
subtitle conversion runs in your browser: paste a URL, upload a file, or record from your mic. STT.ai picks the AI model and returns the transcript in under 5 minutes. Export as TXT, SRT, VTT, DOCX, JSON, or PDF.

            

            
            

                

                
Yes — every visitor gets 600 free minutes/month on STT.ai, usable for subtitle conversion the same as any other workflow. Paid plans starting at $5/month unlock longer files, private transcripts, and priority queueing.

            

            
            

                

                
subtitle conversion runs on the same AI models as the rest of STT.ai — our best models reach 95-97% accuracy on clean speech (3-5% Word Error Rate on benchmarks). Switch models on the fly if the first pass is below your target.

            

            
            

                

                
subtitle conversion can run on any of STT.ai's 10+ models — STT.ai Enhanced (most accurate), Whisper Large V3 (99 languages), NVIDIA Canary (#1 WER on supported langs), Whisper Turbo (fast), Moonshine (lightweight), and more.

            

            
            

                

                
Yes. Every transcript exports as SRT or VTT — works with YouTube, Vimeo, TikTok, VLC, and every major video player. The burn-subtitles tool overlays them onto video as hardsubs.

            

            
            

                

                
Yes. Speaker diarization automatically labels each voice (Speaker 1, Speaker 2, ...) and you can rename them in the built-in editor. Works across all models and languages.

            

            
            

                

                
Most subtitle conversion jobs finish in under 5 minutes. A 1-hour audio file typically completes in 2-3 minutes with our fastest models. Speed depends on chosen model and current GPU load.

            

            
            

                

                
subtitle conversion accepts 20+ formats — MP3, WAV, M4A, FLAC, OGG, MP4, MKV, MOV, WebM, AVI, and more. Output to TXT, SRT, VTT, DOCX, JSON, or PDF.

            

            
            

                

                
Yes. Audio files submitted to subtitle conversion are processed and deleted by default. Pro plans add client-side encryption — even if STT.ai's database is breached, your transcripts are unreadable without your key. Data is never used for model training without explicit opt-in.

            

            
            

                

                
Yes. STT.ai offers a REST API with Python and Node.js SDKs, plus an MCP server for Claude and Cursor — all usable for subtitle conversion workflows. Free API tier includes 100 minutes/month.

            

            
            

                

                
Yes. Every transcript opens in the built-in editor where you can correct words, rename speakers, adjust timestamps, and add notes. All changes save automatically.

            

            
            

                

                
Every transcript gets a unique shareable URL. Export to DOCX or PDF for email. Pro plans add password-protected and permanent links — useful for client work.

            

            
            

                

                
STT.ai handles 1,300+ platforms including YouTube, Vimeo, TikTok, SoundCloud, Zoom, Google Meet, podcast hosts, and more. URL transcription works with publicly-available content only — DRM-protected sources can't be transcribed.