Format-aware rehearsal · 20 × 15 = 5:00

Ignite Talk Slide Timer

Practice the fixed five-minute cadence with a slide counter that advances every 15 seconds. This independent tool times your rehearsal; it does not control the actual presentation deck.

slide 1 of 20

15 seconds until automatic advance

0:15

Ready at slide 1

0:00 elapsed5:00 overall remaining

Keyboard: Space start/pause · N/→ next · P/← previous · R restart slide · D restart deck · F fullscreen

Practice from a specific slide

Selecting a number resets the rehearsal at that exact boundary.

Start slide: 1

Verified format

Twenty Slides, Fifteen Seconds Each, Exactly Five Minutes

Ignite Talks describes a fixed framework: 20 slides, 15 seconds per slide, and five minutes on stage. Its current About page says the slides auto-advance, and its community guidelines state that the 20×15 format is the basis of an Ignite talk rather than an adjustable suggestion. SpeechTimer reproduces that cadence for independent practice. Your organizer decides the approved file, playback system, handoff, and stage procedure.

An Optional 20-Slide Story Map

Ignite defines the timing, not one mandatory narrative structure. The map below is an editing scaffold for rehearsal. Replace it when your story needs a different shape, but keep each slide focused enough to survive its fixed 15-second window.

Slides 1–4

0:00–1:00

Open

Create curiosity, name the central question, and earn attention without a long biography.

Slides 5–8

1:00–2:00

Context

Show the situation or problem through specific images and only the facts the audience needs.

Slides 9–12

2:00–3:00

Turn

Reveal the insight, surprise, decision, or connection that changes how the audience sees the subject.

Slides 13–16

3:00–4:00

Meaning

Develop the consequence through examples instead of adding a second unrelated talk.

Slides 17–20

4:00–5:00

Land

Resolve the opening question, make the final idea concrete, and protect a clean last line.

Writing budget

One Complete Beat per Slide

At 120–150 spoken words per minute, a 15-second slide holds roughly 30–38 words and the full talk roughly 600–750. That is a planning range, not a quota. A pause, laugh, proper name, or technical term changes the pace. Draft one sentence-level purpose for each slide, speak it aloud against the counter, and cut whatever repeatedly spills into the next image.

The image and spoken idea should cooperate. If the audience must read a paragraph while listening to another paragraph, 15 seconds becomes a comprehension test rather than a story.

Recovery

Follow the Visible Slide, Not the Lost Sentence

Automatic advancement will occasionally move before a sentence feels finished. Rehearse a recovery rule: stop chasing the old image, find the main beat of the current image, and use a short bridge such as “that led to…” or “the result was…”. The audience does not know the abandoned sentence; explaining the mistake makes it larger.

Use the numbered selector to repeat the slide before and after a difficult transition. Then run the full deck so the repaired section works under accumulated pace, not only in isolation.

A Three-Pass Rehearsal

1

Diagnose the full run

Run all 20 slides without stopping. Note only the slide numbers where the spoken idea and automatic transition separate.

2

Repair short sections

Start one slide before each problem. Shorten the crowded beat, strengthen the bridge, and repeat until the next image feels expected.

3

Simulate the handoff

Use the actual deck and presentation computer when possible. Start once, do not touch the controls, and finish on slide 20.

Before the Event File Leaves Your Hands

  • Confirm that the organizer expects the classic Ignite 20×15 format.
  • Configure the actual presentation file or event playback system to advance every 15 seconds.
  • Test fonts, media, aspect ratio, and transitions on the computer that will run the event.
  • Remove manual builds that require a click inside a fixed 15-second slide.
  • Keep any audio or video segment inside the time available to its slide or approved slide sequence.
  • Agree on the start signal and whether the organizer, speaker, or technician launches the deck.

Ignite Timer Questions

What is the official Ignite talk format?

Ignite Talks defines the format as exactly five minutes: 20 slides displayed for 15 seconds each. The slides auto-advance, so the speaker cannot extend one slide and borrow time from another. An event organizer’s delivery and file instructions still take priority.

Does this timer advance my PowerPoint, Keynote, or Google Slides deck?

No. It advances the on-screen rehearsal counter from slide 1 through slide 20. Configure automatic 15-second transitions in the actual presentation system separately, then start both at the same moment. This separation prevents a browser utility from claiming control it does not have.

Can I practice from slide 7 instead of restarting the whole talk?

Yes. Choose any slide from the numbered selector. The timer resets to that slide’s exact 15-second boundary and preserves the remaining full-deck time. The Share link can reopen the same starting slide without including presentation content.

What should I do if I fall behind an auto-advancing slide?

Do not stop to recover every missed sentence. Move to the idea that belongs with the image currently visible. Write each slide as one complete beat, and rehearse short bridge phrases that let you reconnect without explaining the timing mistake to the audience.

How many words fit in 15 seconds?

At a planning pace of 120–150 spoken words per minute, 15 seconds is roughly 30–38 words and the full five minutes is roughly 600–750 words. Pauses and audience response use time, so treat this as an editing estimate and rehearse against automatic transitions.

Can I change the slide count or interval?

Not on this format-specific page. Ignite’s fixed constraint is the reason the tool uses 20 slides and 15 seconds. If an assignment merely resembles Ignite but changes those values, follow the assignment and use a general presentation timer instead of labeling it an Ignite run.

Is this timer affiliated with Ignite Talks?

No. SpeechTimer is an independent rehearsal utility. Ignite and Ignite Talks identify the presentation format and organization described by the linked official sources. The tool does not use an Ignite logo, accept talk files, or collect slide text.

Sources and independence

Format claims were verified August 23, 2026 against the official Ignite Talks About page and community event guidelines. SpeechTimer is independent and not endorsed by or affiliated with Ignite Talks. Optional story maps, word estimates, and rehearsal advice are SpeechTimer guidance rather than Ignite rules.