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mydubly tools directory
The mydubly dashboard opens 69 tools in one place: 7 AI tools for video translation, dubbing, transcription, YouTube transcripts and subtitle editing, plus 62 free in-browser converters for video to MP3, MP4 to MP3, compress video, crop video, SRT converters and more. Use the live app above, or open any dedicated tool page from the links below.
69 tools in the dashboard
62 free browser tools · no upload of the video file for converters
7 AI tools · credits for speech recognition, translation and voice
Credit-based tools that hear speech, translate, edit subtitles and optionally speak.
Dub or translate a video — voice, subtitles and transcript.
Timestamped transcript and subtitles from any video.
Detect speech and write timed SRT / VTT subtitles.
Generate, edit, style and burn subtitles — AI writing uses credits.
Translate podcasts and recordings with a new voice track.
Transcribe audio into a timestamped transcript.
Paste a YouTube link and get the words as text and subtitles.
Save the soundtrack of a video as an audio file. When the sound is already AAC it can be copied out without re-encoding.
Pull the soundtrack out of a video and save it as MP3, M4A, WAV, FLAC or OGG. The extraction runs in your browser, so even a long recording …
Turn a video file into an MP3 you can play on any phone, car stereo or laptop. Choose 128, 192 or 320 kbps, press convert, and download the …
Drop in an MP4 and get an MP3 back in seconds. The file is processed by your own browser, so private recordings stay private, and there is n…
Get the sound from an iPhone video, a QuickTime screen recording or a camera clip as an MP3. The converter reads MOV files with HEVC or H.26…
Save the sound from an MKV file as an MP3. MKV can carry many kinds of audio, from AAC and Opus to AC-3 surround, and the converter handles …
WebM is what browsers and many screen recorders save, and plenty of everyday apps refuse to open it. Convert the sound to MP3 here in a few …
Save a video's soundtrack as a WAV file: uncompressed 16-bit PCM at the original sample rate. It is the format audio editors, DAWs and analy…
Convert an MP4's sound to WAV, ready for Audacity, Premiere Pro, Logic, Reaper or any program that prefers plain PCM audio. It runs in your …
An MP4's sound is usually AAC, and M4A is simply AAC without the picture. This tool copies the sound stream straight across, so the M4A is b…
Change an audio file's format: phone recordings, voice notes, lossless masters and everything in between.
Change any audio file into MP3, WAV, M4A, FLAC or OGG. The converter reads the formats phones, recorders, messaging apps and studios produce…
Turn M4A recordings and songs into MP3 for any device or app that won't accept Apple's format. iPhone Voice Memos convert directly in Safari…
A WAV file is big because nothing in it is compressed. Converting to MP3 cuts it to a fraction of the size while keeping it pleasant to list…
FLAC keeps every detail of the original audio, but some phones, car stereos and apps still won't play it, and the files fill storage quickly…
OGG files play in many apps but not in all of them, and iPhones and some car stereos have long been the awkward ones. Convert the OGG to MP3…
A .aac file holds AAC sound without the M4A wrapper, and some players, editors and older devices refuse it. Convert it to MP3 in a few secon…
WhatsApp saves voice notes as Opus audio, usually in a .opus file that many players and upload forms don't recognise. Convert it to MP3 here…
AMR is the speech format mobile networks were built around, and call recorders and older phones still save it. Most computers can't play it.…
3GP was the video format of feature phones and early smartphones, and many family clips and voice recordings are stuck in it. Get the sound …
Some software only takes WAV: samplers, some editors, CD burning tools, telephone systems and scientific programs. Convert an MP3 to a stand…
Put a video into an MP4 that plays almost everywhere, copying the picture whenever the codec allows.
Most MOV files already contain video and sound that MP4 supports, so converting them doesn't need re-encoding at all. This tool copies the s…
MKV is a great recording format and an awkward delivery format: editors, phones and social platforms often refuse it. This tool remuxes the …
WebM videos from browsers and screen recorders use VP8 or VP9 pictures, which iPhones, many editors and some upload forms don't accept. This…
Cut a recording down, make it smaller, or check your microphone before you record.
Shrink an audio file to fit an email, a chat app or an upload form. Choose a target bitrate and, for voice recordings, mono; the tool shows …
Keep just the part of a recording you need. Listen in the built-in player, set the start and end from the playhead or by typing times, and s…
Check that your microphone works and is set to a good level before a call or recording. The meter shows the live level in dBFS and warns abo…
Pick the size you need, from an email attachment to a chat-app limit, and the compressor works out the settings.
Tell the tool how big the file may be and it works out the rest: it divides your size by the video's length, chooses a resolution that bitra…
To compress video for Discord, pick the limit your account has and let the tool fit the clip under it. Discord's help center currently gives…
Most mail services stop attachments at 20 or 25 MB, and the file grows by about a third on its way through the mail system. To compress vide…
WhatsApp's help center gives a default chat video limit of 100 MB at 720p on faster connections and 64 MB at 480p on slower ones; the 16 MB …
Crop, resize, rotate, trim, speed up or blur a video in the browser tab. Changes that only touch the file's metadata are copied without re-encoding.
To crop a video, pick a shape (9:16, 1:1, 4:5, 16:9, 4:3, 21:9 or Free), drag the box over the part of the picture you want to keep, and sav…
To convert a horizontal video to vertical, either crop a 9:16 window out of the 16:9 frame or fit the whole frame into a 1080×1920 canvas wi…
To resize a video, choose a new size, from 4K down to 360p, a 9:16 vertical or a 1080×1080 square, or type a width. If the new shape differs…
To resize a video for Instagram, pick Reels and Stories (1080×1920, 9:16), feed portrait (1080×1350, 4:5), feed square (1080×1080) or feed l…
To change a video's resolution, choose a step on the ladder (4K, 1440p, 1080p, 720p, 540p, 480p or 360p) and the picture is scaled while its…
To rotate a video, pick 90° right, 180° or 90° left, tick Mirror if the picture is reversed, and save. By default only the orientation flag …
To mute a video properly you don't need to touch the picture at all: the tool writes a new file with the same picture stream and no sound st…
To trim a video here, set a start and an end, either by typing times or by pausing the preview and taking the playhead position. The fast mo…
To change a video's frame rate, choose the new rate and the tool re-encodes the picture to it: frames are dropped evenly when you go down an…
To speed up a video, pick a speed from 1.25× to 4× (or 0.25× to 0.75× for slow motion) and choose whether to keep the sound with voices at t…
To blur part of a video, drag a box over the area, choose Blur or Pixelate and a strength, and apply it to the whole clip or only between tw…
To add audio to a video here, choose the video, then the audio file, and optionally say when the audio should start. The new sound replaces …
Turn a video into WebM, a GIF or still images, or pull out the subtitle tracks stored inside it.
To convert MP4 to WebM, the picture has to be re-encoded into VP9 (or VP8/AV1) and the sound into Opus, because WebM doesn't accept the H.26…
To turn a video into JPG images, open it here, pick the frame at the playhead, one frame every few seconds or a fixed number of evenly space…
To convert a video to GIF, choose the clip, set a start and end (up to 30 seconds), pick a width and frame rate, and the GIF is built in you…
To extract subtitles from a video, choose the MKV, MP4 or WebM here: the tool lists every subtitle track inside it with its language and fla…
Convert, merge, split, retime and clean subtitle files. Everything runs on the text in your browser.
Converting ASS to SRT keeps what is said and when, and drops what SRT has no room for: fonts, colours, positions and effects. This tool read…
Converting SRT to ASS gives you a script with a styles section, so fonts, colours, outlines and positions can be set once and applied to eve…
An SBV file holds the same information as an SRT, written slightly differently, so converting SBV to SRT changes the layout and nothing else…
TTML is an XML subtitle format, and converting TTML to SRT means reading its timing rules correctly: clock times, frame counts and ticks all…
Converting SRT to TTML wraps the same lines and times in Timed Text XML, the format some platforms, players and delivery specs ask for. This…
Converting SUB to SRT depends on which .sub you have. Text files in MicroDVD or SubViewer format convert here in seconds, with a frame-rate …
An LRC file says when each lyric line starts but never when it ends, so converting LRC to SRT means working out sensible end times. This too…
Converting SRT to LRC turns timed subtitles into the synced-lyrics format music players read: one [mm:ss.xx] tag per line. This tool writes …
Converting VTT to TXT strips everything a reader doesn't need, the WEBVTT header, cue numbers, timing lines, position settings, comments and…
Converting TXT to SRT means inventing timings the text doesn't have. This tool splits your text into subtitle-sized pieces, gives each one e…
Converting SRT to Word gives you a .docx that opens in Word, Google Docs or LibreOffice without cue numbers and arrow lines getting in the w…
Converting SRT to Excel puts every subtitle on its own row, with its number, start, end, duration in seconds and text, so you can sort, filt…
To merge SRT files for a video that was joined from parts, each file has to be shifted by the length of the parts before it. This tool appen…
A dual subtitles maker takes one video's subtitles in two languages and writes a single file that shows both. This one pairs the lines by ti…
A subtitle frame rate converter fixes subtitles that drift: right in the opening scene, seconds off after half an hour, minutes off by the e…
To convert an SRT to UTF-8 you first need to know what it really is. Drop the file in and switch the encoding until the preview reads correc…
To remove hearing-impaired text from an SRT, drop the file in and keep the switches you need: bracketed sound descriptions, text in parenthe…