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How to actually get the file you need
Guides to compressing, converting and editing images, documents, video and audio — written around the tools on this site. Every tool they reference runs in your browser, so your files are processed on your own device and never uploaded.
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How to Compress a GIF — Hit 256 KB, 512 KB or Any Size Limit
Make an animated GIF smaller without wrecking it: the four things that decide GIF size, the order to change them in, and Discord and email limits.
October 14, 2026 · 6 min read
How to Convert M4A to MP3 — and Whether You Should
Convert M4A to MP3 for car stereos, old players and upload forms. What M4A is, the bitrate to pick, keeping tags and cover art, and when not to.
October 14, 2026 · 5 min read
AudioHow to Increase the Volume of an MP3 Without Distortion
Make an MP3 louder without clipping. How much gain a file can take, what decibels mean, why boosted MP3s crackle, and when to normalize instead.
October 14, 2026 · 6 min read
Compression, formats, resizing and photo cleanup.
How to Compress a GIF — Hit 256 KB, 512 KB or Any Size Limit
Make an animated GIF smaller without wrecking it: the four things that decide GIF size, the order to change them in, and Discord and email limits.
October 14, 2026 · 6 min read
ImagesWhat Is an AVIF File, and How to Convert AVIF to JPG or PNG
What an AVIF file is, why websites send you AVIF images, which apps open them, and how to convert AVIF to JPG or PNG and keep transparency.
October 14, 2026 · 5 min read
ImagesHow to Flip or Mirror an Image — and Fix Backwards Selfies for Good
Flip an image horizontally or vertically in seconds. Why selfies come out backwards, flipping vs rotating, and when mirroring a photo is a mistake.
October 14, 2026 · 6 min read
ImagesHow to Colorize Black and White Photos — and What the Colours Really Are
Colorize old black and white photos at full resolution with no watermark. How AI colorization works, which colours are guesses, and scanning tips.
October 14, 2026 · 6 min read
ImagesHow to Crop an Image Into a Circle With a Transparent Background
Crop any picture into a circle with clear corners: square it first, centre the face, round it and save as PNG or WebP, not JPG. Plus borders and profile sizes.
September 15, 2026 · 5 min read
ImagesHow to Resize a Signature for Online Forms: Clean Scan, Exact Pixels, Right KB
Resize a signature to the exact pixels and 10–20KB range online forms ask for. How to sign, scan, clean and size it for SSC, IBPS, UPSC and other portals.
September 15, 2026 · 6 min read
ImagesHow to Convert WebP to JPG (or PNG) — and Why Your Images Keep Saving as WebP
Convert WebP to JPG or PNG in seconds. Why sites hand you WebP files, which format keeps transparency or animation, and the quality setting that works.
September 15, 2026 · 6 min read
ImagesHow to Make a GIF from Photos: Order, Timing, Size and Loops
Turn a set of photos into an animated GIF: put the frames in order, set how long each holds, match their shapes and keep the file small. Live Photos too.
September 15, 2026 · 6 min read
ImagesHex, RGB, HSL and CMYK: Colour Codes Explained Properly
Four ways of writing the same colour, and the one that makes building a palette easy. How to read a hex code by eye, why CMYK cannot match your screen, and what contrast actually requires.
August 22, 2026 · 7 min read
Images300 DPI for Printing: What It Means and How to Actually Get It
DPI is not stored in your image the way people think. What actually determines print sharpness, how to work out the size a photo can print at, and when a converter genuinely helps.
August 21, 2026 · 7 min read
ImagesFavicon Sizes in 2026: What You Actually Need (and What to Skip)
The favicon size lists online are twenty files long. Four cover essentially everything. Which files to generate, the HTML to paste, and how to design one that reads at 16px.
August 11, 2026 · 5 min read
ImagesSepia, Duotone and Colour Tinting: How to Tone a Black and White Photo
Toning gives a monochrome photo a colour cast — sepia, cyanotype, brand duotone. What each tone signals, how to pick one, and why it is not colourisation.
August 11, 2026 · 5 min read
ImagesHow to Sharpen a Blurry Photo — and Which Blur Cannot Be Fixed
Sharpening adds edge contrast; it does not recover detail that was never recorded. Which of the four kinds of blur you have decides whether anything can be done.
August 11, 2026 · 5 min read
ImagesFile Size, Dimensions, Resolution and DPI: What Each One Actually Controls
Four words people use interchangeably that mean four different things. Which one a form is asking for, and which lever to pull when you need a smaller file.
August 11, 2026 · 5 min read
ImagesHow to Resize Hundreds of Images at Once Without Ruining Any of Them
Resizing a folder of mixed portrait and landscape photos to one size is where batch jobs go wrong. Here is how to set it up so every image survives.
August 11, 2026 · 5 min read
ImagesJPG to PNG: When It Helps, When It Is Pointless, and How to Convert
Converting JPG to PNG does not restore quality that was already lost. Here is what the conversion genuinely buys you, when it is a waste, and how to do it.
August 11, 2026 · 5 min read
ImagesHow to Crop an Image to an Exact Aspect Ratio (16:9, 1:1, 4:5)
Aspect ratio is a shape, not a size. Here is how to crop to an exact ratio, which ratio each platform wants, and how to avoid cropping through your subject.
August 11, 2026 · 5 min read
ImagesHow to Watermark Photos and Videos So It Actually Protects Something
A watermark in the corner takes four seconds to crop off. Here is how to place one that survives, and an honest account of what watermarking can and cannot do.
August 11, 2026 · 5 min read
ImagesHow to Enlarge an Image Without It Turning to Mush
Enlarging a photo means inventing pixels that were never captured. What AI upscaling can genuinely recover, what it cannot, and when to fix the source instead.
August 11, 2026 · 5 min read
ImagesHow to Extract Text from an Image or Scanned PDF (OCR That Actually Works)
OCR accuracy is decided before you run it. Here is how resolution, contrast and straightness change the result, and how to get clean text out of a photographed page.
August 11, 2026 · 5 min read
ImagesPassing Online Form Upload Limits: A Guide to Resizing Images in KB
Government portals, exam boards and bank forms all set different KB limits. Here is how to hit any of them on the first attempt instead of the eighth.
August 11, 2026 · 5 min read
ImagesPassport and Visa Photo Sizes: The Rules That Actually Get You Rejected
Passport photo dimensions for the US, UK, India, Schengen and more, plus the head-height rule that causes most rejections and how to make a compliant photo at home.
August 11, 2026 · 5 min read
ImagesWhy iPhone Photos Are HEIC, and How to Convert Them to JPG
What HEIC is, why Windows and half the web refuse to open it, how to convert to JPG without losing quality, and how to stop your iPhone making it at all.
August 11, 2026 · 5 min read
ImagesHow to Remove the Background from an Image for Free (Without Uploading It)
Background removal that runs on your own device, why hair and glass are the hard cases, and how to fix the edges when the automatic cutout is not quite right.
August 11, 2026 · 5 min read
ImagesPNG vs JPG vs WebP vs AVIF: Which Image Format Should You Actually Use?
A practical comparison of PNG, JPG, WebP and AVIF — what each format is genuinely good at, what it costs you, and how to pick one in under ten seconds.
August 11, 2026 · 5 min read
ImagesHow to Compress an Image to 20KB Without Making It Blurry
A 20KB upload limit does not have to mean a blurry photo. Here is the order of operations that gets any JPG or PNG under 20KB while keeping it readable.
August 11, 2026 · 5 min read
Merging, splitting, converting and redacting documents.
How to Compress a PDF to 100KB for an Upload Portal — and What to Do When It Won't Fit
Get a PDF under 100KB, 200KB, 500KB or 1MB for a government, exam or job portal: what makes PDFs big, the right order of steps, and what to do when a scan won't fit.
September 15, 2026 · 7 min read
PDFTurning Photos Into One PDF People Can Actually Read
Page size, orientation, order and file size all get decided when you convert, usually badly. How to produce a PDF of scanned documents that prints correctly and stays under an upload limit.
August 30, 2026 · 7 min read
PDFHow to Rotate and Rearrange PDF Pages So the Fix Actually Sticks
A page that looks upright in one reader and sideways in another was rotated by a flag, not by rotating the pixels. Here is how to make the fix permanent.
August 11, 2026 · 5 min read
PDFAdding Page Numbers to a PDF, Including Bates Numbering
Where to place numbers, how to handle front matter that should not be numbered, and what Bates numbering is for in legal and discovery work.
August 11, 2026 · 5 min read
PDFHow to Fill In and Sign a PDF Form Without Printing It
Interactive forms and flat forms need different approaches. How to tell them apart, how to add a signature that is accepted, and why printing and scanning is the worst option.
August 11, 2026 · 5 min read
PDFHow to Edit Text in a PDF (and Why It Is Harder Than It Looks)
A PDF stores glyphs at coordinates, not sentences — which is why editing text reflows badly. What you can change, what breaks, and when to fix the source instead.
August 11, 2026 · 5 min read
PDFHow to Split a PDF: Extract Pages, Ranges or Every Page Separately
Splitting, extracting and deleting pages are three different operations. Which one you want, how to get the page numbers right, and what does not survive the split.
August 11, 2026 · 5 min read
PDFHow to Convert a PDF to JPG or PNG (and Which One to Pick)
Turning PDF pages into images sounds simple until the text comes out fuzzy. DPI is the setting that decides it — how to choose it, and when to use PNG instead.
August 11, 2026 · 5 min read
PDFHow to Merge PDF Files (and Get the Page Order Right the First Time)
Combining PDFs is easy. Combining them so the page order, orientation, bookmarks and file size all survive is the part that needs a method.
August 11, 2026 · 5 min read
PDFHow to Compress a PDF Without Wrecking the Text
Why PDFs get huge, which part of the file is actually costing you megabytes, and how to shrink one for email or an upload form without turning the text to mush.
August 11, 2026 · 5 min read
Shrinking, converting and editing footage in the browser.
How to Extract a Frame From a Video as a Full-Quality Image
Save a frame from a video as a sharp JPG or PNG at full resolution. Why screenshots look worse, and how to step to the exact frame you want.
October 14, 2026 · 6 min read
VideoHow to Make a Video From Photos With Music — Timing, Motion and Shape
Turn photos into a slideshow video with music. How long each photo should show, which transition to use, pan and zoom, and the right shape.
October 14, 2026 · 7 min read
VideoHow to Add Music to a Video — Replace the Sound or Mix It Under Speech
Add music to a video without re-encoding the picture. Replace the sound or mix under speech, loop or fade the track, and set levels that work.
October 14, 2026 · 8 min read
VideoHow to Rotate a Video, and Why It Plays Sideways in One App but Not Another
Rotate a video 90°, 180° or 270° without losing quality, fix a clip that is sideways in only one app, and turn landscape into portrait the right way.
September 15, 2026 · 6 min read
VideoHow to Remove Audio from a Video Without Touching the Picture
Remove the sound from a video without re-encoding the picture: strip the track, silence one section, or swap in new music. Free, no watermark, on your device.
September 15, 2026 · 7 min read
VideoGIF to MP4: Why the Same Animation Is Many Times Smaller as a Video
Why GIFs are huge, why the same animation as an MP4 is usually several times smaller, and how to convert GIF to MP4 for X, Instagram or your own site.
September 15, 2026 · 5 min read
VideoHow to Convert MOV to MP4 Without Losing Quality (iPhone, Mac or Windows)
Why iPhones record MOV, when MOV to MP4 is a lossless re-wrap and when it has to re-encode, and how to keep quality and file size under control.
September 15, 2026 · 6 min read
VideoDiscord File Size Limit: How to Get Any Video Under It Without Nitro
Discord's free upload limit is 20MB at the time of writing. Here is the bitrate arithmetic, and the order of cuts, that gets any clip under it cleanly.
September 15, 2026 · 6 min read
VideoSpeed Up or Slow Down a Video Without It Looking Broken
Frame rate is what decides whether slow motion looks cinematic or stuttery. What your footage can actually support, what happens to the audio, and the speeds that work for each platform.
August 20, 2026 · 7 min read
VideoHow to Merge Videos Into One File Without Wrecking Them
Joining clips fails for a handful of predictable reasons: mismatched resolution, frame rate, orientation or audio. Here is how to spot each one before you export, and how to fix it.
August 19, 2026 · 8 min read
VideoMP4, MOV or WebM: Which Video Format to Use and When to Convert
A container is not a codec, and that one confusion explains most video compatibility failures. What MP4, MOV and WebM actually hold, which one each destination wants, and when converting costs nothing.
August 18, 2026 · 8 min read
VideoTurning Landscape Video Into Vertical for Reels, Shorts and TikTok
Going from 16:9 to 9:16 throws away two-thirds of your width. Which part to keep, where the interface covers your frame, and the specs each platform wants.
August 11, 2026 · 5 min read
VideoHow to Extract the Audio from a Video (Without Re-encoding It Twice)
Pulling audio out of a video can be a lossless copy or a re-encode. Which you get depends on the format you ask for, and it decides the quality you end up with.
August 11, 2026 · 5 min read
VideoHow to Stabilise Shaky Video (and What Stabilisation Costs You)
Stabilisation works by cropping in and moving the frame to cancel your hand movement. What that costs, which shake it fixes, and which it makes worse.
August 11, 2026 · 5 min read
VideoHow to Trim a Video Without Re-encoding It (and Why Cuts Land Where They Do)
Why your cut jumped to a slightly different point, the difference between keyframe-accurate and frame-accurate trimming, and how to cut without losing quality.
August 11, 2026 · 5 min read
VideoHow to Turn a Video Into a GIF That Is Not 40MB
GIF is a 1987 format with a 256-colour limit and no compression to speak of. Here is how to work within it — and when to use an animated WebP instead.
August 11, 2026 · 5 min read
VideoHow to Make a Video File Smaller for WhatsApp, Email and Uploads
The three levers that actually control video file size, what each one costs you visually, and how to hit a 16MB or 25MB limit without ending up with a smear.
August 11, 2026 · 5 min read
Trimming, converting and cleaning up sound.
How to Convert M4A to MP3 — and Whether You Should
Convert M4A to MP3 for car stereos, old players and upload forms. What M4A is, the bitrate to pick, keeping tags and cover art, and when not to.
October 14, 2026 · 5 min read
AudioHow to Increase the Volume of an MP3 Without Distortion
Make an MP3 louder without clipping. How much gain a file can take, what decibels mean, why boosted MP3s crackle, and when to normalize instead.
October 14, 2026 · 6 min read
AudioText to Speech Online: Natural-Sounding Audio You Can Actually Download
Turn text into natural-sounding speech and download it as MP3 or WAV. How to pick a voice, write text that reads well aloud, and where synthetic voices fall short.
September 15, 2026 · 6 min read
AudioHow to Cut an MP3 File Precisely — Without Clicks or Losing Quality
Trim an MP3 to the exact moment with no click at either end and no needless re-encode. How to pick cut points, add fades, split one file and join the pieces.
September 15, 2026 · 7 min read
AudioAudio Loudness: LUFS, True Peak and Why Your Track Gets Turned Down
Every streaming platform plays everything at the same loudness, so a crushed master gains nothing and loses its dynamics. The targets that matter in 2026 and how to hit them.
August 26, 2026 · 7 min read
AudioRemoving Background Noise Without Destroying the Voice
Noise reduction is a trade, not a repair. Which noises can be removed cleanly, which cannot, how to hear the artefacts you are introducing, and the order that keeps a voice sounding human.
August 25, 2026 · 7 min read
AudioTurning Audio and Video Into Text You Can Actually Use
Recording quality decides transcript quality more than the model does. How to prepare a file, what accuracy to expect, and why interviews and meetings should not be uploaded to a stranger's server.
August 24, 2026 · 7 min read
AudioHow to Make a Ringtone for iPhone or Android From Any Song
Apple caps ringtones at 40 seconds and wants an AAC file renamed to .m4r. Android just wants an MP3 in the right folder. Here is the whole process for both.
August 11, 2026 · 6 min read
AudioMP3, WAV, FLAC, AAC and OGG: Which Audio Format to Use for What
Six formats, three categories, one decision. What each is genuinely for, which conversions are safe, and the one mistake that quietly ruins audio quality.
August 11, 2026 · 5 min read
AudioHow to Remove Vocals from a Song (and Why It Is Never Perfect)
Vocal removal works by exploiting how songs are mixed in stereo. Understanding that explains both why it works at all and why some tracks refuse to cooperate.
August 11, 2026 · 5 min read
Word, Excel, PowerPoint and data-file workflows.
Excel to PDF on One Page: Stop Columns Spilling onto Extra Pages
Why Excel sheets split across pages when converted to PDF, and how to fit every column on one page with print areas, orientation, scaling and repeated headers.
September 15, 2026 · 7 min read
DocumentsGmail Attachment Size Limit: 25MB, and Why a 20MB File Can Still Fail
Gmail, Outlook.com and Yahoo cap messages at 25MB, but encoding makes files larger in transit. What really fits, what happens above it, and how to shrink each file.
September 15, 2026 · 6 min read
DocumentsMaking QR Codes That Actually Scan
Most unscannable QR codes fail for one of five measurable reasons: too small for the distance, no quiet zone, low contrast, too much data, or a logo over the wrong part.
August 29, 2026 · 7 min read
DocumentsWhy CSV Files Open Wrong in Excel — and How to Stop It
Leading zeros vanish, dates flip month and day, accents turn to nonsense and everything lands in one column. Each failure has a cause and a fix that takes seconds.
August 28, 2026 · 8 min read
DocumentsWhy Your PowerPoint Is 200 MB, and How to Fix It
A PPTX is a zip archive, and almost all of its weight is images nobody cropped. What is actually inside the file, which savings are free, and how to get under an attachment limit.
August 27, 2026 · 7 min read
DocumentsJSON, CSV or XML: Choosing a Data Format You Will Not Regret
Three formats, three different jobs. What each can and cannot express, the conversions that lose information, and how to pick without repenting later.
August 11, 2026 · 5 min read
DocumentsWord to PDF: Why Layouts Shift, and How to Stop Them
A DOCX describes a document; the fonts and page settings on the machine opening it decide how it looks. That is why layouts move, and why PDF fixes it.
August 11, 2026 · 6 min read
DocumentsConverting Excel to CSV and JSON Without Corrupting Your Data
Leading zeros vanish, dates change format, long numbers become scientific notation. Here is why spreadsheet exports break data and how to stop it happening.
August 11, 2026 · 5 min read
Metadata, redaction and keeping files off other people's servers.
Blurring Faces and Number Plates Before You Post
Blur is reversible if you do it wrong, and most people do it wrong. Which methods actually destroy the information, what else in the frame identifies someone, and how to check before publishing.
August 23, 2026 · 6 min read
PrivacyWhat Your Photos Reveal: EXIF Metadata and How to Remove It
Every photo you take records where you were, when, and on what device. Here is what is actually in there, who sees it, and how to strip it before publishing.
August 11, 2026 · 5 min read
PrivacyHow to Redact a PDF So the Text Is Actually Gone
Drawing a black box over text does not remove it — the words are still selectable underneath. Here is what real redaction does and how to verify yours worked.
August 11, 2026 · 5 min read
Start with the tools
The guides explain the tools, not replace them. Each hub collects a whole category in one place.
Social media
More in Social media →Platform sizes, thumbnails and post graphics.
How to Make a Meme: Text, Fonts and Layouts That Read in a Second
Make a meme from any photo: white Impact with a black outline, caption bars, the right size for each platform, and mistakes that bury the joke.
October 14, 2026 · 6 min read
Social mediaHow to Make a Photo Collage That Fits Instagram, Stories and Print
Make a photo collage sized for an Instagram post, a story or print: the right layout and shape, matched colour, well-cropped frames and a sharp export.
September 15, 2026 · 6 min read
Social mediaCharacter Limits That Actually Matter in 2026
The stated limit is rarely the useful number. Where each platform truncates in the feed, why emoji count as more than one character, and the SEO fields measured in pixels rather than letters.
September 2, 2026 · 7 min read
Social mediaLink Previews: The OG Image Size That Works Everywhere
One image at 1200 × 630 covers every platform that builds a link card. The safe zone for text, the file size ceilings, and why your preview shows the old picture.
September 1, 2026 · 7 min read
Social mediaYouTube Thumbnail Size and the Design Rules That Beat It
1280 × 720, under 2MB, 16:9. That takes ten seconds. The rest of this is about why most thumbnails fail at the size they are actually seen.
August 11, 2026 · 5 min read
Social mediaSocial Media Image Sizes That Actually Matter in 2026
Current image and video dimensions for Instagram, TikTok, YouTube, LinkedIn, Facebook and X — plus the three rules that make a graphic work everywhere at once.
August 11, 2026 · 5 min read