67 free tools
Gratis online hulpmiddelen
Snelle hulpprogramma 's voor de niet-glamoureuze helft van het maken van dingen: formaatconversie, formaat wijzigen, compressie, kleur, audio. Elk van hen draait op uw eigen apparaat, zodat uw bestanden het nooit verlaten.
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Beeldgereedschap
26 tools
- Image ResizerResize images to any width or height in your browser, keeping the aspect ratio, with no upload and no watermark.
- HEIC to JPGConvert the .heic photos your iPhone saves into ordinary JPGs, right here in your browser. Batch a whole camera roll, and nothing is ever sent to a server.
- JPG to PDFTurn photos into a PDF in your browser, one page per image, in the order you set. Nothing is sent to a server and there is no watermark on the result.
- WebP to PNGTurn WebP files into PNG right here in your browser, with transparency intact and nothing sent to a server.
- WebP to JPGConvert WebP images to JPG in your browser, choose the quality and the colour that replaces transparency, and download without uploading anything.
- PNG to PDFTurn PNG images into a PDF in your browser, one page each, with transparency handled properly rather than turned into a black rectangle.
- Collage MakerArrange your photos into a clean grid collage in your browser, choosing the columns, cell shape and spacing, with nothing uploaded.
- Image CompressorCompress JPG, PNG and WebP images in your browser, choosing the quality yourself and seeing exactly how many bytes you saved.
- Image to PDFTurn any mix of images into one PDF in your browser, one page each. JPG, PNG, WebP, HEIC and more, in the order you set, with no upload and no watermark.
- PNG to JPGConvert PNG images to JPG in your browser to cut the file size, with control over quality and the colour that fills in transparency.
- HEIC to PNGTurn an iPhone .heic photo into a lossless PNG in your browser. The right choice when the image is going into an edit, and the wrong one for a camera roll.
- HEIC to PDFTurn the .heic photos an iPhone saves into a PDF in your browser, one page per photo. No app, no upload, and no conversion step before it.
- SVG to PNGRasterize SVG files to PNG at any size you choose, in your browser, with transparency kept and no upload.
- AVIF to JPGConvert AVIF images to JPG in your browser so software that has never heard of AVIF can finally open them.
- JPG to PNGConvert JPG images to lossless PNG in your browser, ready for editing pipelines that need a format which does not degrade on every save.
- AVIF to PNGConvert AVIF images to lossless PNG in your browser, keeping transparency and giving you a file every editor will open.
- Compress PNGMake a PNG smaller in your browser, with the size you saved shown for every file. When a PNG is already as small as it gets, this says so instead of handing you a bigger one.
- Flip ImageMirror an image horizontally or vertically in your browser, in batches, with the original format kept and nothing uploaded.
- Image ConverterConvert between PNG, JPG, WebP, AVIF, GIF, BMP and SVG in your browser, picking the output format yourself, with nothing uploaded.
- PNG to ICOTurn a PNG into a real multi-resolution .ico favicon containing 16, 32 and 48 pixel versions, built in your browser.
- Favicon GeneratorTurn one image into the complete favicon set in your browser, .ico plus every PNG size, a web manifest and the markup to paste.
- Image SplitterCut one image into an even grid of tiles and download them as a zip, named by row and column so you know the posting order.
- Pixelate ImageBlur out a face, a plate or a screenshot by pixelating it in your browser, with the block size under your control and no upload.
- PNG to WebPConvert PNG images to WebP in your browser to cut page weight, keeping transparency and choosing your own quality level.
- JPG to WebPConvert JPG images to WebP in your browser and typically cut 25 to 35 percent of the file size at the same visual quality.
- Rotate ImageTurn an image 90, 180 or 270 degrees in your browser, in batches, keeping the original format and uploading nothing.
Video hulpmiddelen
20 tools
- GIF MakerCombine photos or frames into one looping GIF. Set the order and the time per frame, and everything happens in your browser, including iPhone HEIC photos.
- MP4 to GIFTurn a short MP4 clip into a looping GIF that autoplays anywhere. Frame rate and width are under your control, because they decide whether the GIF is shareable or enormous.
- Video to GIFTurn a clip from any common video format into a looping GIF. MP4, MOV, WebM, MKV and AVI all go in; a palette-tuned GIF that autoplays anywhere comes out.
- Video CompressorShrink a video to a fraction of its size, in your browser, with hardware-accelerated encoding where your browser offers it. Pick a resolution and quality; get an MP4 that plays everywhere.
- Video ConverterConvert between MP4, MOV, MKV and WebM in your browser. Streams the target format can hold are copied without re-encoding, so most conversions finish in seconds.
- MOV to MP4Turn a QuickTime .mov into an .mp4 that plays anywhere. In most cases the video is copied, not re-encoded, so it finishes in seconds with zero quality loss.
- GIF CompressorMake an animated GIF smaller while it stays a GIF. Cut colours, pixels or frames, in that order of pain, and watch the size drop with each pass.
- MKV to MP4Repackage an .mkv into an .mp4 that phones, TVs and editors accept. The picture is almost always copied unchanged; only incompatible audio gets re-encoded.
- GIF to MP4Turn a heavy animated GIF into a small MP4 video, usually a tenth of the size with smoother playback. The single most effective compression on this site.
- WebM to MP4Turn a .webm into an .mp4 that iPhones, editors and QuickTime accept. This conversion genuinely re-encodes, and this page is honest about what that costs.
- WebP to GIFTurn an animated or still WebP into a GIF in your browser, with a palette built from your own frames. Nothing is sent to a server and there is no queue.
- GIF ResizerScale an animated GIF to a smaller width in your browser without freezing it into a still. The palette is rebuilt from the scaled frames so the colours hold up.
- AVI to MP4Bring a .avi from the old world into one that phones and browsers play. DivX-era video is usually copied straight across; truly ancient codecs re-encode automatically.
- Compress MP4Make an MP4 small enough to send. Re-encodes at a bitrate the content actually needs, with hardware acceleration where your browser has it, and stays an MP4 throughout.
- GIF to PNGSplit a GIF into numbered PNG frames in your browser and take them as one zip. A still GIF gives you one file, an animation gives you every frame in order.
- PNG to GIFTurn one PNG into a GIF, or a set of them into a looping animation, entirely in your browser. You choose the order, the frame timing and the width, and nothing is sent to a server.
- MP4 to WebMConvert an MP4 into a WebM in your browser, with the picture re-encoded to VP8 or VP9 and the audio to Opus. Nothing is sent to a server and there is no queue to wait in.
- Remove Audio From VideoStrip the soundtrack out of a video without touching a single frame. The picture is copied, not re-encoded, so it finishes in seconds and looks exactly as it did.
- HEVC to MP4Put an HEVC recording into an MP4 container in your browser, copying the picture across without re-encoding it wherever the streams allow. Most files finish in seconds.
- Optimize GIFCut a GIF down to size in your browser with three controls that each say what they cost: fewer colours, fewer pixels, fewer frames. Nothing is uploaded.
Audio gereedschap
16 tools
- MetronomeA steady metronome in your browser with tap tempo and accented downbeats, scheduled on the audio clock so the beat never drifts.
- MP4 to MP3Pull the audio track out of an MP4 and write it as an MP3, entirely inside your browser. The video never leaves your device, and there is no queue to wait in.
- Mic TestCheck that your microphone works and is at the right level, with a live meter and a peak reading, without recording or uploading anything.
- Video to MP3Turn any common video file into an MP3 without leaving the page. MOV, MKV, WebM, AVI and a dozen others are read directly by your browser, and none of them get sent anywhere.
- BPM FinderFind the tempo of any audio or video file in your browser, with tap tempo as a fallback and an honest confidence figure.
- M4A to MP3Convert M4A files, including iPhone voice memos, to MP3 in your browser. Pick the bitrate you want and the file stays on your own machine the whole time.
- MP3 to WAVDecode an MP3 into an uncompressed WAV in your browser, at the original sample rate. Useful for software that only reads WAV, and honestly useless for quality.
- WAV to MP3Encode a WAV into an MP3 roughly a tenth of the size, in your browser, at the bitrate you choose. This is the one direction where the conversion is genuinely worth making.
- Online Voice RecorderRecord your voice in the browser with a live level meter and download the file, with nothing uploaded and no account needed.
- Tone GeneratorGenerate a pure tone at any frequency from 20 Hz to 16 kHz in your browser, with four waveforms and the nearest note name shown.
- Audio ConverterConvert between MP3, WAV, M4A, OGG, Opus and FLAC in your browser, or pull the audio out of a video. Pick the output, pick the bitrate, and nothing gets sent to a server.
- M4A to WAVTurn an .m4a recording into an uncompressed WAV inside your browser, at its original sample rate. Nothing is sent to a server and nothing waits in a queue.
- MP4 to WAVExtract the audio from an MP4 as uncompressed WAV, in your browser, at the original sample rate. This is the format transcription tools and editors actually want.
- OGG to MP3Convert OGG Vorbis files to MP3 in your browser, which is what game audio and older open-source recordings usually need before anything else will play them.
- FLAC to MP3Encode your lossless FLAC library into MP3 for a phone, a car or a player that will not read FLAC, at up to 320 kbps and without the files leaving your machine.
- Audio CompressorMake an audio file smaller by re-encoding it at a lower bitrate, in your browser. This changes the file size, not the dynamics, which is a different thing entirely.
Hulpprogramma 's voor makers
5 tools
- Color Palette GeneratorPull a colour palette out of any image in your browser, with hex, RGB and HSL for every swatch and a click to copy.
- Aspect Ratio CalculatorWork out the missing width or height for any aspect ratio, from 16:9 and 9:16 to the cinema ratios, with no maths and no sign-up.
- RGB to HexPaste any RGB value and get the hex code back instantly, along with HSL, HSV and CMYK, all computed in your browser.
- Contrast CheckerCheck any two colours against every WCAG 2.1 threshold at once, with a live preview of real text, computed in your browser.
- Hex to RGBPaste a hex colour and get the RGB channels back instantly, along with HSL, HSV and CMYK, computed entirely in your browser.
Bestanden die u hier neerzet, worden verwerkt door uw eigen browser. Er wordt niets geüpload en er wordt niets opgeslagen op onze servers - de tools blijven werken, zelfs als u uw verbinding verliest nadat de pagina is geladen.