--- title: "How-To Guides for Free Online Tools | ToolSugar" description: "Short guides for every ToolSugar tool. Learn how to compress a video, remove vocals, merge a PDF, convert a HEIC photo, format JSON and more." canonical: https://toolsugar.com/blog image: https://toolsugar.com/og.png --- # How-to guides for video, audio, PDF and more Short guides for every ToolSugar tool. Learn how to compress a video, remove vocals, merge a PDF, convert a HEIC photo, format JSON and more. ## AI tools - [How to remove music from a video](https://toolsugar.com/blog/how-to-remove-music-from-a-video): Remove background music from a video and keep the speech. See the steps, what the model keeps, how long it takes and what it cannot fix. - [How to remove vocals from a song](https://toolsugar.com/blog/how-to-remove-vocals-from-a-song): Split a song into an instrumental and an isolated vocal in your browser. Pick MP3 or WAV, and see why a faint trace of the singer can remain. - [How to add subtitles to a video](https://toolsugar.com/blog/how-to-add-subtitles-to-a-video): Generate SRT, VTT or text subtitles from speech, or burn captions into an MP4. It runs a Whisper model in your browser and uploads nothing. - [How to translate a video](https://toolsugar.com/blog/how-to-translate-a-video): Translate a video into another language as subtitles that keep their timing. See what leaves your device and how to get a translated SRT file. - [How to transcribe audio to text](https://toolsugar.com/blog/how-to-transcribe-audio-to-text): Turn a voice memo, meeting or lecture into text, SRT or VTT. It runs on your device. Learn what makes a transcript cleaner. - [How to dub a video with AI](https://toolsugar.com/blog/how-to-dub-a-video-with-ai): Dub a video into another language with an AI voice timed to the original lines. See the languages, size limits and what the dub replaces. - [How to turn long videos into shorts](https://toolsugar.com/blog/how-to-turn-long-videos-into-shorts): Cut a long video into vertical 9:16 clips for Shorts, Reels and TikTok. See how moments are chosen, how framing works and which videos suit it. - [How to edit a video with AI](https://toolsugar.com/blog/how-to-edit-a-video-with-ai): Cut long pauses, filler lines and repeated takes from a talking video. See what gets removed, what stays and how to read the cut list. - [How to remove background noise from audio](https://toolsugar.com/blog/how-to-remove-background-noise-from-audio): Remove background noise from a voice recording or video in your browser, and learn what the cleanup changes and what it leaves alone. - [How to turn audio into a video with a waveform](https://toolsugar.com/blog/how-to-turn-audio-into-a-video): Turn an MP3 or voice note into an MP4 with an animated waveform for social posts, in landscape, vertical or square, with optional captions. - [How to convert text to speech and save an MP3](https://toolsugar.com/blog/how-to-convert-text-to-speech): Turn typed or pasted text into spoken audio, choose a voice and language, and download an MP3. See which languages have a voice. - [How to turn text into a video with captions](https://toolsugar.com/blog/how-to-turn-text-into-a-video): Paste a script, pick a voice, and export an MP4 with a spoken track and timed captions over a dark or custom background picture. - [How to make a reel with AI from a topic](https://toolsugar.com/blog/how-to-make-a-reel-with-ai): Type a topic, get a short script written for you, then export a vertical captioned reel as an MP4. Nothing is uploaded. ## Video - [How to turn images into a video with a zoom or pan](https://toolsugar.com/blog/how-to-turn-images-into-a-video): Turn a photo into an MP4 with a slow zoom or pan, add your own sound, and pick a size. This is a camera move, not AI animation. - [How to compress a video without losing quality](https://toolsugar.com/blog/how-to-compress-a-video): Learn how to compress a video in your browser, which setting saves the most space, and why some clips grow after you compress them. - [How to trim a video without re-encoding](https://toolsugar.com/blog/how-to-trim-a-video): Cut a clip out of a longer video in your browser, and learn when to pick Fast mode for speed or Accurate mode for an exact start. - [How to make a GIF from a video](https://toolsugar.com/blog/how-to-make-a-gif-from-a-video): Turn a video clip into a looping GIF in your browser, pick a width and frame rate, and keep the file small enough to share. - [How to convert a video to MP4](https://toolsugar.com/blog/how-to-convert-a-video-to-mp4): Convert MOV, WebM, MKV or AVI to MP4 in your browser, and see why some files finish in seconds while others take minutes. - [How to compress a video to a specific size](https://toolsugar.com/blog/how-to-compress-a-video-to-a-specific-size): Fit a video under a limit such as 10 MB or 25 MB. See how the target is turned into a bitrate and what to do when it cannot be met. - [How to remove audio from a video](https://toolsugar.com/blog/how-to-remove-audio-from-a-video): Mute a video for good by deleting its sound track in your browser, with no re-encoding and no change to the picture or format. - [How to rotate a video](https://toolsugar.com/blog/how-to-rotate-a-video): Fix a sideways or upside down video by turning it 90, 180 or 270 degrees, or mirror it, and save a new MP4 from your browser. - [How to record your screen in the browser](https://toolsugar.com/blog/how-to-record-your-screen): Record your screen, a window or a browser tab with your voice, then preview and download the video. No extension or app needed. - [How to test your webcam online](https://toolsugar.com/blog/how-to-test-your-webcam): Check that your camera works, see its real resolution and frame rate, switch cameras and take a snapshot, all in a browser tab. ## Audio - [How to convert audio files to MP3, M4A or WAV](https://toolsugar.com/blog/how-to-convert-audio-files): Convert audio files to MP3, M4A or WAV in your browser, pick a bitrate, and see which input formats the converter accepts. - [How to extract audio from a video](https://toolsugar.com/blog/how-to-extract-audio-from-a-video): Pull the sound out of a video as MP3, M4A or WAV, or copy the original track without re-encoding, all inside your browser. - [How to cut an audio file to the part you need](https://toolsugar.com/blog/how-to-cut-an-audio-file): Trim a song or recording by typing start and end times, add a fade, and save the clip as MP3, M4A or an iPhone M4R ringtone. - [How to increase video volume in your browser](https://toolsugar.com/blog/how-to-increase-video-volume): Make a quiet video or audio file louder with a fixed boost or an even loudness target, and read the measured levels afterward. - [How to record your voice on a computer](https://toolsugar.com/blog/how-to-record-your-voice-online): Record a voice memo in your browser with a level meter and pause button, play it back, and save it as WebM, MP4 or MP3. - [How to test your microphone online](https://toolsugar.com/blog/how-to-test-your-microphone): Check that your mic works, read the level verdict, switch microphones and record a 5 second clip to hear yourself back. ## Photos - [How to convert HEIC to JPG on any computer](https://toolsugar.com/blog/how-to-convert-heic-to-jpg): Turn iPhone HEIC photos into JPG or PNG in your browser, and see what changes: file size, metadata, Live Photos and batches. - [How to convert image formats: JPG, PNG, WebP](https://toolsugar.com/blog/how-to-convert-image-formats): Change an image between JPG, PNG and WebP in your browser, and learn which format suits photos, logos and web pages. - [How to remove the background from an image](https://toolsugar.com/blog/how-to-remove-the-background-from-an-image): Cut the background out of a photo and save a transparent PNG with an AI model that runs in your browser. Includes tips for better edges. - [How to compress an image without losing quality](https://toolsugar.com/blog/how-to-compress-an-image): Shrink a JPG, PNG or WebP file with three strength levels, see the percent saved, and find out why some images do not get smaller. - [How to resize an image by pixels, percent or KB](https://toolsugar.com/blog/how-to-resize-an-image): Resize one image to exact pixels, a percentage or a file size in KB, and learn how the proportion lock and shape options work. - [How to make a passport photo at home](https://toolsugar.com/blog/how-to-make-a-passport-photo): Crop a photo to common passport and ID sizes, add a white background, and set a file size limit. Check your country's rules before you submit. - [How to crop an image to a size or aspect ratio](https://toolsugar.com/blog/how-to-crop-an-image): Crop a photo freely or lock it to 1:1, 4:3, 16:9 or 9:16, and type exact pixel values, all in your browser without an upload. - [How to rotate or flip a photo online](https://toolsugar.com/blog/how-to-rotate-an-image): Turn a photo by 90, 180 or 270 degrees and mirror it in your browser, and see why some pictures open sideways in other apps. - [How to convert SVG to PNG at any size](https://toolsugar.com/blog/how-to-convert-svg-to-png): Turn an SVG into a sharp PNG at 512 to 4096 pixels wide, choose a transparent or white background, and fix common font problems. - [How to convert a PNG to SVG and trace a logo](https://toolsugar.com/blog/how-to-convert-png-to-svg): Trace a PNG or JPG logo into a vector SVG in your browser, pick 2 to 32 colors, and learn why photos trace badly. - [How to make a photo collage from several pictures](https://toolsugar.com/blog/how-to-make-a-photo-collage): Combine photos into one grid image with 2 across to 3 by 3 layouts, custom spacing and background, and save a PNG, JPG or WebP. - [How to get a color from an image](https://toolsugar.com/blog/how-to-get-a-color-from-an-image): Click any pixel of a photo to read its HEX and RGB values, build a color list, and learn why readings differ from what you see. - [How to make a meme with top and bottom text](https://toolsugar.com/blog/how-to-make-a-meme): Add white outlined captions above and below any picture, adjust the text size, and save a meme at the full size of your image. - [How to upscale an image with AI](https://toolsugar.com/blog/how-to-upscale-an-image): Enlarge a small photo to twice its width and height with an AI model that runs in your browser, and learn what to expect from it. - [How to download a YouTube thumbnail](https://toolsugar.com/blog/how-to-download-a-youtube-thumbnail): Paste a YouTube link to get the video's thumbnail in every size, up to 1280 by 720, and learn why some sizes are missing. ## PDF - [How to merge PDF files into one](https://toolsugar.com/blog/how-to-merge-pdf-files): Combine several PDFs into a single file in the right page order, and find out what to do with locked files and very large batches. - [How to split a PDF into separate files](https://toolsugar.com/blog/how-to-split-a-pdf): Split a PDF by page range, pull out only the pages you need, or save every page on its own. Includes the page syntax and common mistakes. - [How to compress a PDF to a smaller size](https://toolsugar.com/blog/how-to-compress-a-pdf): Shrink a PDF for email or an upload form, learn what the three strengths do, and why the text may stop being selectable afterwards. - [How to rotate pages in a PDF](https://toolsugar.com/blog/how-to-rotate-a-pdf): Turn one page or a whole PDF by 90, 180 or 270 degrees and save the change in the file, so it opens the right way up everywhere. - [How to convert images to a PDF](https://toolsugar.com/blog/how-to-convert-images-to-pdf): Put JPG, PNG and WebP pictures into one PDF, one per page, and choose between the image's own size or an A4 or Letter page. - [How to convert a PDF to JPG or PNG](https://toolsugar.com/blog/how-to-convert-a-pdf-to-images): Save PDF pages as JPG or PNG images, pick a resolution from 72 to 300 dpi, and convert only the pages you need. - [How to extract text from a PDF](https://toolsugar.com/blog/how-to-extract-text-from-a-pdf): Copy the words out of a PDF as plain text, pick which pages to read, and learn why a scanned file comes back with no text at all. - [How to convert a PDF to Word](https://toolsugar.com/blog/how-to-convert-pdf-to-word): Turn the text of a PDF into an editable .docx file, see what carries over and what does not, and fix the usual problems afterwards. - [How to convert a Word document to PDF](https://toolsugar.com/blog/how-to-convert-word-to-pdf): Turn a .docx file into a PDF in your browser, and find out which parts of a document carry over and which are rebuilt. ## Text and writing - [How to count words in a text](https://toolsugar.com/blog/how-to-count-words-in-a-text): Count words, characters, sentences and reading time in any text, and see why counts differ between apps and across languages. - [How to change text case online](https://toolsugar.com/blog/how-to-change-text-case): Switch text between upper case, lower case, title case, sentence case, camelCase, snake_case and kebab-case, and fix a block typed in capitals. - [How to make fancy text fonts you can paste](https://toolsugar.com/blog/how-to-make-fancy-text-fonts): Turn plain text into bold, script, fraktur and other Unicode styles, and learn why they can break in some apps and screen readers. - [How to copy and paste emojis](https://toolsugar.com/blog/how-to-copy-and-paste-emojis): Search emoji by name, copy one with a click and paste it anywhere, plus why the same emoji looks different on each device. - [How to create a signature online](https://toolsugar.com/blog/how-to-create-a-signature-online): Type or draw a signature and save it as a transparent PNG, and learn what an image can and cannot do as a signature. - [What is lorem ipsum and how to use it](https://toolsugar.com/blog/what-is-lorem-ipsum): Lorem ipsum is placeholder text for layouts. See where it comes from, why designers use it and how to generate an exact word count. - [How to find hashtags for a post](https://toolsugar.com/blog/how-to-find-hashtags-for-a-post): Describe your post, pick a platform and get 5 to 30 hashtag ideas, plus how to choose which ones to keep and what happens to your text. - [How to write Instagram captions](https://toolsugar.com/blog/how-to-write-instagram-captions): Describe your photo, choose a tone and get up to 10 caption ideas to edit, with tips on length, the first line and facts to check. - [How to write an Instagram bio](https://toolsugar.com/blog/how-to-write-an-instagram-bio): Write an Instagram bio that fits the 150 character limit. Get up to 10 ideas, with a character count on each one. - [How to write YouTube titles](https://toolsugar.com/blog/how-to-write-youtube-titles): Describe your video and get up to 10 title ideas with a length check against YouTube's 100 character limit, plus tips on wording. ## Developer - [How to make a QR code from a link or text](https://toolsugar.com/blog/how-to-make-a-qr-code): Make a QR code from a link or any text, pick the right error correction level, and save it as a PNG or SVG that scans reliably. - [How to decode a JWT and read its claims](https://toolsugar.com/blog/how-to-decode-a-jwt): Decode a JSON Web Token to read its header, payload and expiry date, and learn what the decoder can and cannot tell you about the signature. - [How to encode and decode Base64 online](https://toolsugar.com/blog/how-to-encode-and-decode-base64): Encode text or a file to Base64, decode it back, and choose the URL-safe alphabet when the result goes into a link or a token. - [How to URL encode and decode a string](https://toolsugar.com/blog/how-to-url-encode-a-string): Percent-encode text for a URL, decode a long link back to readable form, and pick between encodeURIComponent and encodeURI without breaking the address. - [How to compare two texts and find the differences](https://toolsugar.com/blog/how-to-compare-two-text-files): Compare two versions of a text or file, see every added and removed line, and choose between line and word comparison for the cleanest result. - [How to generate UUIDs in bulk (v4 and v7)](https://toolsugar.com/blog/how-to-generate-a-uuid): Generate random v4 or time-ordered v7 UUIDs in bulk, up to 1000 at a time, and learn which version fits a database key or a test fixture. - [How to generate a strong random password](https://toolsugar.com/blog/how-to-make-a-strong-password): Generate a random password of the length you choose, pick the character sets, and read the entropy estimate to judge how strong it is. - [How to convert HEX to RGB and HSL colors](https://toolsugar.com/blog/how-to-pick-a-color-code): Convert a color between HEX, RGB and HSL, check its WCAG contrast against white and black, and build a quick scale of tints and shades. - [How to write a cron expression for any schedule](https://toolsugar.com/blog/how-to-write-a-cron-expression): Build a 5-field cron expression, read it in plain English, and check the next five run times before you put the job on a server. - [How to make a favicon from an image](https://toolsugar.com/blog/how-to-make-a-favicon): Make a favicon.ico and the PNG icon sizes a modern site needs from one image, and get the HTML tags to paste into your page head. - [How to count tokens in a prompt before sending it](https://toolsugar.com/blog/how-to-count-tokens-for-ai-models): Count the tokens in your prompt with the cl100k_base or o200k_base encoding, and see how that figure maps to a context window or API cost. - [How to test your keyboard and find dead keys](https://toolsugar.com/blog/how-to-test-a-keyboard): Test every key on your keyboard online, see the key and code values your browser reports, and learn why some keys never show up. - [How to find your public IP address](https://toolsugar.com/blog/how-to-find-your-ip-address): Find your public IP address and approximate country in one step, and learn why it differs from your computer's local address. - [How to format JSON online](https://toolsugar.com/blog/how-to-format-json): Format, minify and validate JSON in your browser, pick an indent, and find the line and column of the first syntax error. - [How to format SQL queries](https://toolsugar.com/blog/how-to-format-sql): Turn a one line SQL query into readable, indented code. Choose a dialect and keyword case, and fix common formatting errors. - [How to convert CSV to JSON](https://toolsugar.com/blog/how-to-convert-csv-to-json): Convert CSV to a JSON array of objects, handle quoted commas and semicolon files, and understand why every value stays text. - [How to convert JSON to CSV](https://toolsugar.com/blog/how-to-convert-json-to-csv): Turn a JSON array of objects into CSV for a spreadsheet, and see what happens to missing keys and nested values. - [How to convert JSON to YAML](https://toolsugar.com/blog/how-to-convert-json-to-yaml): Convert JSON to YAML for configs and CI files. See how quoting, indentation and comments work, and how to fix errors in the source JSON. - [How to convert YAML to JSON](https://toolsugar.com/blog/how-to-convert-yaml-to-json): Convert YAML to JSON, see how anchors, types and multiple documents are treated, and fix indentation errors by line and column. - [How to convert XML to JSON](https://toolsugar.com/blog/how-to-convert-xml-to-json): Convert XML to JSON and learn how attributes, repeated elements and text are mapped, so your code reads the result correctly. - [How to convert Markdown to HTML](https://toolsugar.com/blog/how-to-convert-markdown-to-html): Convert Markdown to clean HTML with a live preview, tables and code blocks, and learn what the sanitizer removes from raw HTML. - [How to convert HTML to Markdown](https://toolsugar.com/blog/how-to-convert-html-to-markdown): Convert HTML to readable Markdown for notes, docs and static sites, and see which tags map cleanly and which are dropped. ## Study - [How to turn a lecture into notes](https://toolsugar.com/blog/how-to-turn-a-lecture-into-notes): Turn a recorded class into a summary, notes, a quiz and flashcards. Learn what is uploaded, how long a lecture can be and how to check the output. - [How to listen to a PDF](https://toolsugar.com/blog/how-to-listen-to-a-pdf): Turn a PDF, a chapter or photos of your notes into an MP3 you can listen to. See page ranges, length limits and what stays on your device.