Advertisement

A single sticker is fun; a sticker pack is a personality. Pack-based stickers are the ones that become part of how friends talk to each other. The good news: the design work is identical across platforms, and the publishing steps are easier than most people think. Here is the whole process.

Design once, export smart

All three major platforms want square images with transparent or simple backgrounds, and they all prefer crisp edges over photographic detail. Design a themed set — a mood, an event, a shared joke — with a consistent style, shape and palette. Six to twelve stickers make a solid pack; more is better only if quality holds.

With StickerForge, the fastest workflow is: generate each sticker with the same style and shape, keep the same palette family across the set, and export every design at 512px. Save each one as a PNG with a clear name (cat-happy.png, cat-sleepy.png) — good names save you real time later.

WhatsApp stickers

WhatsApp uses 512×512 pixel PNG images. Stickers in WhatsApp must have a transparent background to display correctly in chat, so when you export from the generator, choose a transparent style (shape: None) or accept the colored shape as part of the design — many popular packs use full-bleed colored shapes, which is perfectly fine.

To build and install a pack:

  1. Export each sticker as a 512×512 PNG.
  2. Use a free pack-builder app (WhatsApp-compatible "sticker maker" apps are available on Android and iOS) to bundle your PNGs into a pack with a name and author.
  3. Add the pack to WhatsApp from inside the app; the pack then appears in your sticker tray for chats.
  4. To share the pack with others, use the app's share link or export the pack file.

Telegram stickers

Telegram accepts 512×512 PNG stickers with transparent backgrounds (WebP with transparency also works). Telegram's big advantage is that you can publish a pack without any app store approval:

  1. Open Telegram and message @Stickers (the official bot).
  2. Send /newpack and follow the prompts: give your pack a name.
  3. Upload each sticker as a 512×512 PNG, then add an emoji that each sticker should be suggested with.
  4. Send /publish to finish. You get a share link immediately, and the pack is searchable on Telegram.

Telegram packs also support a static cover and a preview; the bot walks you through setting them.

iMessage stickers

Apple's iMessage uses sticker packs built into apps or extensions. The route for most people is an iOS sticker-pack app: several free apps let you import a folder of PNGs and generate a working sticker pack that appears in the iMessage app drawer. The App Store route (submitting a full sticker-pack extension via Xcode) is for developers; the sticker-pack apps exist precisely so normal creators can skip that step.

Apple renders stickers at high resolution; exporting at 512px is safe, and 1024px gives you headroom for the larger sizes Apple supports.

Keep backgrounds consistent

Mixing transparent and colored shapes inside one pack looks messy. Decide on one background approach for the whole set. Transparent backgrounds look modern and die-cut; colored shapes look bolder and pop on light chat walls. Both work — consistency is what matters.

Beyond the big three

The same 512×512 PNGs work almost everywhere else: Discord (custom emoji-like stickers), Signal, Line, Viber and many regional apps. Some platforms accept WebP or animated formats, but a clean PNG set is the universal starting point. If a platform asks for a different size, export again at that size rather than upscaling — resizing a 512px file up to 1024px only makes it soft.

A 15-minute workflow

  1. Pick a theme and a palette (3 minutes).
  2. Generate 6–12 stickers with a consistent style and shape (5 minutes).
  3. Export each at 512px with clear names (3 minutes).
  4. Bundle in a pack-builder app or Telegram's bot (4 minutes).
  5. Test-send a sticker in a real chat before sharing the pack widely.

Pack etiquette worth knowing

The best packs earn a place in chat because they say something the group actually says. "Coffee o'clock", "Nap time", "Team meeting" — packs built around real phrases and real moments get used every day. Watch your own chats for the phrases people repeat; those are your pack ideas, handed to you for free.

Platform specifics that save you a re-do

Each platform has quirks that are cheap to respect up front. Telegram packs hold a generous number of stickers per set, so a full 9-pack of variations fits comfortably — but Telegram renders best when stickers share one visual language, so keep the same style and outline across the whole set. WhatsApp lets you build packs directly in the app, and its preview sizes the sticker to about 512px, so exporting at exactly 512 keeps edges crisp on every phone. iMessage requires a dedicated sticker-pack app (many free pack builders exist), and Apple recommends transparent-background stickers at 618×618 or 408×408 with a matching name and icon — design your pack icon before you start, not after. Whatever the platform, keep one folder per pack with files named in order (01-cat-hi.png, 02-cat-bye.png) so the builder keeps your intended sequence.

Emoji tagging: the detail that decides whether packs get used

Publishing platforms ask you to attach emojis to each sticker, and most makers treat it as a chore — it is actually the feature that makes packs discoverable and reusable. When you tag a "coffee cat" sticker with ☕ and 😺, the chat app suggests it every time someone types those characters, which is how your pack keeps working months after installation. Tagging rules that hold up in practice: one to three emojis per sticker, matching the subject or the phrase rather than the background color; pick the most-searched emoji for the concept (☕ for coffee, not 🥤); and for word stickers like "LOL", tag the emotion it expresses (😂) rather than the letters. Telegram makes tagging explicit during publishing and lets you refine it later; WhatsApp's pack builders use the emoji mapping to drive suggestions; iMessage packs surface by sticker browsing, where the emoji matters less than a readable tray icon. Ten minutes of thoughtful tagging is the highest-return step in the entire publishing flow.

Versioning a pack after you publish it

Published packs are not frozen, but each platform updates differently, so plan for it. Telegram is the friendliest: message @Stickers with /addsticker and your pack name, upload the new 512 PNGs with emoji tags, and the set updates in place — followers get the additions automatically. WhatsApp packs built through a builder app are versioned by the app itself; most builders let you add stickers to an existing pack, and re-sharing the updated pack link refreshes it for everyone who adds it again. iMessage packs are bundled apps, so updates ride the App Store review cycle — batch your changes and release on a schedule instead of one-off fixes. Whatever the platform, keep your source folder versioned from day one: a folder per pack with numbered files (01-cat-hi.png) plus a v2 copy when you revise, so you can always answer "which version did we publish?" Never delete a published pack to replace it — publishing a second edition and announcing it in your channels preserves both the link equity and the friends who already installed the original.

First impressions in a sticker tray come from two assets makers routinely leave to the last minute: the pack name and the tray icon. A name like "sticker pack 1" is invisible; "Coffee Cats — morning moods" tells a friend exactly what they are installing and makes the pack findable when they search their own tray weeks later. The tray icon (the single representative sticker platforms show for the whole set) should be your boldest design at its most readable — the emoji-tagged workhorse, not the cleverest image. Choose it at 512 and check it at thumbnail size before publishing, because trays render it smaller than any individual sticker. Ten minutes spent on naming and icon choice measurably raises the odds a pack gets installed, opened a second time, and recommended — the three events that turn a published pack into a used one.

Sources & further reading

Advertisement