Tools
Compress, resize, extract, combine: task-shaped tools, all in your browser.
Open and check
Audio files to text (and WhatsApp, Telegram voice messages)
Audio to Text (Transcription)MP3, M4A, WAV, OGG, Opus or a video: speech recognition writes it down in your browser. No upload, no minute limit, around a hundred languages.WhatsApp Voice Message to TextRead a voice note instead of listening to it. Drop the .opus or .ogg file: it is transcribed on your device, never sent to a server.Video to Subtitles (SRT, VTT)MP4, MOV, MKV, WebM in; timed SRT or VTT captions out, ready for YouTube, Premiere, DaVinci Resolve or a video player. Made on your device.
🖼️ Images
Image ConverterJPG, PNG, WebP, AVIF, JPEG XL, HEIC, GIF, BMP, ICO. Any direction, with real codecs, in your browser.Compress ImageShrink JPG, PNG and WebP files by 50–90% with mozjpeg, oxipng and libwebp. Pick the quality, see the size before you download.Resize ImageSet a width, a height, or both with a fit rule, or scale by percentage. High-quality resampling, and it will not enlarge unless you ask.HEIC to JPGOpen iPhone photos anywhere. Batch convert HEIC to JPG in your browser: the photos never leave your device.Favicon GeneratorOne ICO with 16, 32, 48, 64, 128 and 256 px sizes inside, PNG-compressed. Drop a PNG or SVG logo.
🎬 Video
Video ConverterMP4, MOV, MKV, WebM, AVI and more. FFmpeg compiled to multithreaded WebAssembly: no upload, no queue.Compress VideoH.264 at a higher CRF: typically 3 to 6 times smaller with little visible difference. Nothing uploaded.Video to GIFTwo-pass palette generation for clean colours. Choose width and frame rate; keep clips short.Extract Audio from VideoMP4, MOV, MKV, WebM in, MP3, WAV, M4A, FLAC out. Fast, because only the audio is processed.
🎧 Audio
Audio ConverterChoose the bitrate. Lossless in, lossless out when you want it.Cut AudioKeep only the part you want of an MP3, M4A, WAV or voice note: drag the edges on the waveform, listen, add a fade, save. Nothing is uploaded.Audio Volume BoosterMake a quiet recording louder or a loud one quieter, in decibels, with a live preview and a limiter that prevents distortion. Nothing is uploaded.
📄 Documents
Images to PDFJPG, PNG, HEIC, WebP become one multi-page PDF, in the order you drop them. Fit to image, A4 or Letter.PDF to ImagesOne image per page at 72, 150 or 300 dpi. Download individually or as a ZIP.PDF to WordParagraphs, headings, bold, italic, links, tables and images, rebuilt as a real DOCX in your browser. Your PDF is never uploaded.PDF to TextPulls the text layer with line breaks preserved. Scanned PDFs need OCR (coming).